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Drug overview for BENZTROPINE MESYLATE (benztropine mesylate):
Generic name: BENZTROPINE MESYLATE (BENZ-troe-peen)
Drug class: Antiparkinsonian Anticholinergic Agents
Therapeutic class: Central Nervous System Agents
Benztropine mesylate is an antimuscarinic antiparkinsonian agent.
No enhanced Uses information available for this drug.
Generic name: BENZTROPINE MESYLATE (BENZ-troe-peen)
Drug class: Antiparkinsonian Anticholinergic Agents
Therapeutic class: Central Nervous System Agents
Benztropine mesylate is an antimuscarinic antiparkinsonian agent.
No enhanced Uses information available for this drug.
DRUG IMAGES
BENZTROPINE 2 MG/2 ML VIAL
The following indications for BENZTROPINE MESYLATE (benztropine mesylate) have been approved by the FDA:
Indications:
Arteriosclerotic parkinsonism
Drug-induced extrapyramidal reaction
Idiopathic parkinsonism
Parkinsonism
Postencephalitic parkinsonism
Professional Synonyms:
Drug-induced extrapyramidal symptom
Paralysis agitans
Parkinsonian syndrome
Primary Parkinson's disease
Trembling palsy
Indications:
Arteriosclerotic parkinsonism
Drug-induced extrapyramidal reaction
Idiopathic parkinsonism
Parkinsonism
Postencephalitic parkinsonism
Professional Synonyms:
Drug-induced extrapyramidal symptom
Paralysis agitans
Parkinsonian syndrome
Primary Parkinson's disease
Trembling palsy
The following dosing information is available for BENZTROPINE MESYLATE (benztropine mesylate):
No enhanced Dosing information available for this drug.
Benztropine mesylate is administered orally or by IM injection. Parenteral administration should be reserved for patients who cannot take oral medication or for emergency situations, such as acute dystonic reactions, when rapid response is desired. Although benztropine may also be administered IV, the manufacturer states that there is no clinically important difference in onset between IM or IV injection; therefore, IV administration of the drug is rarely necessary.
| DRUG LABEL | DOSING TYPE | DOSING INSTRUCTIONS |
|---|---|---|
| BENZTROPINE 2 MG/2 ML VIAL | Maintenance | Adults inject 1 milliliter (1 mg) by intravenous route 2 times per day |
| DRUG LABEL | DOSING TYPE | DOSING INSTRUCTIONS |
|---|---|---|
| BENZTROPINE 2 MG/2 ML VIAL | Maintenance | Adults inject 1 milliliter (1 mg) by intravenous route 2 times per day |
The following drug interaction information is available for BENZTROPINE MESYLATE (benztropine mesylate):
There are 1 contraindications.
These drug combinations generally should not be dispensed or administered to the same patient. A manufacturer label warning that indicates the contraindication warrants inclusion of a drug combination in this category, regardless of clinical evidence or lack of clinical evidence to support the contraindication.
| Drug Interaction | Drug Names |
|---|---|
| Pramlintide/Anticholinergics; Antispasmodics SEVERITY LEVEL: 1-Contraindicated Drug Combination: This drug combination is contraindicated and generally should not be dispensed or administered to the same patient. MECHANISM OF ACTION: Pramlintide slows gastric emptying. Anticholinergics and antispasmodics may result in additive or synergistic effects on gastric emptying. CLINICAL EFFECTS: Concurrent use of pramlintide and anticholinergics or antispasmodics may result in additive or synergistic effects on gastric emptying. PREDISPOSING FACTORS: None determined. PATIENT MANAGEMENT: The manufacturer of pramlintide states that pramlintide therapy should not be considered in patients requiring the use of drugs that alter gastrointestinal motility.(1) Patients receiving anticholinergics and antispasmodics should be evaluated for signs of systemic effects which may include constipation. DISCUSSION: Patients using drugs that alter gastrointestinal motility have not been studied in clinical trials for pramlintide.(1) Constipation has been reported as a side effect of anticholinergics and antispasmodics. |
SYMLINPEN 120, SYMLINPEN 60 |
There are 7 severe interactions.
These drug interactions can produce serious consequences in most patients. Actions required for severe interactions include, but are not limited to, discontinuing one or both agents, adjusting dosage, altering administration scheduling, and providing additional patient monitoring. Review the full interaction monograph for more information.
| Drug Interaction | Drug Names |
|---|---|
| Solid Oral Potassium Tablets/Anticholinergics SEVERITY LEVEL: 2-Severe Interaction: Action is required to reduce the risk of severe adverse interaction. MECHANISM OF ACTION: Concentrated potassium may damage the lining of the GI tract. Anticholinergics delay gastric emptying, resulting in the potassium product remaining in the gastrointestinal tract for a longer period of time.(1-16) CLINICAL EFFECTS: Use of solid oral dosage forms of potassium in patients treated with anticholinergics may result in gastrointestinal erosions, ulcers, stenosis and bleeding.(1-16) PREDISPOSING FACTORS: Diseases or conditions which may increase risk for GI damage include: preexisting dysphagia, strictures, cardiomegaly, diabetic gastroparesis, elderly status, or insufficient oral intake to allow dilution of potassium.(1-10,21) Other drugs which may add to risk for GI damage include: nonsteroidal anti-inflammatory drugs (NSAIDs), bisphosphonates, or tetracyclines.(21) PATIENT MANAGEMENT: Regulatory agency and manufacturer recommendations regarding this interaction: - In the US, all solid oral dosage forms (including tablets and extended release capsules) of potassium are contraindicated in patients receiving anticholinergics at sufficient dosages to result in systemic effects.(2-8) Patients receiving such anticholinergic therapy should use a liquid form of potassium chloride.(2) - In Canada, solid oral potassium is contraindicated in any patient with a cause for arrest or delay in tablet/capsule passage through the gastrointestinal tract and the manufacturers recommend caution with concurrent anticholinergic medications.(1,9-10) Evaluate each patient for predisposing factors which may increase risk for GI damage. In patients with multiple risk factors for harm, consider use of liquid potassium supplements, if tolerated. For patients receiving concomitant therapy, assure any potassium dose form is taken after meals with a large glass of water or other fluid. To decrease potassium concentration in the GI tract, limit each dose to 20 meq; if more than 20 meq daily is required, give in divided doses.(2) If concurrent therapy is warranted, monitor patients receiving concurrent therapy for signs of blood loss, including decreased hemoglobin, hematocrit, fecal occult blood, and/or decreased blood pressure and promptly evaluate patients with any symptoms. Patients should be instructed to immediately report any difficulty swallowing, abdominal pain, distention, severe vomiting, or gastrointestinal bleeding. Instruct patients to report any signs and symptoms of bleeding, such as unusual bleeding from the gums or nose; unusual bruising; red or black, tarry stools; red, pink or dark brown urine; acute abdominal or joint pain and/or swelling. DISCUSSION: In clinical trials, there was a higher incidence of gastric and duodenal lesions in patients receiving a high dose of a wax-matrix controlled-release formulation with a concurrent anticholinergic agent. Some lesions were asymptomatic and not accompanied by bleeding, as shown by a lack of positive Hemoccult tests.(1-17) Several studies suggest that the incidence of gastric and duodenal lesions may be less with the microencapsulated formulation of potassium chloride.(14-17) |
KLOR-CON 10, KLOR-CON 8, KLOR-CON M10, KLOR-CON M15, KLOR-CON M20, POTASSIUM CHLORIDE, POTASSIUM CITRATE ER, UROCIT-K |
| Solid Oral Potassium Capsules/Anticholinergics SEVERITY LEVEL: 2-Severe Interaction: Action is required to reduce the risk of severe adverse interaction. MECHANISM OF ACTION: Concentrated potassium may damage the lining of the GI tract. Anticholinergics delay gastric emptying, resulting in the potassium product remaining in the gastrointestinal tract for a longer period of time.(1-16)) CLINICAL EFFECTS: Use of solid oral dosage forms of potassium in patients treated with anticholinergics may result in gastrointestinal erosions, ulcers, stenosis and bleeding.(1-16) PREDISPOSING FACTORS: Diseases or conditions which may increase risk for GI damage include: preexisting dysphagia, strictures, cardiomegaly, diabetic gastroparesis, elderly status, or insufficient oral intake to allow dilution of potassium.(1-10,21) Other drugs which may add to risk for GI damage include: nonsteroidal anti-inflammatory drugs (NSAIDs), bisphosphonates, or tetracyclines.(21) PATIENT MANAGEMENT: Regulatory agency and manufacturer recommendations regarding this interaction: - In the US, all solid oral dosage forms (including tablets and extended release capsules) of potassium are contraindicated in patients receiving anticholinergics at sufficient dosages to result in systemic effects.(2-8) Patients receiving such anticholinergic therapy should use a liquid form of potassium chloride.(2) - In Canada, solid oral potassium is contraindicated in any patient with a cause for arrest or delay in tablet/capsule passage through the gastrointestinal tract and the manufacturers recommend caution with concurrent anticholinergic medications.(1,9-10) Evaluate each patient for predisposing factors which may increase risk for GI damage. In patients with multiple risk factors for harm, consider use of liquid potassium supplements, if tolerated. For patients receiving concomitant therapy, assure any potassium dose form is taken after meals with a large glass of water or other fluid. To decrease potassium concentration in the GI tract, limit each dose to 20 meq; if more than 20 meq daily is required, give in divided doses.(2) If concurrent therapy is warranted, monitor patients receiving concurrent therapy for signs of blood loss, including decreased hemoglobin, hematocrit, fecal occult blood, and/or decreased blood pressure and promptly evaluate patients with any symptoms. Patients should be instructed to immediately report any difficulty swallowing, abdominal pain, distention, severe vomiting, or gastrointestinal bleeding. Instruct patients to report any signs and symptoms of bleeding, such as unusual bleeding from the gums or nose; unusual bruising; red or black, tarry stools; red, pink or dark brown urine; acute abdominal or joint pain and/or swelling. DISCUSSION: In clinical trials, there was a higher incidence of gastric and duodenal lesions in patients receiving a high dose of a wax-matrix controlled-release formulation with a concurrent anticholinergic agent. The lesions were asymptomatic and not accompanied by bleeding, as shown by a lack of positive Hemoccult tests.(1-17) Several studies suggest that the incidence of gastric and duodenal lesions may be less with the microencapsulated formulation of potassium chloride.(14-17) |
POTASSIUM CHLORIDE |
| Ioflupane I 123/Dopamine Transporter Binders SEVERITY LEVEL: 2-Severe Interaction: Action is required to reduce the risk of severe adverse interaction. MECHANISM OF ACTION: Ioflupane binds to the dopamine transporter. Agents that also bind to this transporter may affect the results of single photon emission computed tomography (SPECT) brain imaging using ioflupane.(1) CLINICAL EFFECTS: SPECT imaging using ioflupane may not be accurate in patients taking other drugs that bind to the dopamine transporter binders.(1) PREDISPOSING FACTORS: None determined. PATIENT MANAGEMENT: It is unknown if discontinuing other agents that bind to the dopamine transporter prior to a scan with ioflupane will decrease interference with the scan.(1) Make sure the radiologist interpreting the scan knows the patient is taking another agent that binds to the dopamine transporter. Alternative diagnostic tools may need to be considered. DISCUSSION: Ioflupane binds to the dopamine transporter. Agents that also bind to this transporter may affect the results of the scan. These agents include amoxapine, amphetamine, armodafinil, benztropine, bupropion, buspirone, citalopram, cocaine, dexmethylphenidate, escitalopram, fluoxetine, fluvoxamine, mazindol, methamphetamine, methylphenidate, modafinil, norephedrine, paroxetine, phentermine, phenylpropanolamine, selegiline, and sertraline.(1) |
DATSCAN, IOFLUPANE I-123 |
| Secretin/Anticholinergics SEVERITY LEVEL: 2-Severe Interaction: Action is required to reduce the risk of severe adverse interaction. MECHANISM OF ACTION: Anticholinergic drugs may result in an incorrect secretin stimulation test result.(1) CLINICAL EFFECTS: Concurrent use of anticholinergic drugs may impact the accuracy of the secretin stimulation test.(1) PREDISPOSING FACTORS: None determined. PATIENT MANAGEMENT: The US manufacturer of human secretin states concurrent use of anticholinergic drugs at the time of stimulation testing may cause the patient to be hyporesponsive to the testing and suggest false positive results for pancreatic disease. The manufacturer recommends discontinuing anticholinergic drugs at least 5 half-lives prior to stimulation testing. Consider additional testing and clinical assessment for diagnosis.(1) DISCUSSION: Concurrent use of anticholinergic drugs may impact the accuracy of the secretin stimulation test.(1) |
CHIRHOSTIM |
| Clozapine/Anticholinergics SEVERITY LEVEL: 2-Severe Interaction: Action is required to reduce the risk of severe adverse interaction. MECHANISM OF ACTION: Clozapine has potent anticholinergic properties and inhibits serotonin receptors, including 5-HT3.(1-4) Both of these properties may cause inhibition of gastrointestinal (GI) smooth muscle contraction, resulting in decreased peristalsis.(3,4) These effects may be compounded by concurrent use of anticholinergic agents.(1-6) CLINICAL EFFECTS: Concurrent use of clozapine with other anticholinergic agents may increase the risk of constipation (common) and serious bowel complications (uncommon), including complete bowel obstruction, fecal impaction, paralytic ileus and intestinal ischemia or infarction.(1-6) PREDISPOSING FACTORS: The risk for serious bowel complications is higher with increasing age, higher frequency of constipation, and in patients on higher doses of clozapine or multiple anticholinergic agents.(1,5) PATIENT MANAGEMENT: Avoid the use of other anticholinergic agents with clozapine.(1-6) If concurrent use is necessary, evaluate the patient's bowel function regularly. Monitor for symptoms of constipation and GI hypomotility, including having bowel movements less than three times weekly or less than usual, difficulty having a bowel movement or passing gas, nausea, vomiting, and abdominal pain or distention.(2) Consider a prophylactic laxative in those with a history of constipation or bowel obstruction.(2) Review patient medication list for other anticholinergic agents. When possible, decrease the dosage or number of prescribed anticholinergic agents, particularly in the elderly. Counsel the patient about the importance of maintaining adequate hydration. Encourage regular exercise and eating a high-fiber diet.(2) DISCUSSION: In a prospective cohort study of 26,720 schizophrenic patients in the Danish Central Psychiatric Research Registry, the odds ratio (OR) for ileus was 1.99 with clozapine and 1.48 with anticholinergics. The OR for fatal ileus was 6.73 with clozapine and 5.88 with anticholinergics. Use of anticholinergics with 1st generation antipsychotics (FGA) increased the risk of ileus compare to FGA alone, but this analysis was not done with clozapine.(5) A retrospective cohort study of 24,970 schizophrenic patients from the Taiwanese National Health Insurance Research Database found that the hazard ratio (HR) for clozapine-induced constipation increased from 1.64 when clozapine is used alone, to 2.15 when used concomitantly with anticholinergics. However, there was no significant difference in the HR for ileus when clozapine is used with and without anticholinergics (1.95 and 2.02, respectively).(6) In the French Pharmacovigilance Database, 7 of 38 cases of antipsychotic-associated ischemic colitis or intestinal necrosis involved clozapine, and 5 of these cases involved use of concomitant anticholinergic agents. Three patients died, one of whom was on concomitant anticholinergics.(3) In a case series, 4 of 9 cases of fatal clozapine-associated GI dysfunction involved concurrent anticholinergic agents.(4) |
CLOZAPINE, CLOZAPINE ODT, CLOZARIL, VERSACLOZ |
| Eluxadoline/Anticholinergics; Opioids SEVERITY LEVEL: 2-Severe Interaction: Action is required to reduce the risk of severe adverse interaction. MECHANISM OF ACTION: Eluxadoline is a mixed mu-opioid and kappa-opioid agonist and delta-opioid antagonist and may alter or slow down gastrointestinal transit.(1) CLINICAL EFFECTS: Constipation related adverse events that sometimes required hospitalization have been reported, including the development of intestinal obstruction, intestinal perforation, and fecal impaction.(1) PREDISPOSING FACTORS: None determined. PATIENT MANAGEMENT: Avoid use with other drugs that may cause constipation. If concurrent use is necessary, evaluate the patient's bowel function regularly. Monitor for symptoms of constipation and GI hypomotility, including having bowel movements less than three times weekly or less than usual, difficulty having a bowel movement or passing gas, nausea, vomiting, and abdominal pain or distention.(1) Instruct patients to stop eluxadoline and immediately contact their healthcare provider if they experience severe constipation. Loperamide may be used occasionally for acute management of severe diarrhea, but must be discontinued if constipation develops.(1) DISCUSSION: In phase 3 clinical trials, constipation was the most commonly reported adverse reaction (8%). Approximately 50% of constipation events occurred within the first 2 weeks of treatment while the majority occurred within the first 3 months of therapy. Rates of severe constipation were less than 1% in patients receiving eluxadoline doses of 75 mg and 100 mg.(1) |
VIBERZI |
| Glucagon (Diagnostic)/Anticholinergics SEVERITY LEVEL: 2-Severe Interaction: Action is required to reduce the risk of severe adverse interaction. MECHANISM OF ACTION: Glucagon and anticholinergic agents may have additive effects on inhibition of gastrointestinal motility.(1) CLINICAL EFFECTS: Concurrent use of glucagon with anticholinergic agents may increase the risk of gastrointestinal hypomotility, including constipation and bowel complications.(1) PREDISPOSING FACTORS: None determined. PATIENT MANAGEMENT: Concurrent use of glucagon as a diagnotic aid is not recommended with the use of anticholinergic agents.(1) If concurrent use is necessary, evaluate the patient's bowel function. Monitor for symptoms of constipation and gastrointestinal hypomotility. DISCUSSION: Both glucagon and anticholinergic agents may have additive effects on inhibition of gastrointestinal motility and increase the risk of gastrointestinal adverse effects.(1) |
GLUCAGON HCL |
There are 3 moderate interactions.
The clinician should assess the patient’s characteristics and take action as needed. Actions required for moderate interactions include, but are not limited to, discontinuing one or both agents, adjusting dosage, altering administration.
| Drug Interaction | Drug Names |
|---|---|
| Select Antipsychotics;Select Phenothiazines/Anticholinergics SEVERITY LEVEL: 3-Moderate Interaction: Assess the risk to the patient and take action as needed. MECHANISM OF ACTION: Multiple mechanisms may be involved: 1. additive peripheral and CNS blockade of muscarinic receptors. 2. anticholinergic-induced inhibition of gastrointestinal absorption of phenothiazines. 3. antagonism of the dopamine blocking effects of selected antipsychotics and phenothiazines. CLINICAL EFFECTS: The dopamine blocking effects of selected antipsychotic agents or phenothiazines may be decreased while anticholinergic adverse effects may be increased. PREDISPOSING FACTORS: The risk for severe anticholinergic toxicities, e.g. delirium, hyperthermia, paralytic ileus is increased in the elderly and in patients on multiple anticholinergic agents. PATIENT MANAGEMENT: Anticholinergic agents may be required to treat or prevent antipsychotic induced extrapyramidal symptoms. When other indications lead to co-prescribing of the combination, assess patient response to the combination. Review patient medication list for other anticholinergic agents. When needed, decrease the dosage or number of prescribed anticholinergic agents, particularly in the elderly. DISCUSSION: Although numerous studies have been published regarding a possible interaction between phenothiazines and anticholinergics, the earlier reports were not double-blind or placebo controlled and patients may have received other drugs concomitantly. These earlier investigations reported increased side effects as well as increased, decreased and no effect on the therapeutic outcome. Double-blind studies have also reported conflicting results. Anticholinergic therapy varied from having no effect on phenothiazine concentration or patient outcome, to increasing phenothiazine levels. The discrepancies reported may be due to interpatient variability including age of the patient, type and duration of illness and treatment setting. |
ADASUVE, CHLORPROMAZINE HCL, LOXAPINE, PERPHENAZINE, PERPHENAZINE-AMITRIPTYLINE, PHENERGAN, PROMETHAZINE HCL, PROMETHAZINE HCL-0.9% NACL, PROMETHAZINE VC, PROMETHAZINE-CODEINE, PROMETHAZINE-DM, PROMETHAZINE-PHENYLEPHRINE HCL, PROMETHEGAN, THIORIDAZINE HCL, THIORIDAZINE HYDROCHLORIDE, TRIFLUOPERAZINE HCL |
| Zonisamide/Anticholinergics SEVERITY LEVEL: 3-Moderate Interaction: Assess the risk to the patient and take action as needed. MECHANISM OF ACTION: Zonisamide can cause decreased sweating and elevated body temperature. Agents with anticholinergic activity can predispose patients to heat-related disorders.(1-2) CLINICAL EFFECTS: Concurrent use of zonisamide with agents with anticholinergic activity may increase the incidence of oligohidrosis and hyperthermia, especially in pediatric or adolescent patients.(1-2) Overheating and dehydration can lead to brain damage and death. PREDISPOSING FACTORS: Pediatric and adolescent patients and patients with dehydration may be more likely to experience heat-related disorders.(1) PATIENT MANAGEMENT: The UK and US manufacturers of zonisamide state that caution should be used in adults when zonisamide is prescribed with other medicinal products that predispose to heat-related disorders, such as agents with anticholinergic activity.(1-2) Pediatric and adolescent patients must not take anticholinergic agents (e.g. clomipramine, hydroxyzine, diphenhydramine, haloperidol, imipramine, and oxybutynin) concurrently with zonisamide.(1) Monitor for signs and symptoms of heat stroke: skin feels very hot with little or no sweating, confusion, muscle cramps, rapid heartbeat, or rapid breathing. Monitor for signs and symptoms of dehydration: dry mouth, urinating less than usual, dark-colored urine, dry skin, feeling tired, dizziness, or irritability. If signs or symptoms of dehydration, oligohidrosis, or elevated body temperature occur, discontinuation of zonisamide should be considered. DISCUSSION: Case reports of decreased sweating and elevated temperature have been reported, especially in pediatric patients. Some cases resulted in heat stroke that required hospital treatment and resulted in death.(1) |
ZONEGRAN, ZONISADE, ZONISAMIDE |
| Topiramate/Anticholinergics SEVERITY LEVEL: 3-Moderate Interaction: Assess the risk to the patient and take action as needed. MECHANISM OF ACTION: Topiramate can cause decreased sweating and elevated body temperature. Agents with anticholinergic activity can predispose patients to heat-related disorders.(1-2) CLINICAL EFFECTS: Concurrent use of topiramate with agents with anticholinergic activity may increase the incidence of oligohidrosis and hyperthermia, especially in pediatric or adolescent patients.(1-2) Overheating and dehydration can lead to brain damage and death. PREDISPOSING FACTORS: Pediatric and adolescent patients and patients with dehydration may be more likely to experience heat-related disorders.(1) PATIENT MANAGEMENT: The manufacturer of topiramate states that caution should be used when topiramate is prescribed with other medicinal products that predispose to heat-related disorders, such as agents with anticholinergic activity (e.g. clomipramine, hydroxyzine, diphenhydramine, haloperidol, imipramine, and oxybutynin) concurrently with zonisamide.(1) Monitor for signs and symptoms of heat stroke: skin feels very hot with little or no sweating, confusion, muscle cramps, rapid heartbeat, or rapid breathing. Monitor for signs and symptoms of dehydration: dry mouth, urinating less than usual, dark-colored urine, dry skin, feeling tired, dizziness, or irritability. If signs or symptoms of dehydration, oligohidrosis, or elevated body temperature occur, discontinuation of zonisamide should be considered. DISCUSSION: Case reports of decreased sweating and elevated temperature have been reported, especially in pediatric patients. Some cases resulted in heat stroke that required hospital treatment.(1) A 64-year old woman developed non-exertional hyperthemia while taking multiple psychiatric medications with topiramate.(2) |
EPRONTIA, PHENTERMINE-TOPIRAMATE ER, QSYMIA, TOPAMAX, TOPIRAMATE, TOPIRAMATE ER, TOPIRAMATE ER SPRINKLE, TROKENDI XR |
The following contraindication information is available for BENZTROPINE MESYLATE (benztropine mesylate):
Drug contraindication overview.
No enhanced Contraindications information available for this drug.
No enhanced Contraindications information available for this drug.
There are 9 contraindications.
Absolute contraindication.
| Contraindication List |
|---|
| Angle-closure glaucoma |
| Atony of colon |
| Gastrointestinal obstruction |
| Hemorrhagic shock |
| Paralytic ileus |
| Severe ulcerative colitis |
| Thyrotoxicosis |
| Toxic megacolon |
| Urinary tract obstruction |
There are 11 severe contraindications.
Adequate patient monitoring is recommended for safer drug use.
| Severe List |
|---|
| Autonomic neuropathy |
| Benign prostatic hyperplasia |
| Chronic heart failure |
| Clostridioides difficile infection |
| Gastric ulcer |
| Gastroenteritis due to shigella |
| Gastroesophageal reflux disease |
| Hypotension |
| Myasthenia gravis |
| Tardive dyskinesia |
| Ulcerative colitis |
There are 8 moderate contraindications.
Clinically significant contraindication, where the condition can be managed or treated before the drug may be given safely.
| Moderate List |
|---|
| Cardiac arrhythmia |
| Chronic obstructive pulmonary disease |
| Coronary artery disease |
| Disease of liver |
| Dysuria |
| Hypertension |
| Kidney disease with reduction in glomerular filtration rate (GFr) |
| Open angle glaucoma |
The following adverse reaction information is available for BENZTROPINE MESYLATE (benztropine mesylate):
Adverse reaction overview.
No enhanced Common Adverse Effects information available for this drug.
No enhanced Common Adverse Effects information available for this drug.
There are 7 severe adverse reactions.
| More Frequent | Less Frequent |
|---|---|
| None. | None. |
| Rare/Very Rare |
|---|
|
Acute cognitive impairment Anticholinergic toxicity Drug-induced psychosis Glaucoma Ocular hypertension Paralytic ileus Skin rash |
There are 27 less severe adverse reactions.
| More Frequent | Less Frequent |
|---|---|
|
Blurred vision Constipation Decreased sweating Drowsy Dry nose Dry throat Dysuria Nausea Vomiting Xerostomia |
Paresthesia Urinary retention |
| Rare/Very Rare |
|---|
|
Accidental fall Cramps Depression Excitement Fever Hallucinations Headache disorder Memory impairment Mouth irritation Muscle weakness Mydriasis Nervousness Orthostatic hypotension Photophobia Tachycardia |
The following precautions are available for BENZTROPINE MESYLATE (benztropine mesylate):
No enhanced Pediatric Use information available for this drug.
Contraindicated
Severe Precaution
Management or Monitoring Precaution
Contraindicated
| None |
Severe Precaution
| None |
Management or Monitoring Precaution
| None |
Safe use of benztropine during pregnancy has not been established.
No enhanced Lactation information available for this drug.
No enhanced Geriatric Use information available for this drug.
The following prioritized warning is available for BENZTROPINE MESYLATE (benztropine mesylate):
No warning message for this drug.
No warning message for this drug.
The following icd codes are available for BENZTROPINE MESYLATE (benztropine mesylate)'s list of indications:
| Arteriosclerotic parkinsonism | |
| G21.4 | Vascular parkinsonism |
| Drug-induced extrapyramidal reaction | |
| G21.0 | Malignant neuroleptic syndrome |
| G21.11 | Neuroleptic induced parkinsonism |
| G21.19 | Other drug induced secondary parkinsonism |
| G21.2 | Secondary parkinsonism due to other external agents |
| G24.01 | Drug induced subacute dyskinesia |
| G24.02 | Drug induced acute dystonia |
| G24.09 | Other drug induced dystonia |
| G25 | Other extrapyramidal and movement disorders |
| G25.1 | Drug-induced tremor |
| G25.4 | Drug-induced chorea |
| G25.61 | Drug induced tics |
| G25.7 | Other and unspecified drug induced movement disorders |
| G25.70 | Drug induced movement disorder, unspecified |
| G25.71 | Drug induced akathisia |
| G25.79 | Other drug induced movement disorders |
| G25.8 | Other specified extrapyramidal and movement disorders |
| G25.89 | Other specified extrapyramidal and movement disorders |
| G25.9 | Extrapyramidal and movement disorder, unspecified |
| T44.905 | Adverse effect of unspecified drugs primarily affecting the autonomic nervous system |
| T44.905A | Adverse effect of unspecified drugs primarily affecting the autonomic nervous system, initial encounter |
| T44.905D | Adverse effect of unspecified drugs primarily affecting the autonomic nervous system, subsequent encounter |
| T44.905S | Adverse effect of unspecified drugs primarily affecting the autonomic nervous system, sequela |
| T44.995 | Adverse effect of other drug primarily affecting the autonomic nervous system |
| T44.995A | Adverse effect of other drug primarily affecting the autonomic nervous system, initial encounter |
| T44.995D | Adverse effect of other drug primarily affecting the autonomic nervous system, subsequent encounter |
| T44.995S | Adverse effect of other drug primarily affecting the autonomic nervous system, sequela |
| Idiopathic parkinsonism | |
| G20 | Parkinson's disease |
| G20.A | Parkinson's disease without dyskinesia |
| G20.A1 | Parkinson's disease without dyskinesia, without mention of fluctuations |
| G20.A2 | Parkinson's disease without dyskinesia, with fluctuations |
| G20.B | Parkinson's disease with dyskinesia |
| G20.B1 | Parkinson's disease with dyskinesia, without mention of fluctuations |
| G20.B2 | Parkinson's disease with dyskinesia, with fluctuations |
| G20.C | Parkinsonism, unspecified |
| Parkinsonism | |
| G20 | Parkinson's disease |
| G20.A | Parkinson's disease without dyskinesia |
| G20.A1 | Parkinson's disease without dyskinesia, without mention of fluctuations |
| G20.A2 | Parkinson's disease without dyskinesia, with fluctuations |
| G20.B | Parkinson's disease with dyskinesia |
| G20.B1 | Parkinson's disease with dyskinesia, without mention of fluctuations |
| G20.B2 | Parkinson's disease with dyskinesia, with fluctuations |
| G20.C | Parkinsonism, unspecified |
| G21 | Secondary parkinsonism |
| G21.2 | Secondary parkinsonism due to other external agents |
| G21.3 | Postencephalitic parkinsonism |
| G21.4 | Vascular parkinsonism |
| G21.8 | Other secondary parkinsonism |
| G21.9 | Secondary parkinsonism, unspecified |
| Postencephalitic parkinsonism | |
| G21.3 | Postencephalitic parkinsonism |
Formulary Reference Tool