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Drug Interactions between benztropine and Celexa

This report displays the potential drug interactions for the following 2 drugs:

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Interactions between your drugs

Moderate

benztropine citalopram

Applies to: benztropine and Celexa (citalopram)

MONITOR: Delirium has been observed during the coadministration of benztropine and selective serotonin reuptake inhibitors (SSRIs). The mechanism of this potential interaction, if any, has not been determined. There have only been isolated case reports, and concomitant neuroleptic use was common.

MANAGEMENT: Until further data are available, it may be appropriate to monitor patients for evidence of delirium or other unusual psychiatric reactions when benztropine is given with SSRIs, especially if neuroleptic therapy is also administered.

References

  1. Roth A, Akyol S, Nelson JC (1994) "Delirium associated with the combination of a neuroleptic, an SSRI, and benztropine." J Clin Psychiatry, 55, p. 492-5
  2. Byerly MJ, Christensen RC, Evans DL (1996) "Delirium associated with a combination of sertraline, haloperidol, and benztropine." Am J Psychiatry, 153, p. 965-6
  3. Armstrong SC, Schweitzer SM (1997) "Delirium associated with paroxetine and benztropine combination." Am J Psychiatry, 154, p. 581-2

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Drug and food interactions

Moderate

citalopram food

Applies to: Celexa (citalopram)

GENERALLY AVOID: Alcohol may potentiate some of the pharmacologic effects of CNS-active agents. Use in combination may result in additive central nervous system depression and/or impairment of judgment, thinking, and psychomotor skills.

MANAGEMENT: Patients receiving CNS-active agents should be warned of this interaction and advised to avoid or limit consumption of alcohol. Ambulatory patients should be counseled to avoid hazardous activities requiring complete mental alertness and motor coordination until they know how these agents affect them, and to notify their physician if they experience excessive or prolonged CNS effects that interfere with their normal activities.

References

  1. Warrington SJ, Ankier SI, Turner P (1986) "Evaluation of possible interactions between ethanol and trazodone or amitriptyline." Neuropsychobiology, 15, p. 31-7
  2. Gilman AG, eds., Nies AS, Rall TW, Taylor P (1990) "Goodman and Gilman's the Pharmacological Basis of Therapeutics." New York, NY: Pergamon Press Inc.
  3. (2012) "Product Information. Fycompa (perampanel)." Eisai Inc
  4. (2015) "Product Information. Rexulti (brexpiprazole)." Otsuka American Pharmaceuticals Inc
View all 4 references

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Moderate

benztropine food

Applies to: benztropine

GENERALLY AVOID: Use of anticholinergic agents with alcohol may result in sufficient impairment of attention so as to render driving and operating machinery more hazardous. In addition, the potential for abuse may be increased with the combination. The mechanism of interaction is not established but may involve additive depressant effects on the central nervous system. No effect of oral propantheline or atropine on blood alcohol levels was observed in healthy volunteers when administered before ingestion of a standard ethanol load. However, one study found impairment of attention in subjects given atropine 0.5 mg or glycopyrrolate 1 mg in combination with alcohol.

MANAGEMENT: Alcohol should generally be avoided during therapy with anticholinergic agents. Patients should be counseled to avoid activities requiring mental alertness until they know how these agents affect them.

References

  1. Linnoila M (1973) "Drug effects on psychomotor skills related to driving: interaction of atropine, glycopyrrhonium and alcohol." Eur J Clin Pharmacol, 6, p. 107-12

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Therapeutic duplication warnings

No warnings were found for your selected drugs.

Therapeutic duplication warnings are only returned when drugs within the same group exceed the recommended therapeutic duplication maximum.

See also

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Drug Interaction Classification

These classifications are only a guideline. The relevance of a particular drug interaction to a specific individual is difficult to determine. Always consult your healthcare provider before starting or stopping any medication.
Major Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit.
Moderate Moderately clinically significant. Usually avoid combinations; use it only under special circumstances.
Minor Minimally clinically significant. Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan.
Unknown No interaction information available.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

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