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Drug Interactions between Remular-S and Uprima

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

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Interactions between your drugs

Moderate

chlorzoxazone apomorphine

Applies to: Remular-S (chlorzoxazone) and Uprima (apomorphine)

GENERALLY AVOID: Central nervous system (CNS) depressant effects may be additively or synergistically increased in patients using apomorphine in combination with other drugs that can also cause these effects. Apomorphine alone has been frequently associated with somnolence and dizziness. Patients may suddenly fall asleep during activities of daily living.

MANAGEMENT: The use of other sedating drugs should generally be avoided during apomorphine treatment. Patients prescribed these agents concurrently should be monitored for potentially excessive or prolonged CNS depression, especially if they are elderly or debilitated. Ambulatory patients should be made aware of the possibility of additive CNS effects (e.g., drowsiness, dizziness, lightheadedness, confusion) and counseled to avoid activities requiring mental alertness until they know how these agents affect them. If patients experience increased episodes of falling asleep during normal daily activities, they should avoid driving and other potentially hazardous activities until they have contacted their physician.

References

  1. "Product Information. Apokyn (apomorphine)." Mylan Pharmaceuticals Inc (2004):

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Drug and food interactions

Moderate

chlorzoxazone food

Applies to: Remular-S (chlorzoxazone)

GENERALLY AVOID: Alcohol may potentiate some of the pharmacologic effects of CNS-active agents such as chlorzoxazone. Use in combination may result in additive central nervous system depression and/or impairment of judgment, thinking, and psychomotor skills. In addition, in one small study, watercress was reported to increase chlorzoxazone peak concentrations, AUC, and half-life. The proposed mechanism is inhibition of CYP450 2E1 metabolism. The clinical significance is unknown.

MANAGEMENT: Patients receiving chlorzoxazone should be 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 chlorzoxazone affects them, and to notify their physician if they experience excessive or prolonged CNS effects that interfere with their normal activities. Watercress should be avoided if an interaction is suspected; e.g., excess sedation, nausea, or headache occurs.

References

  1. Leclercq I, Desager JP, Horsmans Y "Inhibition of chlorzoxazone metabolism, a clinical probe for CYP2E1, by a single ingestion of watercress." Clin Pharmacol Ther 64 (1998): 144-9

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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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