Does Phenytoin Interact with Dextroamphetamine Saccharate Amphetamine Aspartate Monohydra?
CDI records a moderate classification for Phenytoin and Dextroamphetamine Saccharate Amphetamine Aspartate Monohydra. The stored summary is: Amphetamines may reduce the effects of this drug. Monitor for reduced efficacy. The mechanism involves amphetamines reduce drug effects. Patients taking both medications should consult their healthcare provider before starting, stopping, or changing the dosage of either drug. This record was extracted from drug labeling through openFDA. NIH/NLM RxNorm is used for drug identities. The summary and severity classification are CDI's processed information, not a verbatim source quotation. Product, route, and patient circumstances matter.
- Severity
- Moderate
- Phenytoin Class
- Anti-epileptic Agent
- Management
- Monitor for effects
- Data Source
- U.S. FDA via OpenFDA
Recorded Mechanism
Amphetamines reduce drug effects
What To Tell Your Doctor or Pharmacist
If you are taking Phenytoin and your doctor is considering prescribing Dextroamphetamine Saccharate Amphetamine Aspartate Monohydra (or vice versa), make sure to:
- Inform your doctor and pharmacist of all current medications, including over-the-counter drugs and supplements
- Ask whether the benefits of combining these medications outweigh the risks for your specific situation
- Ask what symptoms to watch for that would indicate the interaction is causing problems
- Ask whether any dosage adjustments are needed
- Never stop or change either medication without first consulting your healthcare provider