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Drug Interactions between mefloquine and primidone

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

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Interactions between your drugs

Major

mefloquine primidone

Applies to: mefloquine and primidone

Mefloquine may increase the risk of seizures and reduce the effectiveness of primidone in the treatment of epilepsy. If you are receiving primidone for epilepsy, you may need a dose adjustment or more frequent monitoring by your doctor to safely use both medications. Primidone can also significantly reduce the blood levels of mefloquine, which may make the medication less effective in the prevention and treatment of malaria. Contact your doctor if you experience a loss of seizure control or your condition changes during treatment with these medications. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

Drug and food interactions

Major

primidone food

Applies to: primidone

Ask your doctor before using primidone together with ethanol (alcohol), this can add to dizziness, drowsiness and other side effects of primidone. Be careful if you drive or do activities that require you to be awake and alert. Talk with your doctor before using any medications together, or drinking alcohol with primidone. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

Moderate

mefloquine food

Applies to: mefloquine

Food can enhance the levels of mefloquine in your body. Take mefloquine immediately after a meal. This will make it easier for your body to absorb the medication. Take each dose with a full glass, at least 8 ounces (240 mL) of water. For children or those who have difficulty swallowing, mefloquine can be crushed and mixed with water or sugar water. Talk to your healthcare provider if swallowing the tablets is difficult.

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.

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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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