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

  • methylprednisolone
  • Theraflu Flu & Sore Throat (acetaminophen/pheniramine/phenylephrine)

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Interactions between your drugs

No interactions were found between methylprednisolone and Theraflu Flu & Sore Throat. This does not necessarily mean no interactions exist. Always consult your healthcare provider.


A total of
509 drugs
are known to interact with

  • Methylprednisolone is in the drug class
  • Methylprednisolone is used to treat the following conditions:

Theraflu Flu & Sore Throat

A total of
471 drugs
are known to interact with
Theraflu Flu & Sore Throat.

Drug and food interactions

Grapefruit juice may increase the blood levels of certain medications such as methylPREDNISolone. You may want to limit your consumption of grapefruit and grapefruit juice during treatment with methylPREDNISolone. However, if you have been regularly consuming grapefruit or grapefruit juice with the medication, then it is advisable for you to talk with your doctor before changing the amounts of these products in your diet, as this may alter the effects of your medication. Contact your doctor if your condition changes or you experience increased side effects. Orange juice is not expected to interact.

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Alcohol can increase the nervous system side effects of pheniramine such as dizziness, drowsiness, and difficulty concentrating. Some people may also experience impairment in thinking and judgment. You should avoid or limit the use of alcohol while being treated with pheniramine. Do not use more than the recommended dose of pheniramine, and avoid activities requiring mental alertness such as driving or operating hazardous machinery until you know how the medication affects you. Talk to your doctor or pharmacist if you have any questions or concerns.

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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.

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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