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Drug Interactions between dextromethorphan / guaifenesin / phenylephrine and Mucinex DM

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

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Interactions between your drugs

No interactions were found between dextromethorphan / guaifenesin / phenylephrine and Mucinex DM. However, this does not necessarily mean no interactions exist. Always consult your healthcare provider.

dextromethorphan / guaifenesin / phenylephrine

A total of 491 drugs are known to interact with dextromethorphan / guaifenesin / phenylephrine.

Mucinex DM

A total of 343 drugs are known to interact with Mucinex DM.

Drug and food interactions

Moderate

dextromethorphan food

Applies to: dextromethorphan / guaifenesin / phenylephrine and Mucinex DM (dextromethorphan / guaifenesin)

Alcohol can increase the nervous system side effects of dextromethorphan 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 dextromethorphan. Do not use more than the recommended dose of dextromethorphan, 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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Moderate

phenylephrine food

Applies to: dextromethorphan / guaifenesin / phenylephrine

Both phenylephrine and caffeine can increase blood pressure and heart rate, and combining them may enhance these effects. Talk to your doctor before using these medications, especially if you have a history of high blood pressure or heart disease. You may need a dose adjustment or more frequent monitoring by your doctor to safely use both medications. Contact your doctor if your condition changes or you experience increased side effects. 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.

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Therapeutic duplication warnings

Therapeutic duplication is the use of more than one medicine from the same drug category or therapeutic class to treat the same condition. This can be intentional in cases where drugs with similar actions are used together for demonstrated therapeutic benefit. It can also be unintentional in cases where a patient has been treated by more than one doctor, or had prescriptions filled at more than one pharmacy, and can have potentially adverse consequences.

Duplication

Expectorants

Therapeutic duplication

The recommended maximum number of medicines in the 'expectorants' category to be taken concurrently is usually one. Your list includes two medicines belonging to the 'expectorants' category:

  • dextromethorphan/guaifenesin/phenylephrine
  • Mucinex DM (dextromethorphan/guaifenesin)

Note: In certain circumstances, the benefits of taking this combination of drugs may outweigh any risks. Always consult your healthcare provider before making changes to your medications or dosage.

Duplication

Nmda antagonists

Therapeutic duplication

The recommended maximum number of medicines in the 'NMDA antagonists' category to be taken concurrently is usually one. Your list includes two medicines belonging to the 'NMDA antagonists' category:

  • dextromethorphan/guaifenesin/phenylephrine
  • Mucinex DM (dextromethorphan/guaifenesin)

Note: In certain circumstances, the benefits of taking this combination of drugs may outweigh any risks. Always consult your healthcare provider before making changes to your medications or dosage.

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.

Medical Disclaimer