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Syn-Rx (guaifenesin / pseudoephedrine) Drug Interactions

A total of 290 drugs are known to interact with Syn-Rx (guaifenesin / pseudoephedrine).

  • 21 major drug interactions
  • 257 moderate drug interactions
  • 12 minor drug interactions

Check for interactions

Type in a drug name to check for interactions with Syn-Rx (guaifenesin / pseudoephedrine).

Medications known to interact with Syn-Rx (guaifenesin / pseudoephedrine)

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    Syn-Rx (guaifenesin / pseudoephedrine) disease interactions

    There are 6 disease interactions with Syn-Rx (guaifenesin / pseudoephedrine) which include:

    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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