Interactions between codeine and tamsulosin

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This report provides information on potential drug interactions between the following two drugs:

  • Codeine
  • Tamsulosin

If you are taking these medications, it is important to be aware of the following:

Interactions between your drugs

Tamsulosin and codeine may have additive effects in lowering your blood pressure. This can cause symptoms such as headache, dizziness, lightheadedness, fainting, and changes in pulse or heart rate. These side effects are most likely to occur at the beginning of treatment, following a dose increase, or when treatment is restarted after an interruption. If you experience any of these symptoms and they do not go away after a few days or become troublesome, inform your doctor. Avoid driving or operating hazardous machinery until you know how the medications affect you, and use caution when getting up from a sitting or lying position. It is important to inform your doctor about all other medications you are taking, including vitamins and herbs. Do not stop using any medications without first consulting your doctor.

Drug and food interactions

Food may affect the intestinal absorption of tamsulosin. To ensure steady absorption and blood levels of the drug, take tamsulosin approximately one-half hour following the same meal each day.

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

The following 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: The information provided here is for informational purposes only and is not intended to replace professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified healthcare provider with any questions you may have regarding a medical condition.

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