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Drug interactions between acetaminophen / propoxyphene and promethazine

Results for the following 2 drugs:
acetaminophen/propoxyphene
promethazine

Interactions between your drugs

Major

propoxyphene promethazine

Applies to: acetaminophen / propoxyphene and promethazine

Using promethazine together with propoxyphene can add to the side effects of either medication. This may be more likely to occur in older adults or those with a debilitating condition. Talk with your doctor before using these medications together. Call the doctor if you have side effects such as tiredness, excessive sedation, dizziness, feel faint, seizures, and/or irregular heartbeat. You should avoid activities requiring mental alertness until they know how these medications will affect you. 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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Drug and food interactions

Major

propoxyphene food

Applies to: acetaminophen / propoxyphene

Do not use alcohol or medications that contain alcohol while you are receiving treatment with propoxyphene. This may increase nervous system side effects such as drowsiness, dizziness, lightheadedness, difficulty concentrating, and impairment in thinking and judgment. In severe cases, low blood pressure, respiratory distress, fainting, coma, or even death may occur. Do not use more than the recommended dose of propoxyphene, and avoid activities requiring mental alertness such as driving or operating hazardous machinery until you know how the medication affects you. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medication without first talking to your doctor.

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Therapeutic duplication warnings

No therapeutic duplications were found for your selected drugs.

Drug Interaction Classification

The classifications below are a guideline only. The relevance of a particular drug interaction to a specific patient is difficult to determine using this tool alone given the large number of variables that may apply.
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 information available.

Do not stop taking any medications without consulting your healthcare provider.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

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