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Drug interactions between propranolol and Theraflu Warming Relief Flu & Sore Throat

Results for the following 2 drugs:
propranolol
Theraflu Warming Relief Flu & Sore Throat (acetaminophen/diphenhydramine/phenylephrine)

Interactions between your drugs

Moderate

propranolol diphenhydrAMINE

Applies to: propranolol and Theraflu Warming Relief Flu & Sore Throat (acetaminophen / diphenhydramine / phenylephrine)

Propranolol and diphenhydrAMINE may have additive effects in lowering your blood pressure. You may experience headache, dizziness, lightheadedness, fainting, and/or changes in pulse or heart rate. These side effects are most likely to be seen at the beginning of treatment, following a dose increase, or when treatment is restarted after an interruption. Let your doctor know if you develop these symptoms and they do not go away after a few days or they become troublesome. 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 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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Moderate

propranolol phenylephrine

Applies to: propranolol and Theraflu Warming Relief Flu & Sore Throat (acetaminophen / diphenhydramine / phenylephrine)

Using phenylephrine together with a beta-blocker like propranolol may lead to an increase in blood pressure. Some beta-blockers may enhance the effects of phenylephrine, which can lead to constriction of your blood vessels and an increase in blood pressure. Contact your doctor if your condition changes. You may need a dose adjustment or your blood pressure checked more often if you use both medications. 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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Minor

propranolol acetaminophen

Applies to: propranolol and Theraflu Warming Relief Flu & Sore Throat (acetaminophen / diphenhydramine / phenylephrine)

Consumer information for this minor interaction is not currently available. Some minor drug interactions may not be clinically relevant in all patients. Minor drug interactions do not usually cause harm or require a change in therapy. However, your healthcare provider can determine if adjustments to your medications are needed.

For clinical details see professional interaction data.

Drug and food interactions

Moderate

propranolol food

Applies to: propranolol

Food can enhance the levels of propranolol in your body. You shoud take propranolol at the same time each day, preferably with or immediately following meals. This will make it easier for your body to absorb the medication. Avoid drinking alcohol, which could increase drowsiness and dizziness while you are taking propranolol. Propranolol is only part of a complete program of treatment that also includes diet, exercise, and weight control. Follow your diet, medication, and exercise routines very closely.

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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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