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Drug Interactions between Demser and phenoxybenzamine

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 Demser and phenoxybenzamine. However, this does not necessarily mean no interactions exist. Always consult your healthcare provider.

Demser

A total of 254 drugs are known to interact with Demser.

phenoxybenzamine

A total of 207 drugs are known to interact with phenoxybenzamine.

Drug and food interactions

Moderate

phenoxybenzamine food

Applies to: phenoxybenzamine

Phenoxybenzamine and ethanol (alcohol) 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.

Moderate

metyroSINE food

Applies to: Demser (metyrosine)

Using metyroSINE together with ethanol (alcohol) may increase side effects such as dizziness, drowsiness, and difficulty concentrating. You should avoid or limit the use of alcohol while being treated with metyroSINE. Also 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 medications without first talking to your doctor.

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

Sympatholytics

Therapeutic duplication

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

  • Demser (metyrosine)
  • phenoxybenzamine

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

Adrenergic blocking agents

Therapeutic duplication

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

  • Demser (metyrosine)
  • phenoxybenzamine

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.


Report options

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.