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Drug Interactions between Flumezide and prazosin

This report displays the potential drug interactions for the following 2 drugs:

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Interactions between your drugs

Moderate

prazosin bendroflumethiazide

Applies to: prazosin and Flumezide (bendroflumethiazide / rauwolfia serpentina)

Before taking bendroflumethiazide, tell your doctor if you also use prazosin. You may need dose adjustments or special tests in order to safely take both medications together. The blood pressure lowering effects of this combination may be additive. You should take prazosin at bedtime and to notify your doctor if have dizziness or feel faint. 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

bendroflumethiazide rauwolfia serpentina

Applies to: Flumezide (bendroflumethiazide / rauwolfia serpentina) and Flumezide (bendroflumethiazide / rauwolfia serpentina)

Before taking bendroflumethiazide, tell your doctor if you also use rauwolfia serpentina. You may need dose adjustments or special tests in order to safely take both medications together. The blood pressure lowering effects of this combination may be additive. You should take rauwolfia serpentina at bedtime and to notify your doctor if have dizziness or feel faint. 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

Moderate

prazosin food

Applies to: prazosin

Ask your doctor before using prazosin together with ethanol. Using prazosin with ethanol can lower your blood pressure. This can cause dizziness or feeling like you might pass out, especially when getting up from a sitting or lying position. This may be more likely to occur when you first start taking either of these medications. You may need a dose adjustment or need your blood pressure checked more often if you take both medications. You may develop flushing, warmth or redness under your skin or tingly feeling after alcohol intake (especially in you are of Asian descent) and should be advised to avoid alcohol or limit your intake. 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

bendroflumethiazide food

Applies to: Flumezide (bendroflumethiazide / rauwolfia serpentina)

Bendroflumethiazide and ethanol 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

rauwolfia serpentina food

Applies to: Flumezide (bendroflumethiazide / rauwolfia serpentina)

Rauwolfia serpentina and ethanol 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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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

Peripherally acting antihypertensives

Therapeutic duplication

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

  • Flumezide (bendroflumethiazide/rauwolfia serpentina)
  • prazosin

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.


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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.