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Drug Interactions between sildenafil and Viagra

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

sildenafil

A total of 369 drugs are known to interact with sildenafil.

Viagra

A total of 369 drugs are known to interact with Viagra.

Drug and food interactions

Moderate

sildenafil food

Applies to: sildenafil and Viagra (sildenafil)

If you are receiving therapy with sildenafil you should avoid the regular consumption of large amounts of grapefruits and grapefruit juice. Grapefruit can raise the levels of sildenafil in your body and delay the time it takes for the medication to work. Do not increase or decrease the amount of grapefruit products in your diet 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

Erectile dysfunction agents

Therapeutic duplication

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

  • sildenafil
  • Viagra (sildenafil)

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

Agents for pulmonary hypertension

Therapeutic duplication

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

  • sildenafil
  • Viagra (sildenafil)

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.

See also

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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.

Medical Disclaimer