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Drug Interactions between Achromycin V and Vibramycin

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

  • Achromycin V (tetracycline)
  • Vibramycin (doxycycline)

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Interactions between your drugs

No interactions were found between Achromycin V and Vibramycin. This does not necessarily mean no interactions exist. Always consult your healthcare provider.

Achromycin V

A total of 171 drugs are known to interact with Achromycin V.


A total of 184 drugs are known to interact with Vibramycin.

Drug and food interactions


tetracycline food

Applies to: Achromycin V (tetracycline)

Do not take iron supplements, multivitamins, calcium supplements, antacids, or laxatives within 2 hours before or after taking tetracycline. These products can make tetracycline less effective in treating your infection. Do not take tetracycline with milk or other dairy products, unless your doctor has told you to. Dairy products can make it harder for your body to absorb the medication.

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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.


Tetracycline-type antibiotics

Therapeutic duplication

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

  • Achromycin V (tetracycline)
  • Vibramycin (doxycycline)

Note: The benefits of taking this combination of medicines may outweigh any risks associated with therapeutic duplication. This information does not take the place of talking to your doctor. Always check with your healthcare provider to determine if any adjustments to your medications are needed.

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.