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Dehydration Caused by a Medicine

Many prescription and nonprescription medicines can cause dehydration. A few examples are:

Antihistamines.
Blood pressure medicines.
Chemotherapy.
Diuretics.
Laxatives.

If you think that your dehydration is caused by a medicine:

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Call the doctor who prescribed the medicine to find out if you should stop taking it or take a different one. An appointment may not be necessary.
If you are taking a nonprescription medicine, stop taking it. Call your doctor if you feel you need to continue taking the medicine.

By	Healthwise Staff
Primary Medical Reviewer	William H. Blahd, Jr., MD, FACEP - Emergency Medicine
Specialist Medical Reviewer	H. Michael O'Connor, MD - Emergency Medicine
Last Revised	May 2, 2011

WebMD Medical Reference from Healthwise

Last Updated: May 02, 2011

This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.