HYZAAR Oral

HYZAAR Oral Interactions

See also How to Use section.

Your healthcare professionals (e.g., doctor or pharmacist) may already be aware of any possible drug interactions and may be monitoring you for it. Do not start, stop or change the dosage of any medicine before checking with them first.

This drug should not be used with the following medication because very serious interactions may occur:

• dofetilide

If you are currently using this medication, tell your doctor or pharmacist before starting losartan/hydrochlorothiazide.

Before using this medication, tell your doctor or pharmacist of all prescription and nonprescription/herbal products you may use, especially of:

• cisapride
• corticosteroids (e.g., prednisone)
• diazoxide
• digoxin
• drugs which can increase dizziness (e.g., phenobarbital, narcotic analgesics)
• drugs which are affected by the acid level in the urine (e.g., amphetamine, methenamine, quinidine)
• fluconazole
• lithium
• probenecid
• rifampin

Check the labels on all your medicines (e.g., cough-and-cold products, diet aids, nonsteroidal anti-inflammatory drugs - NSAIDs such as ibuprofen and naproxen for pain/fever reduction) because they may contain ingredients that could increase your blood pressure. Ask your pharmacist about the safe use of those products. Low-dose aspirin, as prescribed by your doctor for specific medical reasons such as heart attack or stroke prevention (usually at dosages of 81-325 milligrams per day), should be continued. Consult your doctor or pharmacist for more details.

This document does not contain all possible interactions. Therefore, before using this product, tell your doctor or pharmacist of all the products you use. Keep a list of all your medications with you, and share the list with your doctor and pharmacist.