IN THIS ARTICLE
What should I discuss with my healthcare provider before taking losartan (Cozaar)?
You should not use this medication if you are allergic to losartan.
If you have any of these other conditions, you may need a dose adjustment or special tests:
FDA pregnancy category D. Do not use losartan if you are pregnant. It could harm the unborn baby. Stop using this medication and tell your doctor right away if you become pregnant. Losartan can cause injury or death to the unborn baby if you take the medicine during your second or third trimester.
It is not known whether losartan passes into breast milk or if it could harm a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.
How should I take losartan (Cozaar)?
Take exactly as prescribed by your doctor. Do not take in larger or smaller amounts or for longer than recommended. Follow the directions on your prescription label.
Your doctor may occasionally change your dose to make sure you get the best results.
You may take losartan with or without food.
Call your doctor if you have ongoing vomiting or diarrhea, or if you are sweating more than usual. You can easily become dehydrated while taking this medication, which can lead to severely low blood pressure or a serious electrolyte imbalance.
Your blood pressure will need to be checked often. Visit your doctor regularly.
It may take 3 to 6 weeks of using this medicine before your blood pressure is under control. For best results, keep using the medication as directed. Talk with your doctor if your symptoms do not improve after 3 weeks of treatment.
Keep using this medication even if you feel fine. High blood pressure often has no symptoms.
Store at room temperature away from moisture, heat, and light.
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
Need help identifying pills and medications?
Get tips on handling your hypertension.