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What should I discuss with my healthcare provider before taking losartan (Cozaar)?
You should not use losartan if you are allergic to it.
If you have diabetes or kidney disease, you may not be able to take losartan if you are also taking a blood pressure medication that contains aliskiren (Amturnide, Tekturna, Tekamlo, or Valturna).
To make sure losartan is safe for you, tell your doctor if you have:
FDA pregnancy category D. Do not use if you are pregnant. Stop using 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. Use effective birth control.
It is not known whether losartan passes into breast milk or if it could harm a nursing baby. You should not breast-feed while using this medicine.
How should I take losartan (Cozaar)?
Follow all directions on your prescription label. Your doctor may occasionally change your dose to make sure you get the best results. Do not take this medicine in larger or smaller amounts or for longer than recommended.
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.
If you are being treated for high blood pressure, keep using this medication even if you feel well. High blood pressure often has no symptoms. You may need to use blood pressure medication for the rest of your life.
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.
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