For some people, losartan can cause an allergic reaction. This side effect wasn’t reported in losartan’s clinical trials, but there he been rare reports of allergic reactions to the drug since it became ailable as a prescription.
In general, symptoms of allergic reaction can be mild or serious.
Ways to manage
For mild allergic reaction symptoms, such as a mild rash, call your doctor right away. They may recommend treatments to help manage your symptoms. They’ll also let you know whether you should keep taking the medication.
For severe allergic reaction symptoms, such as swelling or trouble breathing, call 911 or your local emergency number right away. These symptoms require immediate medical care because they can become life threatening. If you’ve had a serious allergic reaction to losartan, your doctor may recommend taking a different medication instead.