Treating drug allergies usually involves stopping the medication. Also may need medication to relieve symptoms or in the case of a serious reaction, emergency care.
Minor reactions such as rashes or hives can be improved with a counter antihistamine such as diphenhydramine (Benadryl, others). Call your doctor before using over-the-counter medications to make sure you get the treatment you need.
Severe reactions may require treatment with corticosteroids by mouth or by injection in hospital. Seek emergency treatment if you have severe rashes or hives, swelling, shortness of breath, dizziness or other signs or symptoms of a serious reaction.
Anaphylaxis is an emergency requiring an immediate injection of epinephrine and hospital treatment to maintain blood pressure and breathing support.
Desensitization
In some cases, the sensitivity to a drug should be reduced by starting with a small dose and gradually increase over time. It can take from one to 10 days and is usually done under medical supervision of the doctor's office, hospital or clinic of allergy. Generally, this happens only when you are allergic to a drug and a satisfactory alternative to is not available.
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