However, trueallergicreactions to medications only account for about 5 to 10% of all adverse drug reactions.
People can experience allergic reactions to just about any medication.
A true allergy to penicillin could cause life-threatening anaphylaxis as a result.
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For allergic reactions that involve a rash or hives, your practitioner may prescribe antihistamines and/or topical corticosteroids.
Some of these are available over-the-counter, and others may be given by prescription only.
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