What are the side effects of allergy tablets?

Dr. Darria Long Gillespie, MD
Emergency Medicine
Side effects may include headache, sneezing, and coughing. It may also include itching of the mouth, lip, tongue, eye, or ear; swelling of the mouth, lip, throat, or tongue; mouth or throat pain; voice problems; skin rash; abdominal pain; and indigestion. Some people may have a severe allergic reaction to the tablets. 

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