Many persons are sensitive to the chemicals in drugs. This reaction is not caused by an overdose but by a particular sensitivity. Children, in particular, may have an unexpected reaction to a medication-an effect quite opposite to what was intended. For instance, if the drug is a sedative, the child may become excited and agitated. Children often do not respond to many preparations which are designed to cure their illness.
The symptoms produced by drug allergy reaction are usually the same as those produced by pollen, house dust, food, inhalants, or other substances. There may be swelling of the mucous membranes of the nose and throat, hives, rashes, headache, mental dullness, wheezing, etc..
Treatment. Treatment involves eliminating these particular medications. Adrenalin and cortisone may also be used.