PHAR 100 Lecture : 24overthecounterdrugs.pdf
13 Nov 2013
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Over-the-counter drugs definition: drugs which can be purchased without a prescription. Usually limited toxicity and self-limiting symptom. drugs include: analgesics, cold preps, vitamins, laxatives, antacids, acne preps, sunscreen. Safety toxicity tests initial use prescription drugs, once familiar w/ effects can then be sold over the counter. Efficacy difficult often product long standing use use controlled clinical trials. Patent and propierty act up to 70s: manufacturer"s did not have to list ingredients. After 77"s: under food and drug act, has to show some demonstrable efficacy. But drugs that already on market before this didn"t have to clinically relevant. Selecting an otc select the simplest formulation, fewest drugs effective dose in the preparation read the label are the ingredients appropriate? use a good generic cheaper! be wary of gimmicks! Bufferin use the proper dosage form liquid for children use the proper dose and duration. Role of the health professional education: watch for, self-medication may not allow diagnosis, drug interactions, toxicity.
