Quad sets. 1  Sit with your leg straight and supported on the floor or a firm bed. (If you feel discomfort in the front or back of your knee, place a small towel roll under your knee.) 2  Tighten the muscles on top of your thigh by pressing the back of your knee flat down to the floor.
allergic reaction. allergic reaction in Medicine. allergic reaction n. A local or generalized reaction of an organism to internal or external contact with a specific allergen to which the organism has been previously sensitized. Examples from the Web for allergic reaction.
drug allergy, or an allergic drug reaction, is an unexpected drug. reaction that results from a specific immune system response. to a medication. Past tolerance to a medication is no guarantee that. treatment with that drug will not cause an allergic reaction next time.People who who have allergies have a higher risk of drug reactions. Certain families may have a higher than normal risk of drug reactions.ast tolerance to a medication is no guarantee that. treatment with that drug will not cause an allergic reaction next time. People who who have allergies have a higher risk of drug reactions.