When the effect of two medications combined is greater than the effects of the medications when given separately, the two medications are said to have a(n):
a. synergistic effect.
b. anaphylactic reaction.
c. medication interaction.
d. idiosyncratic reaction.
A
When two medications have a synergistic effect, the effect of the two medications combined is greater than the effects of the medications when given separately. A medication interaction oc-curs when one medication modifies the action of another medication. Allergic symptoms vary, depending on an individual and the medication; they range from mild to severe. Sudden constric-tion of bronchiolar muscles, edema of the pharynx and larynx, and severe wheezing and short-ness of breath all characterize severe or anaphylactic reactions. Some medications cause unpre-dictable effects, such as idiosyncratic reactions, in which a patient overreacts or underreacts to a medication or has a reaction different from what is expected.
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