salicylic acid drug pathway salicylic acid pharmacodynamics pathway 2016-01-27T10:19:29Z PW:0002458 SMP:00709 The pathway of salicylic acid-target interaction and of the biochemical or physiological responses to drug. Salicylic acid is used in the treatment of pain and inflammation and to reduce fever. Salts and esters of salicylic acid are known as salicylates. Genetic variations can cause differences in the response of the organism to the drug. pathway vpetri