Beechams powders 20s contains aspirin which is an analgesic pain killer antipyretic reduces body temperature when you have a fever and caffeine which acts to further the effectiveness of aspirin beechams powders are specially formulated for fast and effective relief from cold and flu symptoms these symptoms include headache fever aches and pains the powders also provide relief from mild to moderate pain including migrane neuralgia toothache sore throat pain period pain and muscular