NEW Bayer Rapid Relief provides pain relief at the tip of your tongue. A single Bayer Rapid Relief powdered aspirin pack provides rapid pain relief that gets to work as hard as you do. With active ingredients aspirin and caffeine, Bayer Rapid Relief works at the site of pain to relieve headache pain, muscle pain, back pain, menstrual cramps, minor arthritis pain, and helps to reduce fever. To use, simply shake contents of individual pack, tear at the arrow, pour the powder on your tongue, and follow with water.