Helps to relieve pain associated with headache, menstrual pain, minor pain of arthritis, muscle pain, pain and fever of colds & toothache. Genuine Bayer Aspirin is the original, most trusted name in aspirin. It provides fast, safe, effective pain relief. Pain reliever/fever reducer. Helps to relieve pain associated with headache, menstrual pain, minor pain of arthritis, muscle pain, pain and fever of colds & toothache. Genuine Bayer Aspirin is the original, most trusted name in aspirin. It provides fast, safe, effective pain relief.