This Kirkland Signature Low Dose Aspirin is a mild pain reliever that is also useful in the treatment of fever, arthritis, headache, muscle cramps, back pain, migraine, and tennis elbow. This product can also be taken daily as part of a regimen to prevent a heart attack or stroke. Kirkland Signature Low Dose Aspirin is available in packs of 2x 81mg bottles, each containing 365 Enteric coated tablets.