81mg is the common dosage for "baby" aspirin
Aspirin is the tradename for acetyl salicylic acid, which is used as an analgesic for minor pain relief, an antipyretic to reduce fever, and a blood anticoagulant.
Aspirin is a drug containing acetylsalicylic acid
A local drug store.
Buffered aspirin has an added buffering agent so that it is easier on the stomach.