Harvard Health Letter

What you should know about: Aspirin during a heart attack

Taking aspirin during a heart attack can help save your life. Aspirin inhibits the formation of a clot and helps restore blood flow. Chewing one regular-strength adult 325-milligram (mg) aspirin, and swallowing it, should be sufficient. Avoid coated aspirins, as they are absorbed slowly. Chewing an uncoated aspirin and swallowing it quickly will speed the medicine through the bloodstream.  
To continue reading this article, you must login.
  • Research health conditions
  • Check your symptoms
  • Prepare for a doctor's visit or test
  • Find the best treatments and procedures for you
  • Explore options for better nutrition and exercise
Learn more about the many benefits and features of joining Harvard Health Online »