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Daily aspirin therapy: Understand the benefits and risks

What are the possible side effects of daily aspirin therapy?

Side effects and complications of taking daily aspirin include:

  • Stroke caused by a burst blood vessel. While daily aspirin can help prevent a clot-related stroke, it may increase the risk of a bleeding stroke (hemorrhagic stroke).
  • Gastrointestinal bleeding. Daily aspirin use increases the risk of developing a stomach ulcer. If you already have a bleeding ulcer or gastrointestinal bleeding, taking aspirin may cause more bleeding, perhaps to a life-threatening extent.
  • Allergic reaction. If you're allergic to aspirin, taking any amount of aspirin can trigger a serious allergic reaction.

If you're taking aspirin and you need surgery or dental work, be sure to let the surgeon or dentist know so they can take steps to prevent excessive bleeding. Don't stop taking aspirin without talking to your health care provider.