By Carin Mangimeli | Updated April 2026

Aspirin has been a go-to item in medicine cabinets for years. Most people know it as something you take for pain, headaches, or fever. But for a long time, it was also commonly recommended as a daily step to help prevent heart attacks and strokes. That advice has changed.

Today, experts are taking a more careful approach. Aspirin can still play an important role in certain heart-related situations, especially during a suspected heart attack. But when it comes to taking aspirin every day to prevent a first heart attack or stroke, the guidance is no longer one-size-fits-all.

Why the advice changed

For years, many adults were told that taking a low-dose aspirin each day could help protect their heart. Newer research has shown that the decision is more complicated than that. While aspirin can reduce the risk of blood clots, it can also raise the risk of serious bleeding, including bleeding in the stomach or even the brain.

Because of that, health organizations such as the U.S. Preventive Services Task Force and the American Heart Association now recommend a more individualized approach.

What the current guidance says

For adults ages 40 to 59, daily aspirin may still be worth considering in some cases, especially for people with a higher risk of cardiovascular disease. Even then, the benefit is considered fairly small, so it should only be started after talking with a healthcare provider.

For adults age 60 and older, the recommendation has become more cautious. Experts generally advise against starting a daily aspirin routine for primary prevention in this age group, because the bleeding risk often outweighs the possible heart benefit.

For younger adults, especially men under 45 and women under 55 who do not have a history of cardiovascular disease, daily aspirin is usually not recommended as a preventive measure.

The safety concerns matter

Aspirin helps prevent clots by thinning the blood. That is also what makes it risky for some people. Regular use can increase the chance of gastrointestinal bleeding and hemorrhagic stroke. Over time, higher doses or long-term use may also create other health concerns.

When aspirin is used for prevention, lower doses such as 81 mg baby aspirin are generally preferred over full-strength doses. They can offer similar benefit with less risk. For everyday pain relief, many doctors may recommend other options depending on the person’s health history.

What has not changed: emergency use

One thing is still very important. If someone may be having a heart attack, aspirin can still be a lifesaving tool in an emergency. If 911 is called and emergency dispatchers advise it, chewing a full-strength aspirin may help while waiting for paramedics to arrive.

That does not mean people should self-prescribe daily aspirin. It means aspirin still has an important place in emergency response when used appropriately.

What this means for workplaces and training

These updates matter outside the doctor’s office too. If you manage workplace safety or First Aid supplies, it is important to understand the difference between emergency aspirin use and routine aspirin use. Aspirin may still belong in a properly managed First Aid setting for cardiac emergencies, but it should not be handed out casually as a general pain reliever.

It is also a good idea to stay current with First Aid and CPR training so your team understands the latest recommendations for responding to cardiovascular emergencies.

Disclaimer: Any aspirin dosage or preventive regimen must be discussed with a physician. Factors such as family history, current medications, and individual bleeding risks are essential to a safe health plan. Annual exams are highly recommended for anyone on continuous medication.