Aspirin (By mouth)


Aspirin (AS-pir-in)

Treats pain, fever, and inflammation. May also reduce the risk of heart attack.

Brand Name(s)

Ascriptin Regular Strength, AsperDrink, Aspergum, Aspir Low, Aspir-Trin, Aspirin Adult Low Dose, Bayer Aspirin Children's, Bayer Aspirin Regimen, Bayer Extra Strength, Bayer Genuine Aspirin, Bufferin, Bufferin Low Dose, Ecotrin, Ecpirin, Entercote

When This Medicine Should Not Be Used

How to Use This Medicine

Tablet, Chewable Tablet, Coated Tablet, Fizzy Tablet, Delayed Release Tablet, Delayed Release Capsule, Gum

  • Take your medicine as directed.
  • Follow the instructions on the medicine label if you are using this medicine without a prescription.
  • It is best to take this medicine with food or milk.
  • Swallow the tablet, capsule, or coated tablet whole. Do not crush, chew, or break it. The chewable tablet may be completely chewed or swallowed whole.
  • Completely chew the chewing gum to make sure you get as much medicine as possible. Drink a full glass (8 ounces) of water after chewing the gum.

If a dose is missed:

  • Take a dose as soon as you remember. If it is almost time for your next dose, wait until then and take a regular dose. Do not take extra medicine to make up for a missed dose.

How to Store and Dispose of This Medicine

  • Store the medicine in a tightly closed container at room temperature away from heat, moisture, and direct light.
  • Ask your pharmacist, doctor, or health caregiver about the best way to dispose of any outdated medicine or medicine no longer needed.
  • Keep all medicine out of the reach of children.

Drugs and Foods to Avoid

Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.

  • Aspirin can cause stomach bleeding. Drinking alcohol can make this worse. If you have 3 or more drinks of alcohol every day, ask your doctor if you should take aspirin. One drink of alcohol is the same as 4 ounces of wine, 12 ounces of beer, or 1 ounce of hard liquor (gin, whiskey, and others).
  • Make sure your doctor knows if you are also using a blood thinner (such as Coumadin®), probenecid, cortisone medicine (such as prednisone), or methotrexate.
  • Make sure your doctor knows if you are also using ticlopidine (Ticlid®), dipyridamole (Persantine®), or sulfinpyrazone (Anturane®).

Warnings While Using This Medicine

  • Check with your doctor before using if you are pregnant or breastfeeding, or if you have asthma, kidney problems, or a history of ulcers
  • Aspirin may cause incorrect results with some urine sugar tests.

Possible Side Effects While Using This Medicine

Call your doctor right away if you notice any of these side effects:

  • Severe stomach pain
  • Bloody vomit or vomit that looks like coffee grounds
  • Blood in stools or urine
  • Skin rash or hives with intense itching
  • Swelling of the face or eyelids
  • Wheezing or trouble breathing
  • Severe dizziness or drowsiness
  • Ringing in the ears

If you notice these less serious side effects, talk with your doctor:

  • Upset stomach
  • Heartburn

If you notice other side effects that you think are caused by this medicine, tell your doctor

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088

Version Info

  • Last reviewed on 7/4/2015

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