Aspirin

Generic name: Aspirin (oral)

Usage of Aspirin

Aspirin is a salicylate (sa-LIS-il-ate). It works by reducing substances in the body that cause pain, fever, and inflammation.

Aspirin is used to treat pain, and reduce fever or inflammation. It is sometimes used to treat or prevent heart attacks, strokes, and chest pain (angina).

Aspirin should be used for cardiovascular conditions only under the supervision of a doctor.

Aspirin side effects

Get emergency medical help if you have signs of an allergic reaction to aspirin: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Aspirin may cause serious side effects. Stop using this medicine and call your doctor at once if you have:

  • ringing in your ears, confusion, hallucinations, rapid breathing, seizure (convulsions);
  • severe nausea, vomiting, or stomach pain;
  • bloody or tarry stools, coughing up blood or vomit that looks like coffee grounds;
  • fever lasting longer than 3 days; or
  • swelling, or pain lasting longer than 10 days.

    • Common side effects of aspirin may include:

  • upset stomach;
  • heartburn;
  • drowsiness; or
  • mild headache.

    • This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

    Before taking Aspirin

    Do not give this medicine to a child or teenager with a fever, flu symptoms, or chickenpox. Aspirin can cause Reye's syndrome, a serious and sometimes fatal condition in children.

    You should not use aspirin if you are allergic to it, or if you have:

  • a recent history of stomach or intestinal bleeding;
  • a bleeding disorder such as hemophilia; or
  • if you have ever had an asthma attack or severe allergic reaction after taking aspirin or an NSAID (non-steroidal anti-inflammatory drug) such as Advil, Motrin, Aleve, Orudis, Indocin, Lodine, Voltaren, Toradol, Mobic, Relafen, Feldene, and others.

    • To make sure this medicine is safe for you, tell your doctor if you have:

  • asthma or seasonal allergies;
  • stomach ulcers;
  • liver disease;
  • kidney disease;
  • a bleeding or blood clotting disorder;
  • gout; or
  • heart disease, high blood pressure, or congestive heart failure.

    • Taking aspirin during late pregnancy may cause bleeding in the mother or the baby during delivery. Tell your doctor if you are pregnant or plan to become pregnant.

    Aspirin can pass into breast milk and may harm a nursing baby. You should not breastfeed while using this medicine.

    How to use Aspirin

    Take aspirin exactly as directed on the label, or as prescribed by your doctor. Do not use in larger or smaller amounts or for longer than recommended.

    Always follow directions on the medicine label about giving aspirin to a child.

    Take with food if aspirin upsets your stomach.

    You must chew the chewable tablet before you swallow it.

    Do not crush, chew, break, or open an enteric-coated or delayed/extended-release pill. Swallow the pill whole.

    If you need surgery, tell the surgeon ahead of time that you are using this medicine. You may need to stop using it for a short time.

    Do not use aspirin if you smell a strong vinegar odor in the bottle. The medicine may no longer be effective.

    Store at room temperature away from moisture and heat.

    Warnings

    You should not use aspirin if you have a bleeding disorder such as hemophilia, a recent history of stomach or intestinal bleeding, or if you are allergic to an NSAID (non-steroidal anti-inflammatory drug) such as Advil, Motrin, Aleve, Orudis, Indocin, Lodine, Voltaren, Toradol, Mobic, Relafen, Feldene, and others.

    Do not give this medication to a child or teenager with a fever, flu symptoms, or chickenpox. Salicylates can cause Reye's syndrome, a serious and sometimes fatal condition in children.

    What other drugs will affect Aspirin

    Ask your doctor before using aspirin if you take an antidepressant such as citalopram, escitalopram, fluoxetine (Prozac), fluvoxamine, paroxetine, sertraline (Zoloft), trazodone, or vilazodone. Taking any of these medicines with an NSAID may cause you to bruise or bleed easily.

    Ask a doctor or pharmacist if it is safe for you to use this medicine if you are also using any of the following drugs:

  • a blood thinner (warfarin, Coumadin, Jantoven), or other medication used to prevent blood clots; or
  • other salicylates such as Nuprin Backache Caplet, Kaopectate, KneeRelief, Pamprin Cramp Formula, Pepto-Bismol, Tricosal, Trilisate, and others.

    • This list is not complete. Other drugs may interact with aspirin, including prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible interactions are listed in this medication guide.

    Popular FAQ

    Aspirin may help menstrual pain. It is in a group of drugs called salicylates. It works by reducing substances in the body that cause pain, fever, and inflammation. Aspirin is used to treat mild to moderate pain, and also to reduce fever or inflammation. It is best taken with food and a glass of water.

    Even though aspirin and Ibuprofen are both NSAIDs (nonsteroidal anti-inflammatory drugs) and work similarly, there are several differences between the two drugs and they are not considered interchangeable. Continue reading

    Yes, it is safe for most people to take tramadol with acetaminophen, ibuprofen, or aspirin if they are old enough (aspirin is not recommended for children less than 16 years and tramadol should not be taken by children under the age of 12). Continue reading

    Common antidepressants used for orthopedic pain relief may include SSRIs like fluoxetine (Prozac), paroxetine (Paxil), and sertraline (Zoloft), SNRIs such as duloxetine (Cymbalta), or tricyclic antidepressants (TCAs) like amitriptyline (Elavil) or nortriptyline (Pamelor). Continue reading

    A fever is defined as a body temperature of 38°C (100.4°F) or higher. Normal body temperature is usually 37°C (98.6°F), although it can be about a half degree Celsius higher or lower for some people and that’s normal for them. Continue reading

    An aspirin overdose can occur after a single large dose (this is called an acute overdose) or develop gradually after taking lower doses for a long time (this is called a chronic overdose). An acute aspirin overdose may be accidental or intentional. A toxic dose of aspirin for a human adult is considered to be 200 to 300 milligrams per kilogram of body weight (works out to be 13,600 to 20,400mg of aspirin for a person who weighs 68 kg [approximately 150 pounds]). A dose of 500 milligrams per kilogram of body weight (34,000mg for a 68kg person) is considered a potentially lethal dose of aspirin, and could result in death. Continue reading

    DO NOT give aspirin to cats; it can be deadly to your cat. Cats lack the enzyme needed for metabolizing salicylic acid properly, and aspirin can build up and be extremely toxic. Many vets do not recommend aspirin use in dogs anymore due to stomach ulcers and the possibility of bleeding. Continue reading

    Aspirin may help menstrual pain. It is in a group of drugs called salicylates. It works by reducing substances in the body that cause pain, fever, and inflammation. Aspirin is used to treat mild to moderate pain, and also to reduce fever or inflammation. It is best taken with food and a glass of water.

    Even though aspirin and Ibuprofen are both NSAIDs (nonsteroidal anti-inflammatory drugs) and work similarly, there are several differences between the two drugs and they are not considered interchangeable. Continue reading

    Yes, it is safe for most people to take tramadol with acetaminophen, ibuprofen, or aspirin if they are old enough (aspirin is not recommended for children less than 16 years and tramadol should not be taken by children under the age of 12). Continue reading

    Common antidepressants used for orthopedic pain relief may include SSRIs like fluoxetine (Prozac), paroxetine (Paxil), and sertraline (Zoloft), SNRIs such as duloxetine (Cymbalta), or tricyclic antidepressants (TCAs) like amitriptyline (Elavil) or nortriptyline (Pamelor). Continue reading

    A fever is defined as a body temperature of 38°C (100.4°F) or higher. Normal body temperature is usually 37°C (98.6°F), although it can be about a half degree Celsius higher or lower for some people and that’s normal for them. Continue reading

    An aspirin overdose can occur after a single large dose (this is called an acute overdose) or develop gradually after taking lower doses for a long time (this is called a chronic overdose). An acute aspirin overdose may be accidental or intentional. A toxic dose of aspirin for a human adult is considered to be 200 to 300 milligrams per kilogram of body weight (works out to be 13,600 to 20,400mg of aspirin for a person who weighs 68 kg [approximately 150 pounds]). A dose of 500 milligrams per kilogram of body weight (34,000mg for a 68kg person) is considered a potentially lethal dose of aspirin, and could result in death. Continue reading

    DO NOT give aspirin to cats; it can be deadly to your cat. Cats lack the enzyme needed for metabolizing salicylic acid properly, and aspirin can build up and be extremely toxic. Many vets do not recommend aspirin use in dogs anymore due to stomach ulcers and the possibility of bleeding. Continue reading

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