Before taking aspirin, tell your doctor or pharmacist if you are allergic to it; or to other salicylates (such as choline salicylate); or to other pain relievers or fever reducers (NSAIDs such as ibuprofen, naproxen); or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have: bleeding/blood-clotting disorders (such as hemophilia, vitamin K deficiency, low platelet count).
If you have any of the following health problems, consult your doctor or pharmacist before using this medication: kidney disease, liver disease, diabetes, stomach problems (such as ulcers, heartburn, stomach pain), aspirin-sensitive asthma (a history of worsening breathing with runny/stuffy nose after taking aspirin or other NSAIDs), growths in the nose (nasal polyps), gout, certain enzyme deficiencies (pyruvate kinase or G6PD deficiency).
This medicine may cause stomach bleeding. Daily use of alcohol and tobacco, especially when combined with this product, may increase your risk for this side effect. Limit alcoholic beverages, and stop smoking. Check with your doctor or pharmacist for more information.
Before having surgery, tell your doctor or dentist that you are taking this medication.
Children and teenagers less than 18 years old should not take aspirin if they have chickenpox, flu, or any undiagnosed illness or if they have recently received a vaccine. In these cases, taking aspirin increases the risk of Reye's syndrome, a rare but serious illness. Tell your doctor promptly if you see changes in behavior with nausea and vomiting. This may be an early sign of Reye's syndrome.
Older adults may be more sensitive to the side effects of this drug, especially stomach/intestinal bleeding and ulcers.
Aspirin is not recommended for use to treat pain or fever during pregnancy. It may harm an unborn baby or cause problems during delivery. Consult your doctor before using this medication if you are or think you may be pregnant. In some cases, low-dose aspirin (40-150 milligrams a day) may be used safely during pregnancy to prevent certain conditions. Talk to your doctor for more details.
Aspirin passes into breast milk. When used in large amounts (such as to treat pain or fever), it may harm a nursing infant and breast-feeding while using this drug is not recommended. However, low-dose aspirin for heart attack or stroke prevention may be used if directed by your doctor. Consult your doctor before breast-feeding.