Reye's Syndrome: Children and teenagers should not use this product for chicken pox or flu symptoms before a doctor is consulted about Reye's Syndrome, a rare but serious illness reported to be associated with aspirin.
Allergy alert: Magnesium Salicylate may cause a severe allergic reaction which may include: hives, facial swelling, asthma (wheezing), shock.
Stomach bleeding warning: This product contains a non-steroidal anti-inflammatory drug (NSAID), which may cause severe stomach bleeding. The chance is higher if you are age 60 or older, have had stomach ulcers or bleeding problems, take a blood thinning (anticoagulant) or steroid drug, take other drugs containing prescription or nonprescription NSAIDs (aspirin, ibuprofen, naproxen or others), have 3 or more alcoholic drinks every day while using this product, take more or for a longer time than directed.
Do not use if you have ever had an allergic reaction to any other pain reliever/fever reducer.
Ask a doctor before use if stomach bleeding warning applies to you, you have a history of stomach problems, such as heartburn, you have high blood pressure, heart disease, liver cirrhosis or kidney disease, you are taking a diuretic.
Ask a doctor or pharmacist before use if you are taking a prescription drug for diabetes, gout or arthritis or taking any other drug.
When using this product, limit the use of caffeine-containing medications, foods or beverages because too much caffeine may cause: nervousness, irritability, sleeplessness, occasional rapid heart beat. The recommended dose of this product contains about as much caffeine as one cup of coffee.
Stop use and ask a doctor if an allergic reaction occurs. Seek medical help right away, pain gets worse or lasts more than 10 days, fever gets worse or lasts more than 3 days, redness or swelling is present, ringing in the ears or loss of hearing occurs, any new symptoms appear, you experience any of the following signs of stomach bleeding, feel faint, vomit blood, have bloody or black stools, have stomach pain that does not get better.
If pregnant or breast-feeding, ask a health professional before use. In case of overdose, get medical help or contact a poison control center right away.