Do not take this medicine with any of the following medications:
-MAOIs like Carbex, Eldepryl, Marplan, Nardil, and Parnate
-methotrexate
-other medicines with acetaminophen
-probenecid

This medicine may also interact with the following medications:
-alcohol
-alendronate
-bismuth subsalicylate
-clozapine
-flavocoxid
-grapefruit juice
-herbal supplements like feverfew, garlic, ginger, ginkgo biloba, horse chestnut
-isoniazid
-lithium
-medicines for diabetes or glaucoma like acetazolamide, methazolamide
-medicines for gout
-medicines that stimulate or keep you awake
-medicines that treat or prevent blood clots like enoxaparin, heparin, ticlopidine, warfarin
-NSAIDs, medicines for pain and inflammation, like ibuprofen or naproxen
-other aspirin and aspirin-like medicines
-some cough and cold medicines like pseudoephedrine
-varicella live vaccine

They need to know if you have any of these conditions:

-anemia
-anxiety or panic attacks
-asthma
-bleeding problems
-child with chickenpox, the flu, or other viral infection
-diabetes
-gout
-heart disease
-high blood pressure
-if you often drink alcohol
-kidney disease
-liver disease
-low level of vitamin K
-lupus
-smoke tobacco
-stomach ulcers or other problems
-trouble sleeping
-an unusual or allergic reaction to acetaminophen, aspirin, caffeine, other medicines, foods, dyes, or preservatives
-pregnant or trying to get pregnant
-breast-feeding

Tell your doctor or health care professional if the pain lasts more than 10 days, if it gets worse, or if there is a new or different kind of pain. Tell your doctor if you see redness or swelling. If you are treating a fever, check with your doctor if the fever that lasts for more than 3 days.

Do not take Tylenol (acetaminophen) or medicines that have acetaminophen with this medicine. Too much acetaminophen can be very dangerous. Always read medicine labels carefully.

Report any possible overdose to your doctor or health care professional right away, even if there are no symptoms. The effects of extra doses may not be seen for many days.

This medicine can irritate your stomach or cause bleeding problems. Do not smoke cigarettes or drink alcohol. Do not lie down for 30 minutes after taking this medicine to prevent irritation to your throat.

If you are scheduled for any medical or dental procedure, tell your healthcare provider that you are taking this medicine. You may need to stop taking this medicine before the procedure.

Do not take this medicine close to bedtime. It may prevent you from sleeping.

This medicine may be used to treat migraines. If you take migraine medicines for 10 or more days a month, your migraines may get worse. Keep a diary of headache days and medicine use. Contact your healthcare professional if your migraine attacks occur more frequently.

Keep out of the reach of children.

Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Keep container tightly closed. Throw away any unused medicine after the expiration date.