Alcohol and Acetaminophen(Acetaminophen)

Patients who drink more than 3 alcoholic drinks a day and take Acetaminophen are at increased risk of developing liver side effects. Limit alcohol intake while taking Acetaminophen. Avoid alcoholic drinks if you are taking Acetaminophen on a regular basis.

Alcohol and Salicylates(Aspirin)

Side effects from this drug may get worse if you drink alcohol-containing drinks. If you have persistent stomach upset, vomit blood or what looks like coffee grounds, or have black, tarry stools, contact your health care provider immediately. Avoid alcohol containing drinks while taking aspirin. Alcohol intake should be limited even with short term use of aspirin or related pain relievers.

Tobacco and Acetaminophen(Acetaminophen)

If you are a tobacco smoker, use of Acetaminophen can increase the risk of liver side effects. Immediately tell your doctor if you get severe abdominal pain, nausea, vomiting, or yellowing of the skin. Do not exceed 4 g acetaminophen/day in adults. Tell your doctor if Acetaminophen does not help your headache or other pain. Tobacco smoke may reduce the effectiveness of Acetaminophen.

Tobacco and Caffeine(Caffeine)

Tobacco smoke contains substances that may speed the removal of Caffeine from the body. If you start smoking Caffeine may become less effective. Tobacco smokers often drink several caffeinated beverages daily. Just the opposite occurs when someone stops smoking tobacco; if you stop smoking this may increase the amount of Caffeine in the blood and side effects from Caffeine may get worse. Too much Caffeine can cause nausea, nervousness, or sleeplessness, and occasionally other effects like tremor. If you stop smoking tobacco, you may need to lower your Caffeine intake.

Caffeine-containing Foods/Beverages and Caffeine(Caffeine)

While taking Caffeine-containing medicines, limit the use of foods, beverages (examples: coffee, tea, colas), herbs (examples: guarana, green tea) and other products that contain additional caffeine, such as chocolate and some non-prescription medications or dietary supplements for headache, insomnia, or weight loss. Too much Caffeine can cause effects like nausea, nervousness, or sleeplessness. Some drug products for adults that contain caffeine have about as much caffeine as a cup of coffee.

Grapefruit juice and Caffeine(Caffeine)

Do not significantly alter your grapefruit juice intake while taking medicines containing caffeine. Some reports suggest that intake of grapefruit juice can increase side effects from caffeine. Too much Caffeine can cause effects like nausea, tremor, nervousness, or sleeplessness. If these occur, consider ingesting less caffeine daily.