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Acetaminophen / caffeine / magnesium salicylate Side Effects

Not all side effects for acetaminophen / caffeine / magnesium salicylate may be reported. You should always consult a doctor or healthcare professional for medical advice. Side effects can be reported to the FDA here.

Applies to acetaminophen / caffeine / magnesium salicylate: oral tablet

Get emergency medical help if you have any of these signs of an allergic reaction while taking acetaminophen / caffeine / magnesium salicylate: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

In rare cases, acetaminophen may cause a severe skin reaction that can be fatal. This could occur even if you have taken acetaminophen in the past and had no reaction. Stop taking this medicine and call your doctor right away if you have skin redness or a rash that spreads and causes blistering and peeling. If you have this type of reaction, you should never again take any medicine that contains acetaminophen.

Stop using this medicine and call your doctor at once if you have:

  • bloody or tarry stools, coughing up blood or vomit that looks like coffee grounds;

  • easy bruising or bleeding; or

  • swelling, rapid weight gain, little or no urinating.

Common side effects may include:

  • upset stomach;

  • trouble sleeping (insomnia); or

  • feeling anxious or restless.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects.

More about acetaminophen/caffeine/magnesium salicylate

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Disclaimer: Every effort has been made to ensure that the information provided is accurate, up-to-date and complete, but no guarantee is made to that effect. In addition, the drug information contained herein may be time sensitive and should not be utilized as a reference resource beyond the date hereof. This material does not endorse drugs, diagnose patients, or recommend therapy. This information is a reference resource designed as supplement to, and not a substitute for, the expertise, skill , knowledge, and judgement of healthcare practitioners in patient care. The absence of a warning for a given drug or combination thereof in no way should be construed to indicate safety, effectiveness, or appropriateness for any given patient. Drugs.com does not assume any responsibility for any aspect of healthcare administered with the aid of materials provided. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the substances you are taking, check with your doctor, nurse, or pharmacist.

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