Acetaminophen / Diphenhydramine / Phenylephrine Tablets

• If you have an allergy to acetaminophen, diphenhydramine, phenylephrine, or any other part of this medicine (acetaminophen/diphenhydramine/phenylephrine tablets).
• If you are allergic to any drugs like this one, any other drugs, foods, or other substances. Tell your doctor about the allergy and what signs you had, like rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs.
• If you have taken certain drugs used for low mood (depression) like isocarboxazid, phenelzine, or tranylcypromine or drugs used for Parkinson's disease like selegiline or rasagiline in the last 14 days. Taking this medicine within 14 days of those drugs can cause very bad high blood pressure.

This is not a list of all drugs or health problems that interact with this medicine (acetaminophen/diphenhydramine/phenylephrine tablets).

Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for you to take this medicine with all of your drugs and health problems. Do not start, stop, or change the dose of any drug without checking with your doctor.

• Tell all of your health care providers that you take this medicine (acetaminophen/diphenhydramine/phenylephrine tablets). This includes your doctors, nurses, pharmacists, and dentists.
• Do not take more than what your doctor told you to take. Taking more than you are told may raise your chance of very bad side effects.
• Do not take this medicine for longer than you were told by your doctor.
• Avoid driving and doing other tasks or actions that call for you to be alert until you see how this medicine (acetaminophen/diphenhydramine/phenylephrine tablets) affects you.
• Avoid drinking alcohol while taking this medicine.
• Talk with your doctor before you use other drugs and natural products that slow your actions.
• Do not use with other products that have diphenhydramine.
• Avoid other sources of acetaminophen. Check labels closely. Too much acetaminophen may cause problems.
• This medicine has acetaminophen in it. Very bad and sometimes deadly liver problems like the need for a liver transplant have happened with acetaminophen use. Most of the time, liver problems have happened in people taking more than 4,000 milligrams of acetaminophen in a day. Also, people who had liver problems were often using more than 1 drug that had acetaminophen in it. Talk with your doctor.
• Call your doctor right away if you take more than 4,000 mg (milligrams) of acetaminophen in a day, even if you feel well.
• If you are taking warfarin, talk with your doctor. You may need to have your blood work checked more closely while you are taking it with this medicine (acetaminophen/diphenhydramine/phenylephrine tablets).
• This medicine may affect certain lab tests. Tell all of your health care providers and lab workers that you take this medicine.
• Use with care in children. Talk with the doctor.
• Different brands of this medicine (acetaminophen/diphenhydramine/phenylephrine tablets) may have different doses for children. Talk with the doctor before giving this medicine to a child.
• If you are 65 or older, use this medicine (acetaminophen/diphenhydramine/phenylephrine tablets) with care. You could have more side effects.
• Tell your doctor if you are pregnant or plan on getting pregnant. You will need to talk about the benefits and risks of using this medicine while you are pregnant.
• Tell your doctor if you are breast-feeding. You will need to talk about any risks to your baby.

If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.

• If your symptoms or health problems do not get better or if they become worse, call your doctor.
• Do not share your drugs with others and do not take anyone else's drugs.
• Keep a list of all your drugs (prescription, natural products, vitamins, OTC) with you. Give this list to your doctor.
• Talk with the doctor before starting any new drug, including prescription or OTC, natural products, or vitamins.
• Some drugs may have another patient information leaflet. Check with your pharmacist. If you have any questions about this medicine, please talk with your doctor, nurse, pharmacist, or other health care provider.
• If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.

Review Date: October 4, 2017