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Home Knowledge Center Wellness Library Acetaminophen/Diphenhydramine/Phenylephrine Oral Tablet (DECONGESTANT/ACETAMINOPHEN/ANTIHISTAMINE - ORAL)

Acetaminophen/Diphenhydramine/Phenylephrine Oral Tablet (DECONGESTANT/ACETAMINOPHEN/ANTIHISTAMINE - ORAL)

This medicine is used for the following purposes:

  • allergy symptoms
  • fever
  • stuffy nose
  • pain

Generic Name: Acetaminophen/Diphenhydramine/Phenylephrine

Instructions

Instructions

This medicine may be taken with or without food.

Swallow with a full glass (8 oz) of water unless your doctor gives you different instructions.

To relieve dry mouth, chew gum, suck on hard candy/ice chips, drink extra water, or use a saliva substitute.

Store at room temperature away from heat, light, and moisture. Do not keep in the bathroom.

Drink plenty of water while on this medicine.

Drug interactions can change how medicines work or increase risk for side effects. Tell your health care providers about all medicines taken. Include prescription and over-the-counter medicines, vitamins, and herbal medicines. Speak with your doctor or pharmacist before starting or stopping any medicine.

Tell your doctor if symptoms do not get better or if they get worse.

You may stop using this medicine if you no longer have symptoms.

Cautions

Cautions

This medicine is not recommended for use in children younger than 6.

Tell your doctor and pharmacist if you ever had an allergic reaction to a medicine.

This medicine is associated with a rare, but serious problem of the liver. Speak to your doctor about the early signs of liver problems and the benefits and risks of using this medicine.

Do not use the medication any more than instructed.

If possible, avoid using with alcohol, marijuana, or other medicines that can cause dizziness or drowsiness. These include allergy/cold products, muscle relaxers, sleep aids, and pain relievers.

Your ability to stay alert or to react quickly may be impaired by this medicine. Do not drive or operate machinery until you know how this medicine will affect you.

If you drink alcohol regularly, please speak with your doctor.

Call the doctor if there are any signs of confusion or unusual changes in behavior.

Tell the doctor or pharmacist if you are pregnant, planning to be pregnant, or breastfeeding.

This medicine has acetaminophen. Many medicines have acetaminophen. Taking them together can cause you to get too much acetaminophen, which can cause serious liver problems. Read all medicine labels for acetaminophen. Ask your pharmacist which medicines you can take safely.

Side Effects

Side Effects

The following is a list of some common side effects from this medicine. Please speak with your doctor about what you should do if you experience these or other side effects.

  • blurry vision
  • dizziness or drowsiness
  • dry nose
  • nausea
  • nervousness
  • stomach upset or abdominal pain

Call your doctor or get medical help right away if you notice any of these more serious side effects:

  • confusion
  • hallucinations (unusual thoughts, seeing or hearing things that are not real)
  • fast or irregular heart beats
  • signs of liver damage (such as yellowing of eye or skin, dark urine, or unusual tiredness)
  • mood changes
  • seizures
  • shakiness
  • difficulty or discomfort urinating

A few people may have an allergic reaction to this medicine. Symptoms can include difficulty breathing, skin rash, itching, swelling, or severe dizziness. If you notice any of these symptoms, seek medical help quickly.

Please speak with your doctor, nurse, or pharmacist if you have any questions about this medicine.

This information does not replace the advice of a doctor. Healthwise, Incorporated, disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. Learn how we develop our content.

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