Acetaminophen and chlorpheniramine

Name: Acetaminophen and chlorpheniramine

What is the most important information I should know about acetaminophen and chlorpheniramine?

Ask a doctor before taking medicine that contains acetaminophen if you have ever had liver disease, or if you drink more than 3 alcoholic beverages per day.

Do not take more of this medication than is recommended. An overdose of acetaminophen can damage your liver or cause death.

In rare cases, acetaminophen may cause a severe skin 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.

Ask a doctor or pharmacist before using any other cold, allergy, pain, or sleep medication. Acetaminophen (sometimes abbreviated as APAP) is contained in many combination medicines. Taking certain products together can cause you to get too much acetaminophen which can lead to a fatal overdose. Check the label to see if a medicine contains acetaminophen or APAP.

Avoid drinking alcohol. It may increase your risk of liver damage while taking acetaminophen.

What should I discuss with my healthcare provider before taking acetaminophen and chlorpheniramine?

Ask a doctor before taking medicine that contains acetaminophen if you have ever had liver disease, or if you drink more than 3 alcoholic beverages per day.

You should not use this medication if you are allergic to it, or if you have:

  • severe constipation, blockage in your stomach or intestines;

  • untreated or uncontrolled diseases--glaucoma, asthma, heart disease, overactive thyroid; or

  • if you are unable to urinate.

Ask a doctor or pharmacist before taking this medicine if you have any medical condition, especially:

  • kidney disease;

  • cough with mucus, or cough caused by emphysema or chronic bronchitis;

  • an enlarged prostate, problems with urination;

  • a history of alcoholism; or

  • if you take potassium (Cytra, Epiklor, K-Lyte, K-Phos, Kaon, Klor-Con, Polycitra, Urocit-K).

It is not known whether this medicine will harm an unborn baby. Do not use cold or allergy medicine without a doctor's advice if you are pregnant.

This medicine can pass into breast milk and may harm a nursing baby. Antihistamines may slow breast milk production. Do not use cold or allergy without a doctor's advice if you are breast-feeding a baby.

Always ask a doctor before giving a cold or allergy medicine to a child. Death can occur from the misuse of cough and cold medicines in very young children.

What happens if I miss a dose?

Since this medicine is used when needed, you may not be on a dosing schedule. If you are on a schedule, use the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not use extra medicine to make up the missed dose.

Usual Adult Dose for Cold Symptoms

2 tablets orally every 4 to 6 hours
Maximum dose: 12 in 24 hours or as directed by a doctor

Usual Pediatric Dose for Rhinorrhea

>=12 years:
2 tablets orally every 4 to 6 hours
Maximum dose: 12 tablets in 24 hours or as directed by a doctor

6 to <12 years:
1 tablets orally every 4 to 6 hours
Maximum dose: 5 tablets in 24 hours or as directed by a doctor

Dialysis

Data not available

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