Acetaminophen and chlorpheniramine

Name: Acetaminophen and chlorpheniramine

How should I take acetaminophen and chlorpheniramine?

Use this medication exactly as directed on the label, or as prescribed by your doctor. Do not take this medicine for longer than recommended. Cold or allergy medicine is usually taken only for a short time until your symptoms clear up.

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

Stop taking the medicine and call your doctor if you still have a fever after 3 days, or you still have pain after 10 days (or 5 days if treating a child). Also call your doctor if your symptoms get worse, or if you have any redness or swelling.

If you need surgery or medical tests, tell the doctor ahead of time if you have taken this medicine within the past few days.

Store at room temperature away from moisture and heat.

What are some other side effects of this drug?

All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away:

  • Feeling sleepy.
  • Feeling nervous and excitable.

These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.

You may report side effects to the FDA at 1-800-FDA-1088. You may also report side effects at http://www.fda.gov/medwatch.

Usual Adult Dose for Allergic Rhinitis

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

Usual Adult Dose for Influenza

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

Usual Pediatric Dose for Allergic Rhinitis

>=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

Acetaminophen / chlorpheniramine Breastfeeding Warnings

One small study has reported that following a 1000 mg dose of acetaminophen to nursing mothers, nursing infants receive less than 1.85% of the weight-adjusted maternal oral dose.

Acetaminophen is excreted into human milk in small concentrations. One case of a rash has been reported in a nursing infant. Acetaminophen is considered compatible with breast-feeding by the American Academy of Pediatrics. There are no data on the excretion of chlorpheniramine into human milk. Because other antihistamines are excreted into human milk in low concentrations, the manufacturer recommends that caution be used when administering chlorpheniramine to nursing women.

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