Acetaminophen
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Acetaminophen
Acetaminophen (such as Panadol, Tempra, or Tylenol) reduces fever and relieves pain. It does not reduce swelling, as do nonsteroidal anti-inflammatory drugs (NSAIDs), such as aspirin and ibuprofen, but it also is less likely to cause stomach upset and other side effects.
Be sure to follow the nonprescription medicine precautions.
Dosage
- Adults: The usual dose is 650 mg. Doses may range from 500 mg to 1,000 mg per dose. Take every 4 hours, as needed, up to 4 times in a 24-hour period. Do not take more than 4,000 mg in a 24-hour period.
- Children: Give acetaminophen every 4 hours as needed. Do not give more than 5 doses in a 24-hour period. Dosages are based on the child's weight.
| Child's weight in pounds | Child's weight in kilograms | Dose of medication |
|---|---|---|
31.0 to 36.0 | 14.0 to 16.5 | 200 mg to 240 mg |
37.0 to 42.0 | 16.5 to 19.0 | 240 mg to 280 mg |
43.0 to 47.0 | 19.5 to 21.0 | 280 mg to 320 mg |
48.0 to 55.0 | 21.5 to 25.0 | 320 mg to 380 mg |
56.0 to 75.0 | 25.5 to 34.0 | 380 mg to 500 mg |
76.0 to 89.0 | 34.5 to 40.5 | 500 mg to 600 mg |
over 90.0 | over 40.5 | 650 mg (adult dose) |
If your child weighs less than
Side effects of acetaminophen are rare.
- Nausea and rash are the most common.
- High doses of acetaminophen can cause liver and kidney damage.
Reasons not to take acetaminophen
Do not take acetaminophen if you:
- Have kidney disease.
- Have liver disease.
- Drink alcohol heavily (3 or more drinks a day for men and 2 or more drinks a day for women).
Credits
| Author | Jan Nissl, RN, BS |
| Editor | Susan Van Houten, RN, BSN, MBA |
| Associate Editor | Tracy Landauer |
| Primary Medical Reviewer | William M. Green, MD - Emergency Medicine |
| Specialist Medical Reviewer | H. Michael O'Connor, MD - Emergency Medicine |
| Last Updated | August 28, 2007 |
| Last updated: | August 28, 2007 |
|---|---|
| Author: | Jan Nissl, RN, BS |
| Reviewed By: | William M. Green, MD - Emergency Medicine, H. Michael O'Connor, MD - Emergency Medicine |
| Editors: | Susan Van Houten, RN, BSN, MBA, Tracy Landauer |
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