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Toxic Reactions to Fioricet may be Greater in People who Have Kidney Damage

Fioricet Dosing

The dose medicines in this class will be different for different patients. Follow your doctor’s orders or the directions on the label.

The following information includes only the average doses of these medicines. If your dose is different, do not change it unless your doctor tells you to do so.

The amount of medicine that you take depends on the strength of the medicine. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine.

  • For oral dosage forms (capsules or tablets):
    • For tension headaches:
      • Adults—One or 2 capsules or tablets every four hours as needed. If your medicine contains 325 or 500 milligrams (mg) of acetaminophen in each capsule or tablet, you should not take more than six capsules or tablets a day. If your medicine contains 650 mg of acetaminophen in each capsule or tablet, you should not take more than four capsules or tablets a day.
      • Children—Dose must be determined by your doctor.

Toxic Reactions to Fioricet may be Greater in People who Have Kidney Damage

Butalbital (an ingredient in Fioricet) is heavily removed from the body by the kidney, and the risk of toxic reactions to Fioricet may be greater in people who have kidney damage. Because older adults are more likely to have kidney damage, they should usually start with the lowest possible dose recommended by their doctor. Older adults may also want to have their kidney function monitored while they are taking Fioricet.

fioricet over dose treatment
fioricet over dose treatment

 

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