Proper Use
Drug information provided by: Merative, Micromedex®
It is very important that you take tretinoin only as directed by your doctor . Do not take more of it, do not take it more often, and do not take it for a longer time than your doctor ordered. To do so may increase the chance of side effects.
Dosing
The dose of this medicine 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 this medicine. 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.
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For oral dosage form (capsules):
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For acute promyelocytic leukemia (APL):
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Adults—Dose is based on body size and must be determined by your doctor. The usual dose is 45 milligrams (mg) for each square meter of body surface area a day, given in two equally divided doses.
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Children—The dose will be determined by your doctor.
Missed Dose
If you miss a dose of this medicine, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not double doses.
If it is almost time for your next dose, check with your health care professional to find out how much medicine to take for the next dose.
Storage
Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Keep from freezing.
Keep out of the reach of children.
Do not keep outdated medicine or medicine no longer needed.
Portions of this document last updated: March 01, 2024
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