This medication is a retinoid, prescribed for acne vulgaris and acute promyelocytic leukemia. It slows or stops the growth of cancer cells in the body.
Tretinoin causes certain cancer cells to mature into normal cells.
Take this drug with food. Swallow capsule whole. Do not chew, break, or crush.
Chance of getting an infection. Wash hands often. Stay away from people with infections, colds, or flu. Feeling lightheaded, sleepy, having blurred eyesight, or a change in thinking clearly. Avoid driving and doing other tasks or actions that call for you to be alert or have clear eyesight until you see how this drug affects you. Flushing. Wearing layers of clothes or summer clothes and staying in cool places may help. High or low blood pressure. Headache. Fever. Belly pain. Hard stools (constipation). Drinking more liquids, working out, or adding fiber to your diet may help. Talk with your doctor about a stool softener or laxative. Loose stools (diarrhea). Upset stomach or throwing up. Many small meals, good mouth care, sucking hard, sugar-free candy, or chewing sugar-free gum may help. Swelling. Bone pain. Skin irritation. Sunburn.
Take a missed dose as soon as you think about it. If it is close to the time for your next dose, skip the missed dose and go back to your normal time. Do not take 2 doses at the same time or extra doses. Do not change the dose or stop this drug. Talk with the doctor.
If you have an allergy to tretinoin, vitamin A, or any other part of this drug. Tell your doctor if you are allergic to any drugs. Make sure to tell about the allergy and what signs you had. This includes telling about rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs. If you are pregnant or may be pregnant. If you are breast-feeding.
If you think there was an overdose, call your local poison control center or ER right away. Signs of a very bad reaction to the drug. These include wheezing; chest tightness; fever; itching; bad cough; blue or gray skin color; seizures; or swelling of face, lips, tongue, or throat. Trouble breathing. Very bad headache. Very upset stomach or throwing up. Any bruising or bleeding. Sudden change in eyesight, eye pain, or irritation. Any rash. Side effect or health problem is not better or you are feeling worse.
Category C : Animal reproduction studies have shown an adverse effect on the fetus and there are no adequate and well-controlled studies in humans, but potential benefits may warrant use of the drug in pregnant women despite potential risks.
Cytotoxic Chemotherapy, Acne Treatment Preparations
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