Generic Name: isotretinoin (oral) (EYE so TRET i noyn)
Brand Name: Amnesteem, Claravis, Sotret
What is isotretinoin?
Isotretinoin is a form of vitamin A. It reduces the amount of oil released by oil glands in your skin, and helps your skin renew itself more quickly.
Isotretinoin is used to treat severe nodular acne that has not responded to other treatments, including antibiotics.
Isotretinoin may also be used for purposes not listed in this medication guide.
What is the most important information I should know about isotretinoin?
Isotretinoin can cause severe, life-threatening birth defects. Never use isotretinoin if you are pregnant.
Women of child-bearing potential must agree in writing to use two specific forms of birth control and have regular pregnancy tests before, during, and after taking isotretinoin.
Isotretinoin is available only under a special program called iPLEDGE. It is dangerous to try and purchase isotretinoin on the Internet or from vendors outside of the United States.
Do not take vitamin supplements containing vitamin A while you are taking isotretinoin.
Do not donate blood while taking isotretinoin and for at least 30 days after you stop taking it.
What should I discuss with my healthcare provider before taking isotretinoin?
Isotretinoin is available only under a special program called iPLEDGE. You must be registered in the program and sign documents stating that you understand the dangers of this medication and that you agree to use birth control as required by the program. Ask your doctor or call the drug maker if you have questions about the program or the written requirements.
It is dangerous to try and purchase isotretinoin on the Internet or from vendors outside of the United States. The sale and distribution of isotretinoin outside of the iPLEDGE program violates the regulations of the U.S. Food and Drug Administration for the safe use of this medication.
Do not use this medication if you are allergic to isotretinoin or to parabens, or if you are pregnant or may become pregnant.
To make sure you can safely take isotretinoin, tell your doctor if you have any of these other conditions:
a personal or family history of depression or mental illness;
heart disease, high cholesterol or triglycerides;
osteoporosis or other bone disorders;
an intestinal disorder such as inflammatory bowel disease, ulcerative colitis, or Crohn's disease;
an eating disorder (anorexia nervosa); or
Isotretinoin can cause severe, life-threatening birth defects if the mother takes the medication during pregnancy. Even one dose of isotretinoin can cause major birth defects of the baby's ears, eyes, face, skull, heart, and brain. Never use isotretinoin if you are pregnant.
For Women: Unless you have had your uterus and ovaries removed (total hysterectomy with oophorectomy) or have been in menopause for at least 12 months in a row, you are considered to be of child-bearing potential.
Even women who have had their tubes tied are required to use birth control while taking isotretinoin.
You must have a negative pregnancy test 30 days before you start taking isotretinoin. A pregnancy test is also required before each prescription is refilled, right after you take your last dose of isotretinoin, and again 30 days later. All pregnancy testing is required by the iPLEDGE program.
You must agree in writing to use two specific forms of birth control beginning 30 days before you start taking isotretinoin and ending 30 days after you stop taking it. Both a primary and a secondary form of birth control must be used together.
Primary forms of birth control include:
tubal ligation (tubes tied);
vasectomy of the male sexual partner;
an IUD (intrauterine device);
estrogen-containing birth control pills (not mini-pills); and
hormonal birth control patches, implants, injections, or vaginal ring.
Secondary forms of birth control include:
a male latex condom plus spermicidal foam or gel;
a diaphragm plus spermicidal foam or gel;
a cervical cap plus spermicidal foam or gel; and
a vaginal sponge containing spermicide.
Stop using isotretinoin and call your doctor at once if you have unprotected sex, if you quit using birth control, if your period is late, or if you think you might be pregnant. If you get pregnant while taking isotretinoin, call the iPLEDGE pregnancy registry at 1-866-495-0654.
It is not known whether isotretinoin passes into breast milk. Do not take isotretinoin without first talking to your doctor if you are breast-feeding a baby.
How should I take isotretinoin?
Take exactly as prescribed by your doctor. Do not take in larger or smaller amounts or for longer than recommended. Follow the directions on your prescription label.
Each prescription of isotretinoin must be filled within 7 days of the date it was prescribed by your doctor. You will receive no more than a 30-day supply of isotretinoin at one time.
Always take isotretinoin with a full glass of water to prevent the capsule from melting in your esophagus (food pipe), causing irritation. Do not chew or suck on the capsule. Swallow it as quickly as possible.
Take isotretinoin with food or milk.
Take this medication for the entire length of time prescribed by your doctor. Your acne may seem to get worse at first, but should then begin to improve.
To be sure this medication is not causing harmful effects, your blood may need to be tested often. Your liver function may also need to be tested. Visit your doctor regularly.
Never share this medicine with another person, even if they have the same symptoms you have.
Store at room temperature away from moisture, heat, and light.
What happens if I miss a dose?
Skip the missed dose and take the medicine at your next regularly scheduled time. Do not take extra medicine to make up the missed dose.
What happens if I overdose?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222. Overdose symptoms may include headache, dizziness, vomiting, stomach pain, warmth or tingling under the skin, swelling of the lips, and loss of balance or coordination.
What should I avoid while taking isotretinoin?
Do not take vitamin supplements containing vitamin A while you are taking isotretinoin.
Do not donate blood while taking isotretinoin and for at least 30 days after you stop taking it. Donated blood that is later given to pregnant woman could lead to birth defects in her baby if the blood contains any level of isotretinoin.
Do not use wax hair removers or have dermabrasion or laser skin treatments while you are taking isotretinoin and for at least 6 months after you stop taking it. Scarring may result.
Avoid exposure to sunlight or artificial UV rays (sunlamps or tanning beds). Isotretinoin can make your skin more sensitive to sunlight and sunburn may result.
Isotretinoin may impair your vision, especially at night. Be careful if you drive or do anything that requires you to see clearly.
Isotretinoin side effects
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Stop using isotretinoin and call your doctor at once if you have any of these serious side effects:
depressed mood, trouble concentrating, sleep problems, crying spells, aggression or agitation, changes in behavior, hallucinations, thoughts of suicide or hurting yourself;
sudden numbness or weakness, especially on one side of the body;
blurred vision, sudden and severe headache or pain behind your eyes, sometimes with vomiting;
hearing problems, hearing loss, or ringing in your ears;
severe pain in your upper stomach spreading to your back, nausea and vomiting, fast heart rate;
loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes);
severe diarrhea, rectal bleeding, black, bloody, or tarry stools;
fever, chills, body aches, flu symptoms, purple spots under your skin, easy bruising or bleeding;
severe blistering, peeling, and red skin rash; or
joint stiffness, bone pain or fracture.
Less serious side effects may include:
joint pain, back pain;
feeling dizzy, drowsy, or nervous;
dryness of the lips, mouth, nose, or skin; or
cracking or peeling skin, itching, rash, changes in your fingernails or toenails.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
See also: Side effects (in more detail)
What other drugs will affect isotretinoin?
Tell your doctor about all other medicines you use, especially:
steroids (prednisone and others);
seizure medication such as phenytoin (Dilantin); or
a tetracycline antibiotic such as demeclocycline (Declomycin), doxycycline (Doryx, Vibramycin), minocycline (Minocin), or tetracycline (Brodspec, Sumycin, Tetracap).
This list is not complete and other drugs may interact with isotretinoin. Tell your doctor about all medications you use. This includes prescription, over-the-counter, vitamin, and herbal products. Do not start a new medication without telling your doctor.
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Where can I get more information?
- Your pharmacist can provide more information about isotretinoin.
- Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.
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