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This medication is used to treat severe cystic acne (also known as nodular acne) that has not responded to other treatment (e.g., benzoyl peroxide or clindamycin applied to the skin or tetracycline or minocycline taken by mouth). It belongs to a class of drugs known as retinoids. It works by decreasing facial oil (sebum) production. High amounts of sebum can lead to severe acne. If left untreated, severe acne may cause permanent scarring.
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| Overview |
Photos |
How To Use |
Side Effects |
Precautions |
Missed Dose |
Drug Interactions |
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Isotretinoin
Uses
This medication is used to treat severe cystic acne (also known as nodular acne) that has not responded to other treatment (e.g., benzoyl peroxide or clindamycin applied to the skin or tetracycline or minocycline taken by mouth). It belongs to a class of drugs known as retinoids. It works by decreasing facial oil (sebum) production. High amounts of sebum can lead to severe acne. If left untreated, severe acne may cause permanent scarring.
Notes
- Do not allow anyone else to take this medication.
- It can cause birth defects and other serious health problems.Laboratory and/or medical tests should be performed (e.g., pregnancy, blood cholesterol/triglyceride levels, liver function, white blood count, eye exams) to monitor for side effects.
Storage
- Store at room temperature between 59-86 degrees F (between 15-30 degrees C) away from light and moisture.
- Do not store in the bathroom.
- Keep all medicines out of reach of children and pets.
Overdose
- Symptoms of overdose may include: vomiting, stomach pain, facial flushing, headache, loss of balance.
How To Use
- Read the Medication Guide provided by your pharmacist before you start using isotretinoin and each time you get a refill.
- Read and sign a Patient Information/Informed Consent form before you start taking this medication.
- If you have any questions about isotretinoin, consult your doctor or pharmacist before taking the medication.Swallow capsules whole.
- Do not crush or chew them.
- Isotretinoin is usually taken for 15-20 weeks, twice daily with food or as directed by your doctor.
- Food helps increase absorption of this medication into your bloodstream.
- Take this drug with a full glass of water, and do not lie down for 30 minutes after taking it.Dosage is based on your medical condition and response to therapy.Your acne may worsen during the first few days of taking this drug, and it may take up to 1-2 months before you notice the full benefit of this medication.
- If severe acne returns, a second course of treatment may be started after you have stopped taking the drug for 2 months.
- The manufacturer does not recommend long-term use of isotretinoin.
- Do not take more than the recommended dose.
Side Effects
- Dry lips and mouth, minor swelling of the eyelids or lips, crusty skin, nosebleeds, upset stomach, or thinning of hair may occur.
- If any of these effects persist or worsen, tell your doctor or pharmacist promptly.To relieve dry mouth, suck on (sugarless) hard candy or ice chips, chew (sugarless) gum, drink water, or use a saliva substitute.Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects.
- Many people using this medication do not have serious side effects.Tell your doctor immediately if you have any of these unlikely but serious side effects: mental/mood changes (e.g., depression, aggressive or violent behavior, and in rare cases, thoughts of suicide), tingling feeling in the skin, quick/severe sunburn (sun sensitivity), back/joint/muscle pain, signs of infection (e.g., fever, persistent sore throat), painful swallowing, peeling skin on palms/soles.Isotretinoin may infrequently cause disease of the pancreas (pancreatitis) that may rarely be fatal.
- Stop taking this medication and tell your doctor immediately if you develop: severe stomach pain, severe or persistent nausea/vomiting.Stop taking this medication and tell your doctor immediately if you develop these unlikely but very serious side effects: severe headache, vision changes, ringing in the ears, hearing loss, chest pain, yellowing eyes/skin, dark urine, severe diarrhea, rectal bleeding.A very serious allergic reaction to this drug is rare.
- However, seek immediate medical attention if you notice any symptoms of a serious allergic reaction, including: rash, itching, swelling, severe dizziness, trouble breathing.If you notice other effects not listed above, contact your doctor or pharmacist.
Precautions
- Before taking isotretinoin, tell your doctor or pharmacist if you are allergic to it; or to soybean, peanuts, soya lecithin, or parabens; or if you have any other allergies.Before using this medication, tell your doctor or pharmacist your medical history, especially of: diabetes, family or personal history of high blood fats (triglycerides), family or personal history of psychiatric disorders (including depression), liver disease, obesity, eating disorders (e.g., anorexia nervosa), alcohol abuse, pancreatitis, bone loss conditions (e.g., osteoporosis/osteomalacia, decreased bone density).Do not donate blood while you are taking isotretinoin and for at least 1 month after you stop taking it.This medication may make you more sensitive to the sun.
- Avoid prolonged sun exposure, tanning booths, and sunlamps.
- Use a sunscreen and wear protective clothing when outdoors.Isotretinoin can affect your night vision.
- Be cautious when driving or operating any machinery after dark.If you wear contact lenses, you may not tolerate them as well as usual while using this medication.
- Contact your doctor for more information.Do not have cosmetic procedures to smooth your skin (e.g., waxing, laser, dermabrasion) during and for 6 months after isotretinoin therapy.
- Skin scarring may occur.Avoid the use of alcohol while taking this medication because it may increase the risk of certain side effects (e.g., pancreatitis).Limited information suggests isotretinoin may cause some bone loss effects.
- Therefore, playing contact or repetitive impact sports (e.g., football, basketball, soccer, tennis) may result in bone problems, including an increased risk of broken bones.
- Limited information also suggests isotretinoin may stop normal growth in some children (epiphyseal plate closure).
- Consult your doctor for more details.Caution is advised when using this drug in the elderly because they may be more sensitive to its effects, especially the effects on bones.Caution is advised when using this drug in children because they may be more sensitive to its effects, especially back/joint/muscle pain.This drug must not be used during pregnancy or by those who may become pregnant during treatment.
- If you become pregnant or think you may be pregnant, inform your doctor immediately.
- See also Warning section.You must have two negative pregnancy tests before starting this medication.
- You must have a monthly pregnancy test during treatment with isotretinoin.
- If the test is positive, you must stop taking this medication and consult your doctor immediately.It is not known if this medication passes into breast milk.
- Due to the potential risks to the infant, do not breast-feed while using this medication.
Missed Dose
- If you miss a dose, take it as soon as you remember.
- If it is near the time of the next dose, skip the missed dose and resume your usual dosing schedule.
- Do not double the dose to catch up.
Drug Interactions
- Your doctor or pharmacist may already be aware of any possible drug interactions and may be monitoring you for them.
- Do not start, stop, or change the dosage of any medicine before checking with your doctor or pharmacist first.Before using this medication, tell your doctor or pharmacist of all prescription and nonprescription/herbal products you may use, especially of: tetracyclines (e.g., minocycline, tetracycline), vitamin A-type drugs (e.g., acitretin, bexarotene), vitamin A, drugs that cause bone loss (e.g., anti-seizure drugs such as phenytoin, corticosteroids such as prednisone).Avoid use of St.
- John's wort or any other product/drug that may decrease the effectiveness of birth control pills.
- Consult your doctor or pharmacist for details.
- (See also Warning section.)
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CONDITIONS OF USE: The information in this database is intended to supplement, not substitute for, the expertise and judgement of healthcare professionals. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment.
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