MEDICATION

Accutane

A high-dose oral vitamin A drug for severe or scarring acne. It is the only acne treatment that can produce lasting remission after a fixed course.

Updated 10/22/2026
IsotretinoinSevere acne

Key facts

Accutane at a glance.

Used for

Severe or scarring acne

Results

Clearing builds through the course

Treatment commitment

Usually 5–8 months

Key precautions

Severe pregnancy risk; iPLEDGE and monitoring

What is it?

Top things to know about Accutane

  1. It is oral isotretinoin. It is a vitamin A derivative taken by mouth.
  2. It changes oil-gland activity. It also reduces follicle plugging and inflammation.
  3. It is for severe acne. It is used for nodular, scarring or treatment-resistant acne.
  4. Pregnancy risk is serious. It must not be treated like a topical skin product.

HOW IT WORKS

How Isotretinoin works

Isotretinoin mechanism diagram. Reduces pore clogging: Helps normalize cell buildup inside follicles. Reduces acne bacteria: Less oil makes follicles less favorable for C. acnes. Makes less oil: Shrinks oil glands and reduces their oil output. Calms inflammation: Dampens immune responses involved in acne.
Swipe across the diagram to explore the full image.Open full-size diagram
Diagram explanation and sources

Reduces pore clogging: Helps normalize cell buildup inside follicles. Reduces acne bacteria: Less oil makes follicles less favorable for C. acnes. Makes less oil: Shrinks oil glands and reduces their oil output. Calms inflammation: Dampens immune responses involved in acne.

Oral isotretinoin mechanism overview. Reduced C. acnes is an indirect effect of a changed follicular environment, not antibiotic action. The complete mechanism is not known. Gland outline is conceptual, not a measured size reduction or permanent cure.

Source 1 Source 2 Source 3 Source 4

Brands

Brands of Isotretinoin

Accutane is the former US brand name often used to refer to isotretinoin. Other isotretinoin names include the examples below; formulations and dosing are not automatically interchangeable.

Absorica

10–40 mgRx

An oral isotretinoin brand. Its labeled dosing differs from Absorica LD.

Absorica LD

8–32 mgRx

A distinct oral isotretinoin formulation. It is not substitutable milligram for milligram with Absorica.

Claravis

10–40 mgRx

An oral brand containing isotretinoin.

Myorisan

10–40 mgRx

An oral brand containing isotretinoin.

Zenatane

10–40 mgRx

An oral brand containing isotretinoin.

Sources

Strengths

Isotretinoin strengths

Isotretinoin dose is individualized by body weight and formulation. The scale below covers conventional capsule strengths of 10–40 mg. The lower-dose formulation is a different-absorption formulation with 8, 16, 20, 24, 28 and 32 mg capsules and is not interchangeable milligram for milligram. Food instructions and strict pregnancy-prevention requirements apply to the exact product.

10 mg

20 mg

25 mg

30 mg

35 mg

40 mg

Rx

A smaller capsule strength used to assemble a prescribed daily dose.

Rx

Check the brand: a 20 mg LD capsule is not automatically an equivalent substitute.

Rx

Available in this formulation; not every isotretinoin brand supplies it.

Rx

One capsule strength, not a universally appropriate daily acne dose.

Rx

A product-specific strength used in individualized dosing.

Rx

A larger capsule; the complete prescribed dose and food instructions still determine its use.

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Strength sources

Forms

Isotretinoin forms

Generic illustration of loose unmarked capsules on a white background.
Oral form

Capsule

Medicine enclosed in a hard or soft shell. Swallowing comfort and release properties vary by formulation.

How to use it

Your treatment, step by step.

How to take it

  1. 01

    When to take it

    With a fatty meal, unless you have the formulation made to work without food. Absorption of standard capsules roughly doubles with fat, so an empty stomach lowers your dose. Splitting the daily amount into two doses with meals is common.

  2. 02

    If you miss a dose

    Take it with your next meal if it is the same day, otherwise skip it. Do not double up. The total over months is what counts, and the missed dose moves to the end of the course.

Monitoring & follow-up

Liver enzymes and triglycerides are checked before you start and again during the course, usually in the early months and after a dose increase. Cholesterol and triglycerides commonly rise, then settle afterwards.

Anyone who can become pregnant is enrolled in iPLEDGE, a federal safety program requiring two forms of contraception or documented abstinence, a pregnancy test before starting, monthly tests during, and pickup inside set time windows. Miss a window and that month starts again.

Nobody stays on this drug. The course ends, and the effect on the oil gland lasts, so most people need nothing more than a topical retinoid. A smaller group needs a second course.

What to expect

How things change over time.

  1. Dry lips first, almost always

    Dry lips first, almost always. Skin dries. Acne may flare.

  2. Steady clearing

    Steady clearing. Dryness peaks and stays.

  3. Most people are clear or nearly clear
  4. Skin keeps improving for a few months, and dryness clears within weeks to a couple of months
  1. Weeks 1 to 4
  2. Weeks 4 to 12
  3. Months 4 to 6
  4. After the course
When you stop

No withdrawal and no taper — the course ends once you reach the target total dose. Dryness clears over weeks to a couple of months, and skin often keeps improving for three to six months.

Relapse is the real question. Most stay clear or much improved. About one in five needs a second course, more likely if you started in early adolescence, had very oily skin, have hormonal acne, or stopped short of the cumulative target. Pregnancy precautions continue for one month after the last capsule.

What it Pairs with

Accutane + your routine

Product or situationWith AccutaneWhat to know
PregnancyAvoidSevere birth defects and pregnancy loss. Absolute, and the reason the pregnancy prevention program exists.
Vitamin A supplementsUse careAnd high-dose cod liver oil, which add to the drug's own effects.
Donating bloodAvoidDuring treatment and for a month after — the blood could reach a pregnant recipient.
Waxing, lasers and peelsAvoidIncluding dermabrasion, during the course and usually for six months after. Skin heals differently.
Sun and tanning bedsAvoidYou burn more easily throughout.
Heavy drinkingUse careAdds to the effect on liver enzymes and triglycerides.
Tetracycline antibioticsUse careDoxycycline and minocycline included. Together they raise the risk of raised pressure around the brain, so the antibiotic stops before isotretinoin starts. Pregnancy or planning one: And breastfeeding, and the month after the course. An allergy to isotretinoin: Or to the parabens in the capsules. High triglycerides or liver disease: Until controlled. Vitamin A excess.
Side effects & when to get help

Dryness happens to almost everyone. Most other effects are dose-related and reverse after the course.

Common

Dry, cracked lips: The most reliable side effect there is.
Dry skin, eyes and nose: Nosebleeds come with it.
Muscle and joint aches: Worse after hard exercise.
Reduced night vision: Take extra care driving after dark.
Sun sensitivity: You burn faster than usual.
An acne flare in the first weeks: It settles.

Tell your doctor

Headaches that keep coming back
Low mood or anxiety: Or losing interest in things you normally enjoy.
Joint or back pain that does not go
Eye irritation: Contact lenses stop being comfortable.
Rising triglycerides or liver enzymes: Picked up on your blood tests.

Stop and get care

Severe headache with vomiting or blurred vision: Can mean raised pressure around the brain.
Severe stomach pain: Get seen the same day.
Yellowing of the eyes or skin
Thoughts of harming yourself
A rash that blisters or peels

Getting it and cost

Getting Accutane.

Cost & access

Generic isotretinoin is moderately priced; the formulations that absorb without food cost much more. The real obstacle is not cost but iPLEDGE, with monthly appointments and pickup windows to plan travel and work around.

Alternatives

Other options to consider.

Illustration: Generic oral tablet bottle and tablets.
If you want another option

Oral antibiotics

faster to start, limited to a few months, and acne almost always returns. A bridge, not an endpoint.

Spironolactone — Header Image
If you need maintenance

Spironolactone

a good long-term option for adult women, but ongoing rather than curative.

An illustrative cream tube labeled Retinoids beside a white cream swatch.
If weighing the evidence

Topical retinoids

the same drug family, far weaker, no body-wide risks. Often used after isotretinoin to hold the result.

Questions

Questions you might be asking.

Does isotretinoin cause depression?

The label warns about mood changes and some people report them. Large studies have not shown that isotretinoin causes depression, and severe acne itself is strongly linked to low mood. Mood is asked about at every visit, and any change should be reported.

Does it cause inflammatory bowel disease?

The concern came from case reports, and larger studies have not shown a clear causal link. Severe abdominal pain or bloody diarrhea still needs assessment.

Why do I need pregnancy tests if I am not sexually active?

iPLEDGE applies the same rules to everyone who can become pregnant. A program rule, not a judgement about you.

Will one course be enough?

For most people, yes. About one in five needs a second, and stopping short of the cumulative target is the most avoidable reason.

Can I drink on it?

Occasional drinking is usually fine. Heavy drinking adds to the liver and triglyceride effects already being monitored.

Why did my acne get worse at the start?

An early flare is common in the first few weeks, especially with more severe acne. It is managed, not a reason to stop.