Accutane is a very strong acne treatment. It can cause side effects, so patients should be aware of them before starting. Most are manageable with the right routine. Some require immediate medical attention. This guide covers both.

What is Accutane and how does it work

Accutane (isotretinoin) is an oral retinoid made from vitamin A. dermatologists prescribe it for severe nodular acne. They use it when antibiotics or topical treatments have not worked. It works by shrinking the skin’s oil glands. This cuts oil production, slows acne-causing bacteria, and reduces skin inflammation.

A standard course lasts 4–6 months. Dosing is based on body weight, and monthly blood tests and dermatologist check-ins are required throughout.

If you’re considering this medication, an Accutane online prescription on DermOnDemand connects you with licensed dermatologists who can evaluate your case and walk you through iPLEDGE enrolment before you start.

One thing to expect early on: your skin may get worse before it clears. Most patients see real improvement after 4 to 8 weeks.

Common side effects of Accutane

The common side effects of Accutane are almost entirely related to dryness. Because Accutane (isotretinoin) reduces oil production throughout the body, not just the face, you’ll likely notice it in several places at once.

Dry lips are the most commonly reported complaint across all patient groups, followed closely by dry skin, dry eyes, and nosebleeds due to dry nasal passages. Skin irritation and peeling are also typical, especially in the first few weeks.

Increased sun sensitivity is another common issue. Your skin may become more sensitive to the sun during treatment. It can burn faster and more intensely than usual. So daily sunscreen at SPF 30 or higher is non-negotiable.

Beyond dryness, muscle and joint pain affects roughly one in five patients. It’s usually mild to moderate and goes away after treatment ends. Hair loss is less common but does happen. It’s temporary in most cases, with regrowth starting after the course is complete.

These are all expected and manageable. They’re not reasons to stop treatment unless they become severe, which is rare.

Serious side effects you need to know

When patients ask what the worst side effects of Accutane are, the answer falls into four areas: mental health, pregnancy risk, organ stress, and vision changes.

• Mental health: Some patients experience mood changes during treatment, including depression and, in rare cases, suicidal thoughts. The direct causal link between Accutane and depression is still debated in the medical community. Acne itself is associated with depression, which complicates the picture. Either way, your dermatologist will screen your mental health history before prescribing and at every monthly visit. If you notice mood changes, stop taking the medication and seek care immediately.
• Pregnancy: Accutane causes severe birth defects. This is why iPLEDGE exists. It requires all patients to register before filling a prescription. Patients who can become pregnant must use two forms of birth control and complete monthly pregnancy tests throughout treatment and for one month after stopping.
• Liver and cholesterol: Accutane increases the risk of elevated cholesterol levels and puts stress on the liver. Blood work before and during treatment monitors both. Separately, some patients develop inflammatory bowel disease during or after treatment. Symptoms to watch for include persistent diarrhoea, blood in your stool, and severe abdominal pain; all of which need same-day medical attention. Nausea, vomiting, or yellowing of the skin are additional warning signs of liver involvement.
• Vision: Night vision problems can develop during treatment. In some cases, difficulty seeing in the dark doesn’t fully resolve after stopping. Any vision changes should be reported to your dermatologist immediately.
• Intracranial hypertension is rare but serious. A persistent headache combined with nausea, vomiting, or visual disturbances needs urgent evaluation. This risk increases if you’re also on tetracycline antibiotics, so always share your full medication list with your prescriber.

Managing side effects day-to-day

Most patients establish a short daily routine to keep symptoms under control. The side effects of isotretinoin are predictable enough that you can prepare before your first dose.

Skincare basics:

• Use a fragrance-free, oil-free moisturizer morning and night. Ceramide-based formulas work well.
• Apply a thick lip balm throughout the day. Petroleum-based options like Vaseline or Aquaphor protect better than standard balms.
• Wear SPF 30 or higher every day, including cloudy days and winter months.
• Skip exfoliants, retinol products, and any harsh anti-acne treatments while on Accutane.

What to avoid during treatment:

• Alcohol: It strains the liver and raises triglyceride levels.
• Vitamin A supplements: They can compound toxicity when combined with isotretinoin.
• Tetracycline antibiotics: Combined use increases the risk of intracranial hypertension.
• Waxing, dermabrasion, and laser treatments: Skin is too fragile during treatment and for six months after stopping.

If you wear contact lenses, preservative-free artificial tears help with dryness. Some patients switch to glasses for the duration of treatment.

When to call your doctor vs go to the ER

Some potential side effects need same-day attention from your dermatologist. Others require you to go directly to an emergency room.

Call your dermatologist the same day if you notice:

• A persistent headache with nausea or vision changes
• Yellowing skin or eyes
• Blood in your stool or severe abdominal pain
• Dark urine or difficulty urinating
• Unexplained bruising or bleeding
• Muscle weakness or trouble moving your arms or legs

Go to the emergency room or call emergency services immediately if you experience suicidal thoughts or any thoughts of self-harm, sudden significant changes in vision, or signs of a severe allergic reaction, such as a swollen throat or difficulty breathing.

Accutane side effects FAQs 

• Do side effects go away after stopping Accutane? Most do. Dry skin, dry lips, and muscle aches typically resolve within a few weeks to two months after finishing treatment. Sun sensitivity can persist for up to six months. Sexual side effects (including low sex drive and erectile dysfunction) can sometimes continue long-term and should be discussed with your doctor if they don’t improve.
• Is Accutane worth it despite the side effects? For most people with severe acne that hasn’t cleared with other treatments, yes. Accutane is a highly effective treatment, and most patients achieve long-term clearance after a single course. The key is consistent medical supervision and proper monitoring throughout.

Adam Mulligan, a psychology graduate from the University of Hertfordshire, has a keen interest in the fields of mental health, wellness, and lifestyle.