TL;DR — Key Takeaways

• Some men report lower libido, and occasionally ED or genital numbness, on Accutane (isotretinoin).
• UK and Canadian regulators now list decreased libido and ED as rare side effects.
• The likely mechanism, lower testosterone or mood changes.
• Large-study evidence is mixed, no definite link proven.
• For most men it’s uncommon and usually reversible, see a doctor if it persists.

Some men report reduced libido and occasionally ED or genital numbness, on Accutane (isotretinoin), and UK and Canadian regulators list these as rare side effects. The likely mechanism is lower testosterone or mood changes. But evidence is mixed, large studies haven’t proven a clear link, and for most men it’s uncommon and usually reversible.

Accutane is highly effective for severe acne, but online forums are full of worries about its effect on sex drive. Here’s an honest, evidence-based look. (For the hormone question, see does Accutane lower testosterone; for the full overview, our complete TRT guide.)

Does Accutane Affect Libido?

For some men, it can. Reported sexual side effects include lower libido, erectile dysfunction, genital numbness, and reduced ejaculate. Importantly, this isn’t just anecdote: regulators in the UK (2017) and Canada (2024) added decreased libido and erectile dysfunction to isotretinoin’s safety information, while stressing these events are rare. So it’s a recognized but uncommon possibility, not a guaranteed effect.

Why Might Accutane Lower Sex Drive?

A few possible mechanisms:

• Lower testosterone — Some data suggest isotretinoin may reduce plasma testosterone, which would lower libido (the link explored in does Accutane lower testosterone). These are the same low testosterone symptoms seen with low T generally.
• Mood changes — Accutane is linked to depression/anxiety in some users, and low mood reduces libido.
• Nerve/other effects — Some reports describe genital numbness, suggesting nerve involvement.

The honest takeaway, the mechanism isn’t fully proven, and it likely varies by person.

What the Evidence Actually Says

Here’s the YMYL-honest part, the evidence is mixed. Regulators acknowledge rare cases, and reviews suggest isotretinoin can be associated with sexual dysfunction but large clinical studies haven’t proven a definite link. In fact, one study found no significant difference in ED or low libido between men treated with isotretinoin and those whose acne was managed without it. So the risk appears real but rare, and far from universal.

Are the Sexual Side Effects Permanent?

For the vast majority, any effects resolve after stopping the medication. A small number of people online describe persistent symptoms (“post-Accutane sexual dysfunction”), but this is debated and not well-established in the research. If you experience sexual changes that don’t improve after finishing Accutane, that’s a clear reason to see a doctor and check your hormones with the right testosterone test.

Accutane vs Other Causes of Low Libido

Don’t assume Accutane is the culprit. Low libido has many causes, stress, sleep, relationship factors, other medications, and genuinely low testosterone. If your sex drive is low, it’s worth ruling these out rather than blaming one factor. And if low testosterone is confirmed, that’s a separate, treatable issue, see whether TRT is right for you and its benefits. Persistent ED specifically is covered in erectile dysfunction while on TRT.

What to Do If Accutane Affects Your Libido

1. Don’t panic, it’s uncommon and usually reversible.
2. Tell your prescriber, they can weigh dose or alternatives.
3. Check for other causes, sleep, stress, mood, medications.
4. Test your hormones if symptoms persist after stopping.
5. See a doctor for persistent ED or numbness, don’t self-diagnose.

The Bottom Line

Does Accutane affect libido? It can in some men, reduced sex drive, and rarely ED or numbness, and UK and Canadian regulators list these as rare side effects, likely via lower testosterone or mood changes. But the evidence is mixed, no definite link is proven, and for most men effects are uncommon and resolve after stopping. If sexual symptoms persist, see a doctor and check your hormones rather than assuming the worst.

👉 If your libido is low and you’re unsure why, get clarity, check your testosterone with an at-home test kit and talk to a licensed provider.

Frequently Asked Questions

Does Accutane affect libido?

It can in some men. Reported effects include lower libido and, less often, erectile dysfunction or genital numbness. UK and Canadian regulators list decreased libido and ED as rare side effects. For most men it’s uncommon and usually reverses after stopping.

Does Accutane cause erectile dysfunction?

Rarely. ED has been reported and is listed by some regulators as a rare isotretinoin side effect, possibly via lower testosterone or mood changes. However, large studies haven’t proven a definite link, and most cases resolve after the medication is stopped.

Does Accutane lower testosterone?

Some data suggest isotretinoin may modestly reduce testosterone, which could explain libido effects, but findings are mixed and not conclusive. If you’re concerned, a blood test can check your levels. See our dedicated guide on Accutane and testosterone for more.

Are Accutane sexual side effects permanent?

For the vast majority, no, any effects typically resolve after stopping the medication. A small number report persistent symptoms, but this is debated and not well-established in research. Persistent symptoms warrant a doctor’s evaluation.

Why does Accutane affect sex drive?

Possible reasons include a reduction in testosterone, mood changes like depression or anxiety, or nerve-related effects causing numbness. The exact mechanism isn’t fully proven and likely varies by individual, which is part of why the evidence remains mixed.

What should I do if Accutane lowers my libido?

Tell your prescriber, who can review your dose or alternatives. Check for other causes like stress, sleep, and mood, and test your hormones if symptoms persist after stopping. See a doctor for persistent ED or numbness rather than self-diagnosing.

Written by the TRT NYC Editorial Team. Reviewed against current regulatory and clinical guidance (UK MHRA; Health Canada; peer-reviewed isotretinoin research). Last updated: June 2026.

Medical disclaimer: This article is for educational purposes only and is not medical advice, diagnosis, or treatment. Do not start or stop any prescribed medication without consulting the prescribing doctor. trtnyc.com is an independent informational resource, not a medical provider.