Does High-dose Accutane Really Potentially Cause Rosacea?

I know that low-dose isotretinoin (accutane) 5mg-20mg daily helps treat rosacea. But, I've also heard but never saw any study that high-dose accutane can actually cause rosacea? Is this true? If so, what would be considered high-dose, 2mg/kg or more daily? I'm meaning high-dose as in potentially causing rosacea.

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2 Doctor Answers | Asked by Chandler5732 in Chandler, AZ

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Accutane

As a dermatologist prescribing Accutane for the last 20 years, I have never needed more than 2 mg/kg . I would caution use in that dose range. To date, I have never seen Accutane cause Rosacea.

Steven Hacker, MD

3 reviews

West Palm Beach Dermatologic Surgeon

Can high-dose Accutane cause rosacea?

It's not known what causes rosacea. We do however know what makes it worse, such as anything that irritates or warms up the face. The primary problem in rosacea is instability of the facial (and occasionally neck and chest) blood vessels, which dilate readily and close sluggishly. That being said, the dryness that is part of Accutane treatment can potentially irritate rosacea-prone skin. So making sure that no other irritants touch your face and using an oil-free,... more