See your doctor or dermatologist for advice if your acne fails to improve within three months or you have severe acne . Management of severe acne Treatment for severe acne requires oral treatment. Patients should be under the care of a dermatologist . Many patients will be treated with oral isotretinoin . In females, oral antiandrogens such as Diane 35 or spironolactone may be suitable long term.
Sunlight is anti-inflammatory and can help acne briefly.
However, sun exposure results in ageing skin and can eventually lead to skin cancer . New Zealand Dermatological Society.