This was recommended and prescribed by my Physician. The dosage depends on how much acne you have, you can start seeing the difference in a period of a month, that's when the side effects also starts to get serous. Some of the side effects wears off as your system gets used to the pill.

Your skin becomes sensitive to Skin products and to the sun.
It is advisable to use products that are meant for sensitive skin, that includes the suncreen.

Your lips will crack, the only lip moisturiser that is able to help is the Vaseline lip Therapy the Cocoa butter flavoured is the best. You have to moisturise your lips as many times as you can
You should never fall pregnant when taking Oratane, when you have completed your treatment, you should wait about 6 months before trying to fall pregnant.

The best and easy treatment I have tried to clear the acne from face