Dental Acne and chemical peeling 4bbd2d76 Drug of choice for nodulocystic acne is: A Tetracyclines B Azithromycin C Isotretioin D Coicosteroids High-Yield Explanation Nodulocystic acne / grade IV acne- DOC- Isotretinoin. Isotretinoin- 13 cis isomer of retinoic acid Dose :0.5-1mg/kg/ k/bwt Max cumulative dose: 120-150mg/kg/bwt