What are first and second line therapies for cellulitis?,”Staph and GAS1. Cephalexin2. Clinda June 22, 2017 mfadmin Medicine Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review. What are first and second line therapies for cellulitis?,”Staph and GAS1. Cephalexin2. Clinda Vanco”