K im pretty sure i got a small case of cellulitis on my ass...haha. well...2 weeks ago, in my quad it was like this, but WAY MORE painful. went away in 12-13 days. So im gonna take ibeprofen 600mg as an anti inflamatory, and maybe get some benadryl (anyone kno anything good)...and watch if it spreads, so far it hasnt spread, but its not going away and its VERY irritating..weird thread, but just want to kno if benadryl will help a lil, and what kind should i look for...AND what usually causes this during injection process.