Can someone please help! huge bump, boil, something on my left buttock. it's becoming to painful to sit down or even walk. very tender and hot to touch.

Like title says! It hurts so freaking bad! I've applied Neosporin on it but ouch it hurts.

Required information: 28F, daily medication is metropol 25mg daily, Prozac 20mg daily and Clonazepam as needed 1mg.177lbs, 5'5 former smoker.