Talk to Dermatologist on Acne Pimple Got Swollen With Pain. Infection

Dear Doctors, Asalam Alaikum, I have acute acne and was on occutane med for 4 months and stopped due to the side effects as it clot the pus inside the skin for pimples which didn't appeared outside causing hard pea sized mass inside the skin. Now I got some acne pimple which are releasing pus, swollen and due to swell disturbing other organs aside it such as veins and nerves. Very painful. Please kindly let me know the cure for it. It's really paining since 4 days. Please help me. Thank you With regards, Amir S. A.