<human>: doctor,  i am having a swelling in the middle of my back for more than 3 years. No pain or problems. But if pressed on the swelling, pus with bad smell comes out and swelling reduces. Again it swells in 2 or 3 months. if not disturbed, the swelling breaks it self and pus comes out. The cycle is repeating. please let me know the remedy.Thank you!
<bot>: Welcome to Chat Doctor. My name is Doctor Salem Your Lehman and I will answer your questionSwelling with pus is usually caused by an abscess formed due to infection. Since your swelling is persistent, it seems that u have a resistant strain of bacteria. If I were you doctor, I would examine the swelling and order a culture and sensitivity test of the pus to isolate the strain of bacteria causing your problem. Until the results come back u would have been put on antibiotics empirically. It is therefore recommended that you meet a doctor in person for further investigation and treatment. Wishing you a Healthy Life