Cysts is the collection of secretion of the gland which getsinflamed, if the contents of the cyst rupture into the surrounding skin. This makes them red and painful and they may discharge yellow pus. Occasionally bacteria enter the cyst and cause an infection which resembles a boil. When this happens, antibiotics have to be taken for a long period of time and minor surgery may sometimes be required to relieve that pressure and pain. KEMPS Skin Clinic is known for the best Cyst removal clinic in east Delhi Ghaziabad.