Is the same stye persisting or are you getting frequent styes? If it is the same stye, it is now formed a cyst called Chalazion and needs surgery to get rid of it. If frequent styes are coming and going it may be due to eye strain, some small refractive error. Needs an eye surgeon consult. Maskati eye clinic Opposite Charni road station east, Mumbai

Stye is an infection in the lid margin at the base of a hair follicle. You have to take a course of systemic antibiotics for that. Most importantly good hand hygiene and good local hygiene must be maintained.