A small meatball on the vulva may be a reaction to a disease that requires symptomatic medication. If the problem is a common vestibular gland cyst, mainly due to chronic vulvodynia, it can be treated with anti-inflammatory drugs, such as cephalosporin and amoxicillin. You can also use potassium permanganate solution to take a sitz bath or apply erythromycin ointment to help relieve inflammation and treat the vestibular gland cysts, but if the situation is serious, it is best to take surgery in time. If the problem is caused by vulvar warts or vulvar eczema, you can use antibiotics to treat the problem, along with anti-viral treatment, which can play a role, pay attention to the best not to often stimulate the body, if there is redness, swelling, pain, you can use Bactrim to apply in a timely manner.