H00.016

Clinical Causes: Bacterial infection, particularly Staphylococcus bacteria, infecting oil glands on the eyelid Poor eyelid hygiene or infrequent removal of eye makeup, which can harbor bacteria Spread of bacteria from other skin infections or from contact with contaminated objects Crusted or inflamed eyelids contributing to bacterial invasion Use of contaminated makeup or sharing eye products with others Underlying skin conditions such as rosacea or seborrheic dermatitis

Key Symptoms: A localized, red, swollen bump on the eyelid's edge, often near the lash line Tenderness or pain in the affected area Swelling that may cause the eyelid to appear puffy Sensitivity to light or tearing Crustiness around the eyelid margin Sometimes, a small yellowish spot may be visible if the bump contains pus

Diagnosis Path: Diagnosis typically involves a physical examination of the eyelid by an eye care professional. The health provider will assess the appearance of the bump, check for signs of infection, and evaluate eyelid hygiene. In certain cases, if the diagnosis is uncertain, a sample of the lesion may be taken for bacterial culture to identify the causative bacteria. No special laboratory tests are usually necessary for diagnosis.

Treatment Protocols: Warm compresses applied to the affected eyelid several times a day to help reduce swelling and encourage drainage Good eyelid hygiene by gently cleaning the eyelid margins with mild soap or eyelid scrub wipes Avoiding rubbing or squeezing the bump, which can worsen infection or cause complications Over-the-counter pain relievers, such as acetaminophen or ibuprofen, to reduce discomfort In some cases, a healthcare provider may prescribe antibiotic ointments or eye drops if the infection persists or worsens In rare instances, if the stye is large or persistent, minor surgical intervention may be necessary to drain the lesion under medical supervision