What is cellulitis?
Cellulitis is a bacterial infection of the skin and underlying tissues.
What are the types and causes of cellulitis that affects the eye?
- Preseptal Cellulitis - the infection affects the eyelid. Causes can include bug bite, trauma, chalazion or hordeolum/stye.
- Postseptal/Orbital Cellulitis - the infection affects the eyelid as well as tissues further back around the eye. The most common cause is a sinus infection.
What are the symptoms of cellulitis?
- Preseptal cellulitis
- Eyelid swelling
- Postseptal/Orbital cellulitis
- Symptoms associated with preseptal cellulitis
- Pain with eye movement
- Decreased vision
How is cellulitis diagnosed?
Cellulitis is typically diagnosed following a complete history and eye examination. If there is concern for postseptal/orbital cellulitis, then a CT scan may be needed.
What is the treatment for cellulitis?
- Preseptal Cellulitis - Oral antibiotics.
- Postseptal/Orbital Cellulitis - Intravenous antibiotics. Surgery is sometimes needed if an abscess has formed.