Which specific condition can Doxycycline help treat in addition to acne rosacea?

Doxycycline is a tetracycline antibiotic that is often used to treat a variety of conditions due to its anti-inflammatory properties, particularly in dermatological applications like acne rosacea. In the context of ocular surface disorders, it is found to be effective in treating meibomianitis, which is an inflammation of the meibomian glands that can lead to dry eye symptoms and other complications.

Doxycycline helps reduce the inflammation and restore normal function to these glands, promoting better tear film stability and overall ocular comfort. This makes it particularly valuable not only in treating acne rosacea, where inflammation plays a significant role, but also in managing meibomianitis.

Doxycycline is not indicated for conditions like cataracts, retinal detachment, or conjunctivitis. While these conditions affect the eyes, they do not involve the same inflammatory pathways or glandular function that Doxycycline can modulate, thus making it ineffective for treating these issues.