<unk>  or<unk>  is a physical condition that causes a person to produce tears that are partially composed of blood. It can manifest as tears that are anything from merely red-tinged to appearing to be entirely made of blood.<unk>  is a symptom of a number of diseases, and may also be indicative of a tumor in the lacrimal apparatus. It is most often provoked by local factors such as bacterial conjunctivitis, environmental damage or injuries. Acute<unk>  can occur in fertile women and seems to be induced by hormones, similarly to what happens in endometriosis. __TOC__
Haemolacria
Rectovestibular fistula
Nasal vestibulitis
Dacryocystitis
Blepharitis
Mastoiditis
Funisitis
Vulvar vestibulitis