What is a thrombosed hemorrhoid?

Millions of people worldwide suffer from hemorrhoids. Hemorrhoids are painful and quite embarrassing condition in which a blood vessel located in the anus begins to swell and over time it can begin to protrude. There are two main types of internal and external hemorrhoids – and most people will suffer from internal type which are much more common and much less problematic for anyone who suffers from them, many people simply disappear, in fact .