How bad is it to eat bread when I have a yeast infection?

Well, although a lot of yeast infection diet's to advise you to cut out all dietary yeast to help get rid of a yeast infection, particularly a systemic one, it is worth stating a couple of points about this.
1. The yeast in bread/beer etc is not the same as that which causes over growth in your body.
2. By the time the yeast in bread is cooked and goes through your digestive system it is not likely to infest your body - even if it was the same type of yeast as the one that grows in your body.

A yeast infection is not an invasion by a foreign organism, it is an overgrowth of one that is always present in your system. It is opportunistic, so to get rid of the yeast infection it is more important to find the underlying problem that allowed it to balloon out of control.

And then you should eat things that aid in cleaning out your system (garlic, probiotics etc) and avoid things that feed the yeast (sugar and anything readily converted to sugar in your body).

Diet does play an important part in removing a yeast infection, but it is not just a matter of needing to cut out dietary yeast.

Would you know if it was thrush?

Just a quick recap on what the symptoms are of anal thrush and what can predispose you to getting it.

Symptoms, itchy and red with a discharge. Sore when you go to the bathroom. Basically a lot like yeast nappy rash on a baby.

What are the causes of anal yeast infection?

Anything that makes you damp down there, anything that has weakened your skin around your anus.

For example, having external hemarrhoids can make it difficult to keep your anus clean. It is more damp than usual and candida bacteria (or any bacteria really) find it an ideal condition.

If you have used a quartizone cream to help reduce the inflammation in hemarrhoids then it can make your skin thin and predispose you towards damaged skin and thrush - particularly if you take it longer than your doctor recommends.

Anal intercourse also can tear the anus and create the condiditions that the candida albicans yeast likes to thrive in.

So if you are sore and swollen around your anus it is definitely worth getting your doctor to have a look. A simple cream should clear up your yeast infection, but it must be the right cream, just a normal disinfectant won't work.