Yes candida can cause low iron intake (due to bad assimilation in the digestive track) and consequently secondary anemia.
Candida already makes you feel weak without having to suffer from low oxygen intake due to anemia. Oxygen is essential to get energy so the circle goes round and round into total lethargy.
I do not know how you do, at that stage, I had a lot of problems with digestion and I basically went for a juice fast (vegetables) and from there started to add up food, bit by bit. Watching for any allergic reaction.
I also did coffee enemas along to deal with my leaky gut. An enema bag/bucket is very affordable and Bowel Cleanse being an essential part of the cure you should go get one!
Here are some advices on how to improve digestion:
Shelley is a fantastic source of info, she is a nutritionist and like me, she has recovered from candida , wou should attend her forum. She always have these tips about how to make it cheap and heal candida: http://www.askshelley.com/faq.php
recovered from candida , wou should attend her forum: http://www.askshelley.com