I don't know about Vermox since I've never used it. However, here is a little informal test for candida, below. If you don't see the candida that way it's still possible you have it some place else other than your colon, but if you do see it coming from the colon then the same method that reveals it can help kill it there.
***Enemas that reveal, & kill, Candida/Yeast
You might want to research on the web how yeast can adapt & morph after prolonged exposure to one kind of "yeast-a-cide" or another, & alternate what you use for killing it. One thing it will never adapt to are very helpful enemas using apple cider vinegar or else 3% hydrogen peroxide. (Maybe a tsp of each to each cup of filtered water, but experiment.)
It helps to put acidophilus yogurt and/or kefir into the last bag in order to replenish good flora, and to eat a bit daily. (Kefir will intensify any die off though.) Btw yogurt replaces candida to some extent and kefir eats it.
Those enemas will really help clean yeast/candida from the colon (after a bowel movement of course) but can also cause more die off. It may take a great many of them to get rid of it all but if you are like me you will start to feel like a new person when it is gone. Changing your diet is essential however and wheat, gluten and Sugar
are the worst offenders. (I personally think fresh organic fruit & dried strawberries & blueberries Ė plus you need blue things in your diet & only blueberries give it Ė do not hurt. If you want to be a total purist it may help to give up milk but I personally got my health back while drinking a lot of milk and the fruits mentioned.)
are good to follow up with after other enemas. They are great for the health, especially for the liver.