I'm very sorry for you really. that's too bad man!
I was avoiding metronidazole from the beginning cause of side effects and flaring-up candida. I'm searching for more natural alternatives if possible. Nervous damage is the least we need with our condition. I did not know it can cause this. Hm...Thanks for the advice!
Albendazole is for let's say bigger worms; in my country is also recommended for giardia in kids only. I took it 5 times with less effects. Guess is not very effective for my case but if you have pinworms or others can try. there are some relief.