It doesn't sound like pinworms (enterobius), it sounds like threadworms (strongyloides). They are the ones that disseminate throughout your body. It's a serious disease. I know because I have it. I've done two rounds of Humaworm, and the last one just seemed to make them mad, and now I have sores all over one arm that won't heal.
I'm going to do the Ivermectin/Albendazole protocol someone here mentioned.
You can read my blog and see what I've found that helps.