I can definitely say you have Tapeworm infection. Many pilonidial cyst are caused by Tapeworm cyst.
Drink 2 oz. Of ozinated olive oil. One dose kills all Tapeworm in gut. Get a hq5 zapper from precisionherbs.comy $400 to fry the rest of the parasites in your tissues and take 4 caps ofof divestacyst daily for 2 weeks, also from precision and you'll be fine.