For eye twitching..use warm water and Epsom Salt mix applied to the eye lid and see if this helps.
Also it will stop after the para's diminish.
Most people complain paragone is not very effective.
Fresh herbs are better.
Also some use organic coconut oil warmed to room temp and dropped in each eye to get parasites out. Do this right before bed or else you will be bumping into things.
It is harmless make sure everything is sterile and your hands are very clean.
If you have parasiteds in the head you willknow without a doubt they are very noisy.
The brain actually has no feeling but the external part between the skull and the skin..those you can feel and hear.