The best treatment to get rid and the best medicine for blepharitis? In the edge where's my lashes grow n eye corner itch and the lashes fall down.

Warm compresses. Lots of treatment for blepharitis and many require a prescription, but start with plain old warm compresses for 5 minutes a day. It is usually very effective.
Blepharitis. There are different causes of blepharitis - infectious, allergic, etc. To provide you the best treatment suitable to your case, you will need to discuss it with a doc.