BRAND NAME: Lomotil, Lofene, Lonox. DRUG CLASS AND MECHANISM: Lomotil is a combination of two drugs, diphenoxylate and atropine. It is used to treat acute diarrhea (diarrhea of limited duration). Diphenoxylate is a man-made narcotic chemically related to meperidine (Demerol).
Causes of Numbness in Fingers. Carpal tunnel syndrome: damage to the nerves in the arm can cause the fingers to become numb or experience a tingling sensation. A common cause of this nerve damage is carpal tunnel syndrome, a condition that causes a nerve to become pinched between the ulna and radius in the arm.
1. Carpal Tunnel Syndrome. If you experience numbness in your fingers and thumb, this may be due to carpal tunnel syndrome, a condition that occurs due to the narrowing of a tunnel made by your wrist bone. The media nerve passes through this tunnel and is compressed due to cramped space. This results in numbness in the index finger, middle finger, and the thumb.