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.
Hyperventilation, or rapid breathing, which can cause tingling in the fingers and around the mouth by lowering the level of carbon dioxide in the blood stream. This is usually associated with an anxious or panicky feeling. Vitamin B-12 is essential to normal nerve function, so low levels of this can cause tingling.