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.
Nerve Damage Damaged or inflamed nerves may cause numbness. 1  Diabetes can cause peripheral nerve damage, leading to peripheral neuropathy â usually in the feet, toes and fingers. 2  Skin problems may also cause numbness. 3  Burns (and radiation therapy) may destroy nerve fibers, leading to numbness.