DIPHENOXYLATE HYDROCHLORIDE AND ATROPINE SULFATE IS NOT RECOMMENDED FOR CHILDREN UNDER 2 YEARS OF AGE. Diphenoxylate hydrochloride and atropine sulfate should be used with special caution in young children because of the greater variability of response in this age group. See WARNINGS and DOSAGE AND ADMINISTRATION.
Similarly, nerve damage in the arm can cause numbness. This may include damage to the nerves in the arms, shoulder, neck, or spine. This could be the result of blood circulation being interrupted or a nerve becoming compressed.
Possible causes of arm pain include: Angina. Brachial plexus injury. Broken arm. Broken wrist/broken hand. Bursitis. Carpal tunnel syndrome. Cervical disk herniation.