he have vascular disease
.you can take suggestion heamatologist .you can do angiography
of lt arm.
if you want to give other threpy than goes to homeopaths .in urgent you can give vipera 30 BD for 4 days .than tell me response,and told you other medicine.
I hope this answers your query.
In case you have additional questions or doubts, you can forward them to me, and I shall be glad to help you out.
Please accept my answer in case you do not have further queries.
Wishing you good health.
Dr. Neeraj gupta