Hi Dear !! Thanks for your query to HCM . Read and reviewed your query and health concerns. My opinion- IN the given situation, You seems to be having-TOS-V-(Thorasic Outlet Syndrome)with Venous Obstruction,with Nerve Compressions of Brachial plexus-which needs to be confirmed by physical checks with your family Physician. The achy and hot feeling in arms is from Nerve compression and from engorged veins and arteries supplying arm. Other causes of veins getting visible- needs to be ruled out,before start of any treatment. Do Suggested- consult and check with family physician . Tab Motrin-1 x 2 times per day. Tab Gabapentin-1-3 times a day x 5 days Tab Neurobion-Fort-1-2 times a day x 5 days If no relief-Consult Vascular Surgeon- Get Chest-X-ray and CT Study done. Get Opinion with Vascular Surgeon,after consults from family physician. Consult Vascular Surgeon ,who would investigate further and would treat you accordingly, for worsening arm veins. You may need some physiotherapy first. And you may be advised-Decompression Surgery-to relieve obstructing muscle / or to increase the boney outlet of thorax. Other causes of Visible veins,needs to be verified and ruled out, before giving any treatment to you. Hope this would help you to plan further of this complex illness of yours. If need be, update any health issue 24 x 7 by a direct question to ME, at following HCM link-http://doctor.healthcaremagic.com/Funnel?page=askDoctorDirectly&docId=70229 Dear, if satisfied,Don t forget to close this query with YOUR pleasing feedback comments to rate this reply and service, to boost the morale of incoming Emergency patients like YOU, at HCM services. If you want to update more details and ask more update queries , You are most Welcome herewith !! Good Day!! Wishing Good Healthy Life in time to come!! Dr.Savaskar M.N. Senior Surgical Specialist M.S.Genl-CVTS