Respected user, hi I evaluated your query thoroughly.
* We require to know type , amount of swelling , which areas of body involved
   what are associated symptoms like 
joint pains , skin changes , associated
   illness like 
Diabetes or other , any pain / itching , if not objectionable alos
   clinical photograph of the swollen vein help a lot to study the case in detail
   and guide accordingly for further management.
Hope this clears your query.
Welcome for further assistance.
Thanks for using Health care magic 
Regards dear take care.