Post-thrombotic syndrome (also called postphlebitic syndrome) is a complication of a blood clot that forms in a deep vein. Post-thrombotic syndrome occurs because of damage to the vein caused by the blood clot (thrombosis).
Post-thrombotic syndrome can be a long-term problem that lasts for years. It can cause sores that are painful and hard to treat.
The symptoms include:
Compression stockings may be used to reduce swelling and relieve symptoms.