Menu Healthy Lifestyle Diseases & Conditions First Aid Symptoms Tests & Procedures Videos Definitions FAQs PhlebitisUpdated: 2017-06-13OverviewPhlebitis may occur with or without a blood clot. It can affect surface or deep veins. When caused by a blood clot, it's called thrombophlebitis. Trauma to the vein, for instance from an IV catheter, is a possible cause. SymptomsSymptoms include redness, warmth, and pain in the affected area. TreatmentsTreatments may include a warm compress, anti-inflammatory medication, compression stockings, and blood thinners. © 1998-2023 Mayo Foundation for Medical Education and Research(MFMER). All rights reserved. Terms of Use