The following symptoms and complaints may indicate postthrombotic syndrome:
- Feeling of heavy legs, especially after long periods of sitting and standing.
- Painful legs, especially after long periods of sitting and standing.
- Cramps in the calves, hardening
According to Widmer, one can distinguish the following three stages:
- Swelling of the legs, reversible (reversible)Corona phlebectatica – appearance of dark blue skin veins at the edge of the foot.
- Persistent swelling of the legs with changes in the skin such as.
- Atrophy blanche – usually painful depigmentation of the skin in the area of the lower leg.
- Eczematization – often itchy stasis eczema.
- Reddish-brown hyperpigmentation due to local hemosiderosis (increased iron deposition) in the ankle/lower leg area.
- Hyperkeratosis – excessive horn formation of the skin.
- Lipodermatosclerosis – proliferation of connective tissue and reduction of the subcutaneous fat layer, especially in the area of the ankle.
- Cyanotic skin (localized peripheral cyanosis) – purple to bluish discoloration of the skin.
- Ulcus cruris venosum (“open leg“) or scar as a secondary condition.