A blocked lymphatic system
Lymphedema can occur after surgery, cancer treatment, or an infection. It often manifests as:
A feeling of tightness or pressure
Thickening of the skin
Reduced mobility
It usually affects one arm or one leg.
Certain medications
Yes, common medications can also cause swelling:
Medications for high blood pressure (such as calcium channel blockers)
Corticosteroids
Hormone therapy
Diabetes medications
Never stop taking medication without medical advice—talk to your doctor if you have any doubts.
A reaction to an injury
Sprain, insect bite, infection… The body naturally reacts with local inflammation:
Swelling
Redness
Pain or heat
In this case, the affected area is well-defined, and the symptom often appears suddenly.
And during pregnancy?
Slight swelling of the hands or feet is perfectly normal, especially in late pregnancy. But be aware:
If it is sudden, asymmetrical, or accompanied by headaches or high blood pressure, it could be a sign of preeclampsia. In this case, you should consult a doctor immediately.
