What might it signify if your forearm is swollen?

Forearm swelling can occur for several reasons, including:

Injury: Sprains, strains, or overuse (like repetitive movements) may cause swelling even without obvious trauma. Infection: Skin infections such as cellulitis can cause swelling, redness, and warmth. Lymphedema: Blockage of lymphatic drainage, often from surgery or radiation, can lead to fluid buildup. Venous insufficiency or blood clots: Poor circulation or a blocked vein may cause swelling, usually with heaviness or discomfort. Allergic reaction: Swelling from bites, stings, or contact with an allergen may appear suddenly. Systemic conditions: Heart, kidney, or liver problems can cause swelling in the limbs, though they more commonly affect both sides. Masses or cysts: Rarely, growths pressing on veins or lymph vessels may cause localized swelling.

If your forearm swelling is sudden, painful, or doesn’t improve, it’s best to consult a healthcare provider to determine the cause and appropriate treatment.