What is hand swelling (unilateral)?
A person with unilateral hand swelling has a collection of fluid in the tissue beneath the skin of one hand. Causes of unilateral hand swelling include angioedema, cellulitis, deep venous thrombosis, tenosynovitis, tendinitis, and arthritis.

What are the symptoms of hand swelling (unilateral)?
Symptoms of hand swelling (unilateral) depends on the underlying cause. Symptoms that may be associated with hand swelling include hand numbness, hand pain, skin redness, skin tenderness, fever, and arm or wrist swelling.

How does the doctor treat hand swelling (unilateral)?
Treatment of hand swelling (unilateral) depends on the underlying cause. Treatment may include rest, elevation, warm or cold compresses, antibiotics, corticosteroids, and nonsteroidal anti-inflammatory medications. Some may require surgery.