Injuries/Trauma: Swelling and pain in the area can occur due to falls, blows, muscle strains, or ligament injuries.
Arthritis: Degenerative diseases such as osteoarthritis or rheumatoid arthritis cause persistent swelling and pain in the joints.
Infections: Bacterial infections can cause swelling under the skin or in the muscles (for example, cellulitis). The area may feel warm and red when touched.
Overuse: Continuous overuse of the same muscle or joint (for example, strenuous work or exercise) can cause swelling in that area.
Repetitive Strain: Working in the same position for long periods of time (computer use, washing dishes) can cause swelling in the wrists or other areas.
Allergies: Insect bites, certain medications, or foods can cause swelling in the body.
Gout: When the level of uric acid in the blood increases, severe swelling and pain occurs in the joints, especially in the toes.
