Swollen and thickened fingertips can be caused by trauma, arthritis or tendinitis.
1. Trauma: Sprains, dislocations and fractures of the fingers can cause swelling and transient thickening of the fingers, accompanied by pain and limitation of movement. Usually there is a clear history of trauma, and X-ray filming sometimes reveals dislocation or fracture. Elevation of the affected limb, treatment with cold compresses, and early repositioning and immobilization can reduce the clinical symptoms.
2. Arthritis: such as degenerative osteoarthritis, rheumatoid arthritis, can lead to swelling, thickening of the finger phenomenon, and even obvious skew, deformity, X-ray filming will find that the joint space becomes narrow.
3. Tenosynovitis: If you repeat an action for a long time, it will cause tenosynovitis of fingers. Finger flexor tendon through the tendon sheath, if repeated friction can cause edema. When the disease is serious, finger flexion and extension activities are limited, and can be accompanied by obvious pain.
It is important to note that the swelling and thickening of the fingertips, should be timely to the hospital, relevant examinations, a clear diagnosis.