Sudden finger swelling may be caused by trauma, mosquito bites or tenosynovitis.
1. Trauma: after the patient’s finger is injured by external force, it may be due to capillary damage at the injured area, intertissue fluid reflux can’t be refluxed, acute inflammation and other conditions that lead to sudden swelling.
2. Mosquito bites: mosquito bites can lead to insect bite dermatitis, various types of mosquitoes through their mouthparts to puncture the skin and saliva, venom and other substances into the skin, these substances can cause skin allergic reaction and lead to skin inflammation, the patient may appear itching, swelling and pimples and other symptoms.
3. Tenosynovitis: Finger joints are the joints that are used more frequently in daily work and life. Chronic strain, trauma or infection over a long period of time can lead to inflammation of the tendon sheaths of the joints and cause symptoms such as swelling, pain and tenderness.
Sudden swelling of the fingers may also have other causes, it is recommended that patients with this symptom go to the orthopedics, dermatology and other related departments of regular hospitals for detailed consultation.