Aetiology
Strain or sprain of the interphalangeal joint of the finger is most commonly caused by a sudden force or trauma to the joint, such as a fall or impact. It can also be caused by repetitive motions such as typing or gripping objects.
Diagnosis
Diagnosis of strain or sprain of the interphalangeal joint of the finger is made by physical examination, medical history taking and imaging such as X-ray or MRI.
Differential diagnosis
Differential diagnoses of strain or sprain of the interphalangeal joint of the finger include tendonitis, ligament sprain, fracture or dislocation.
Treatment
Treatment of a strain or sprain of the interphalangeal joint of the finger typically includes rest, ice, compression and elevation (RICE). Pain medications and anti-inflammatory medications may also be prescribed. Physical therapy may be recommended to help restore strength, motion and flexibility. In some cases, surgery may be necessary to repair the joint.
Prognosis
The prognosis for a strain or sprain of the interphalangeal joint of the finger is usually good, with full recovery expected within 4-6 weeks. Complications such as infection or chronic pain are rare, but can occur.