Knuckle Pain: Cause, Treatment, and Home Remedies

Knuckle pain happens to everyone and has numerous causes and side effects. From the index finger to the middle finger, any digit on your hand may become painful and swollen.

Knuckle pain can result from damaged skin or joints, as well as underlying issues with your bones, blood vessels, and connective tissues.

Luckily, many of these causes can be treated medically or even with home remedies like compresses and Epsom salt baths.

In this article, we will explore knuckle pain causes in detail, including the related symptoms to watch out for and the possibilities for treatment both medical and natural. Prevention tips may also help you get your knuckle pain under control so that there is no swelling in the future.

What Causes Knuckle Pain?
Like many types of pain, pain in the knuckles can be triggered by multiple factors. Your knuckle pain could simply be caused by an injury or a more complicated condition such as rheumatoid arthritis. Here are some of the more common types of causes of painful knuckles.

1. Injury

Your knuckles are in an area of the body that is frequently in use. As a result, the knuckles can get injured very easily. It may be something as simple as a bruise from a whack against a banister, or you might have accidentally closed a car door on your hand, causing index finger knuckle pain. Repetitive movement can also cause knuckle injury. Injuries can cause instant knuckle pain, but they can also damage the knuckle, creating a breeding ground for issues later on that can also trigger knuckle pain.

2. Infection

Occasionally, bacteria or a virus can enter the body through an open wound and cause an infection. This includes the knuckles. The infections that can cause pain in knuckles include impetigo (infection of the skin), septic arthritis (infection of the joints), erysipelas, osteomyelitis (infection of the bones), and cellulitis (infection of the subcutaneous tissue).

3. Inflammation

Inflammation of all sorts can cause finger joint pain, and it is not limited to inflammation of the joint itself. Myositis, for example, is the inflammation of muscle tissue, and inclusion-body myositis, in particular, affects the knuckle joints. The joints can also be affected by what happens to the surrounding tendons. Tendonitis, the inflammation of the tendons, can also cause swollen knuckles.

Osteoarthritis can cause the wearing down of the cartilage between the joints of the knuckle, which can subsequently cause pain. Gout is the buildup of uric acid crystals, and can often cause painful and swollen finger joints. Rheumatoid arthritis is another common autoimmune condition that causes inflammation of the joints and knuckles.

4. Disease

There are a number of diseases that can cause pain in the knuckles. Diabetes can cause stiffness, swelling, and pain in the joints. In the case of diabetes, this knuckle pain may come and go or it might become a semi-permanent issue. Peripheral neuropathy is a disease that can cause nerve damage to your hands. This nerve damage can often cause knuckle pain.

Thromboangiitis obliterans is a condition that can cause pain in the knuckle, as it blocks blood flow and blood vessels from making their way to the hand. Raynaud’s disease, specifically, reduces the blood supply to the knuckles, which can often cause pain.

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