Why Are My Fingers Swollen? Doctors Share Common Causes and Easy Remedies

If your rings suddenly feel too snug or you’re experiencing stiff joints, you may wonder, “Why are my fingers swollen?” While swollen fingers can occur from something as simple as a temperature change, they can sometimes indicate a more serious health concern. Here, experts break down what causes swollen fingers and when it may be time to see a doctor.

Why are my fingers swollen? 3 common causes

Some health conditions that can lead to swelling: 

Fluid retention

If your fingers are puffier than normal, it’s likely due to fluid retention. This is often linked to your diet, especially high sodium intake. “Salt makes your body hold onto extra water, which can lead to puffiness in your hands, fingers and even feet,” says Andrew Lovy, MD, a hand specialist and board-certified orthopedic surgeon at Paley Orthopedic & Spine Institute.

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He suggests drinking more water and cutting back on foods that are high in sodium—like processed meats, pickles, some soups and pizza—to reduce swelling caused by a high-sodium diet. 

Fluid retention can also come from hormonal changes (such as those during menopause) or heart, kidney or liver disease, notes Brynna Connor, MD, Healthcare Ambassador at NorthWestPharmacy.com. “Swelling from fluid retention tends to worsen progressively throughout the day or can worsen after long periods of sitting and/or standing,” she adds.

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Arthritis

Conditions like osteoarthritis and rheumatoid arthritis cause joint inflammation, which brings extra fluid to the area. Dr. Lovy says this can make fingers stiff, swollen and painful, especially in the morning.

Osteoarthritis is a degenerative joint disease caused by wear and tear of the cartilage in the joints, says Dr. Connor. Conversely, “rheumatoid arthritis is an immune system disorder in which the body mistakenly attacks the joints, leading to inflammation and pain.”

Trauma or previous injuries

Swollen fingers can also result from an injury such as sprains, fractures or bruises. “When an injury occurs, the body produces a natural inflammatory response designed to isolate the affected area to begin healing,” says Dr. Connor. 

She adds that the inflammatory response sends white blood cells to the site of the injury to help ward off infection, which is why swelling, redness or pain may occur. 

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When do swollen fingers indicate a larger health concern?

If swelling is accompanied by pain, stiffness, redness, warmth or numbness, it may indicate a more serious underlying issue, explains Olalekan Otulana, MBChB, DRCOG, a physician at Ocean Recovery Centre. “Tingling or discolored fingers can also suggest nerve compression or circulation problems,” he says. Uneven swelling (swelling in only one finger that’s not due to injury) could also indicate a health condition that warrants a visit to your doctor. 

“Swelling that occurs alongside other symptoms such as fever, unexplained weight loss and/or fatigue can be a sign of an inflammatory condition or autoimmune disease,” adds Dr. Connor.

You should see a doctor if the swelling lasts several days and you have significant pain or difficulty moving your fingers. Dr. Connor also advises looking for signs of infection, such as the appearance of pus or redness.

How to treat swollen fingers at home

Dr. Lovy says that treatment for swollen fingers depends on the underlying causes. “However, rest, ice, elevation and gentle movements are good first steps for reducing swelling and discomfort.”

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If you can, take a break from using your fingers to give them a chance to rest. You can apply ice (wrapped in a cloth so as not to damage sensitive skin) or an ice pack for 10-15 minutes at a time, says Dr. Connor. She recommends doing this several times a day, with one to two hours in between

Also smart? Raising your hands or propping them up on a pillow so that they stay elevated above your heart to help drain excess fluid. 

Finally, over-the-counter anti-inflammatory medications, such as ibuprofen, can help reduce pain and swelling. These are especially helpful if your swollen fingers are due to an arthritis flare-up, says Dr. Connor.