First MTP Joint Arthritis: Symptoms & Treatment

If your big toe has gotten stiffer over the years, hurts more when you push off during a step, and certain shoes have started to feel wrong, that's usually not "getting older" — it's arthritis in a very specific, very overworked joint.

What the first MTP joint actually does

The first metatarsophalangeal (MTP) joint sits at the base of your big toe, where the first metatarsal bone meets the toe bone. Every time you walk, run, or push off the ground, this joint bends and bears a disproportionate share of your body weight — which is exactly why it's one of the most common joints in the foot to develop arthritis.

What it feels like

The pattern is fairly consistent across patients:

• Stiffness and pain at the base of the big toe, worse with push-off
• Swelling around the joint
• A grinding or catching sensation when the toe moves
• A visibly enlarged or bony-feeling joint as it progresses
• Shoes that used to fit fine now feel wrong at the toe box

Left unaddressed, the toe often stiffens further — a condition sometimes called hallux rigidus, the advanced end of the same process — and people unconsciously change their gait to avoid bending it, which can cause pain to show up elsewhere in the foot or leg.

What causes it

Three things drive most cases:

• Osteoarthritis — ordinary wear-and-tear from decades of weight-bearing use, the most common cause by far.
• Rheumatoid arthritis — an autoimmune condition that can target this joint specifically.
• A prior injury or structural issue — an old toe injury, or a bunion that's changed how the joint tracks, both accelerate wear.

How it's diagnosed

A physical exam checking the joint's range of motion and pain response, combined with an X-ray to see the actual joint space and any bone spurs, usually confirms it. The X-ray also tells us how advanced it is, which shapes which treatments make sense.

Treatment, from conservative to surgical

Most people start — and many stay — in conservative treatment for years:

• Footwear changes. A stiff-soled shoe or one with a rocker-bottom sole reduces how far the joint has to bend with every step, which directly reduces pain.
• Orthotics. Custom orthotics redistribute pressure away from the joint.
• MLS laser therapy. Reduces inflammation and pain without medication, and fits well alongside footwear and orthotic changes rather than replacing them.

When conservative care stops keeping pace with the pain, surgical options range from a cheilectomy — cleaning out bone spurs and damaged cartilage while preserving the joint — in earlier-stage disease, to a fusion (arthrodesis) in advanced cases, which reliably eliminates the pain at the cost of permanently stiffening the toe. Which one makes sense depends entirely on how advanced the joint damage is on imaging, not just how much it hurts.

Living with it day to day

Between appointments, the biggest lever most people have is footwear — a shoe that doesn't force the joint through its full range of motion with every step meaningfully changes daily pain, even before any other treatment is added.