A bunion is a bony bump that forms at the base of the big toe, where the toe meets the foot at the metatarsophalangeal (MTP) joint. This joint gradually shifts out of place, causing the big toe to angle toward the second toe. As the misalignment worsens, a visible lump develops on the inner side of the foot.

Bunions are very common. It’s estimated that about one in three Americans has a bunion. The condition often gets worse over time, especially without proper footwear or early intervention. While the big toe is usually affected, there are other forms of this deformity:

• Juvenile bunions can develop in children and teens.
• Congenital bunions are present at birth.
• Bunionettes, also called “Tailor’s bunions,” appear on the outside of the foot at the base of the little toe.

Early evaluation and proper bunion treatment can help slow the progression and relieve discomfort.

Bunions usually form over time due to long-term pressure and problems with foot structure or movement. Several common factors can lead to a big toe bump and ongoing bunion pain:

Genetics and Foot Structure

Bunions often run in families. If you inherit a foot type with flat arches, loose tendons, or other structural traits, you're more likely to develop bunions. In fact, over 70% of people with bunions have a family history of the condition.

Foot Mechanics

How you walk matters. Abnormal gait patterns or poor weight distribution, like overpronation, can put excess pressure on the joint at the base of your big toe. Over time, this can shift the toe outward and lead to bunion formation.

Fitting Footwear

Shoes that are too narrow, tight, or high-heeled push the toes together and crowd the joint. Years of wearing footwear that doesn’t allow room for natural toe movement can force the big toe inward and worsen the deformity.

Arthritis and Inflammation

Certain inflammatory conditions, such as gout or rheumatoid arthritis, place added stress on the joint. These diseases can break down cartilage and tissue, which makes bunion pain more severe and the bump grow faster.

Foot Injuries or Deformities

Past trauma, neuromuscular conditions, or deformities present from birth can all affect joint alignment and stability, increasing your risk for bunions.

Occupational Factors

Jobs that require long hours of standing, walking, or pressure on the forefoot, such as retail, nursing, or professional dancing, can speed up bunion development.

The most notable symptoms for bunion include:

• Visible bump on the inside of the foot at the base of the big toe, often firm and painful
• Big toe angling toward the second toe, sometimes overlapping it
• Achy, sharp, or burning pain, especially when walking or wearing shoes
• Redness and swelling around the big toe joint
• Stiffness or difficulty bending the big toe; possible catching sensation
• Corns or calluses between the toes or on the bunion from rubbing
• Numbness or tingling near the bunion due to nerve pressure

Bunion treatment usually begins with non-surgical methods to relieve pressure, reduce inflammation, and improve foot function. These options aim to ease bunion pain and slow progression:

• Footwear and Padding: Switching to shoes with a wide, deep toe box helps reduce pressure on the big toe bump. Non-medicated cushions or pads can protect the bunion from rubbing.
• Orthotics: Custom or over-the-counter inserts support the arch and improve alignment. A podiatrist may also recommend toe spacers to help reposition the big toe.
• Medication and Ice: Over-the-counter NSAIDs help reduce joint pain and swelling. Ice packs (wrapped in a towel) applied for 10–20 minutes at a time can further ease inflammation.
• Corticosteroid Injections: When NSAIDs and ice aren’t enough, a corticosteroid injection near the joint can provide fast relief from intense inflammation.
• Physical Therapy: Toe and foot exercises can improve flexibility and support. A physical therapist may teach you targeted stretches and strength movements for better foot mechanics.
• Protective Splints or Taping: Night splints help hold the toe in a straighter position, while taping can support joint alignment during the day.
• Surgery (Bunionectomy): If non-surgical care fails and pain remains severe, surgical bunion correction may be needed. A foot surgeon can realign the toe joint, remove the bump, and restore function. Most patients return to daily activities within a few months after surgery.