Bunions: What Causes Them, What Helps, and When Surgery Makes Sense
By Dr. Kayla Wright, DPM · 4 min read
A bunion is that bony bump at the base of the big toe, and it's extremely common, affecting roughly a quarter of adults between 18 and 65, and even more in older adults. Bunions can be painless for years or become a real source of discomfort. Here's a straight look at what causes them, what conservative care realistically achieves, and how to think about surgery.
What is a bunion?
Medically called hallux valgus, a bunion is a progressive deformity where the big toe drifts toward the second toe and the joint at its base pushes outward, creating the visible bump. Because it's progressive, bunions tend to slowly worsen over time rather than appear overnight.
What causes bunions?
Bunions result from a combination of factors:
- Genetics and foot structure. A family history and inherited foot mechanics are major contributors, this is why bunions often run in families.
- Biomechanics, such as the way forces distribute across your foot during walking.
- Footwear. Narrow, pointed, or tight shoes don't single-handedly cause bunions, but they can aggravate them and speed progression, and they contribute to the pain. Our shoes and orthotics guide explains what to look for.
The bump can also change how pressure distributes across your foot, contributing to calluses, forefoot pain, and general foot pain.
What conservative care can (and can't) do
Here's the honest part that patients deserve to hear: non-surgical treatments do not reverse or repair a bunion. What they can do is relieve pain and, in some cases, slow progression, which is often enough to manage a bunion comfortably for a long time.
Conservative measures include:
- Roomier footwear with a wide toe box to reduce pressure on the bump
- Padding and spacers to protect the area and improve comfort
- Orthoses. The evidence here is modest, some studies suggest orthotic devices can offer mild pain relief and may slightly slow progression, particularly in milder cases, but the research is limited and inconsistent, and they don't straighten the toe.
- Activity and footwear modification to reduce aggravation
For many people, especially those with mild to moderate, manageable symptoms, this is a perfectly reasonable long-term approach. Preventing aggravation with smart footwear habits also overlaps with general injury prevention.
When does surgery make sense?
Surgery is the only intervention that actually corrects the deformity, and it's typically considered when a bunion causes persistent pain, limits function or footwear, or continues to worsen despite conservative care. It's an elective decision, not usually an urgent one.
The evidence is genuinely encouraging: modern surgical techniques, including minimally invasive approaches, show good radiographic and clinical outcomes with high patient satisfaction. Minimally invasive bunion surgery has been associated with faster recovery and improved quality of life compared with traditional open surgery in recent reviews.
But an honest conversation includes the trade-offs. Bunion surgery carries the usual surgical risks, and, importantly, bunions can recur in a meaningful minority of cases (reported ranges vary, roughly 10–30% depending on technique and individual factors). Younger patients and those with joint hypermobility may be at higher risk of recurrence. Recovery takes time. This is why surgery is a decision to make thoughtfully, based on your symptoms and goals, not the appearance of the bump alone.
The bottom line
If your bunion doesn't hurt and isn't limiting you, watchful management with good footwear is reasonable. If it's painful, progressing, or interfering with your life, it's worth a professional evaluation to weigh whether conservative care is enough or whether surgical correction is the better path for you.
Get a clear, honest assessment of your bunion
Dr. Kayla Wright, DPM, is a foot & ankle surgeon who will give you a straight answer about whether conservative care or surgery is right for your bunion, and what to realistically expect. Request an Appointment.
About the author Dr. Kayla Wright, DPM, is a podiatric physician and foot & ankle surgeon serving the East Valley. Learn more at drkaylawright.com.
This article is for general educational purposes and is not a substitute for individualized medical advice.
Sources
- A Multi-Dimensional Systematic Review of Minimally Invasive Bunion Surgery (MIBS). PMC. 2025. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12028123/
- Chong A, Nazarian N, Chandrananth J, et al. Hallux valgus orthosis characteristics and effectiveness: a systematic review with meta-analysis. BMJ Open. 2021;11:e047273. https://pmc.ncbi.nlm.nih.gov/articles/PMC8375760/
- DeVries JG, et al. Unfavorable Outcomes Following Surgical Treatment of Hallux Valgus Deformity: A Systematic Literature Review. J Bone Joint Surg Am / PMC. 2019. https://pmc.ncbi.nlm.nih.gov/articles/PMC6636801/