Questions & answers

What are the risks of stem cell therapy?

P Written by: Phil Kim Medically reviewed by: Dr. Robert Aki, DPM Last medically reviewed: October 9, 2026

The main risks of stem cell therapy are the same as any injection procedure: soreness, swelling, bleeding, and a small risk of infection. Because the cells come from your own body, the immune risks of donor material do not apply.

Common, expected effects

Soreness, swelling, and bruising at the collection or injection site are common in the days after treatment. These are part of the healing response and typically resolve on their own.

Less common risks

As with any injection, there is a small risk of infection, bleeding, or injury to nearby structures. Your provider uses careful technique and reviews your history to minimize these risks.

Who is at higher risk

People with active infections, certain bleeding disorders, or health conditions that complicate procedures may face higher risk. That is why candidacy is decided individually, after a thorough review.

Informed consent, honestly given

Before any treatment, your provider explains the risks, the benefits, and the alternatives, and answers every question. If a treatment is not appropriate for you, we will tell you, and we will point you to the care that is.

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