What is tennis elbow?
Tennis elbow, or lateral epicondylitis (also called lateral elbow tendinopathy), is pain on the outer side of the elbow caused by overload of the tendon that attaches the forearm extensor muscles to the bone, mainly the extensor carpi radialis brevis. Despite the name, most people who develop it do not play tennis.
Common symptoms for tennis elbow include:
- Pain and tenderness on the bony bump on the outside of the elbow
- Pain that spreads down the forearm
- Pain when gripping, lifting, turning a door handle, shaking hands or using a keyboard and mouse
- Weak grip strength
- Stiffness in the morning
The NHS tennis elbow page and the Mayo Clinic tennis elbow guide provide more detail.
Causes and risk factors
- Repetitive gripping and wrist extension at work, such as manual trades, plumbing, painting, cooking or long computer use
- Racquet sports with poor technique or equipment
- Age between about 35 and 55
- Smoking and obesity
- Sudden increases in activity, such as DIY projects or a new sport
Diagnosis: when imaging helps
Tennis elbow is diagnosed clinically, from typical symptoms and tenderness, plus pain with resisted wrist or middle-finger extension. Imaging is not needed for most people. Ultrasound can show tendon thickening, degeneration and partial tears, and guides injections. MRI helps when symptoms persist, a significant tear is suspected, or other causes need excluding, such as joint problems or nerve entrapment (radial tunnel syndrome). Pain referred from the neck can also mimic tennis elbow.
If your elbow has hurt for more than six months despite exercise, you can send your ultrasound or MRI for a doctor review.
Conventional tennis elbow treatment
- Activity modification. Reduce or adapt the gripping and lifting that provoke pain, without complete rest.
- Exercise. Physical therapy for tennis elbow uses progressive strengthening, including isometric and eccentric wrist extensor exercises, plus shoulder and grip work. This has good evidence.
- Forearm brace (counterforce strap). May reduce pain during activity for some people.
- Pain relief. Topical or short-term oral anti-inflammatories.
- Shockwave therapy. Evidence is mixed; some people benefit.
- Steroid injection. Gives short-term relief, but the Coombes trial (JAMA, 2013) found worse one-year outcomes and higher recurrence compared with placebo injection.
- Surgery. Release or debridement of the damaged tendon for persistent, disabling symptoms after 6 to 12 months of non-surgical care. Some trials question its benefit over placebo surgery.
Regenerative options: what the evidence says
Tennis elbow is one of the most studied uses of platelet-rich plasma.
- PRP therapy: in a randomised trial by Peerbooms and colleagues (American Journal of Sports Medicine, 2010), PRP produced better pain and function scores than steroid injection at one year. A multicentre trial by Mishra and colleagues (2014) also reported benefit over a control injection at 24 weeks. Other studies show smaller or no differences, so meta-analyses rate the evidence as promising but mixed. See PubMed trials of PRP for lateral epicondylitis.
- Stem cell therapy: small pilot studies of fat-derived or other cultured cells for chronic lateral epicondylitis report improvements, but controlled evidence is lacking. See PubMed research on stem cells for tennis elbow.
- Exosome therapy: tendon research is mostly laboratory and animal based.
PRP is legal and widely used but is not routine first-line care in many public systems. Stem cell products for tennis elbow are not approved in the US, UK or Australia; the US FDA warns about unapproved stem cell therapies.
Comparing tennis elbow treatment options
| Option | When used | Evidence | Effect over time | Main downside |
|---|---|---|---|---|
| Activity change and time | First line | Strong (natural recovery) | Most settle in 6β12 months | Slow |
| Strengthening exercise | First line | Good | Builds over weeks | Needs consistency |
| Brace | Symptom relief | Limited | During activity | Does not treat cause |
| Steroid injection | Short-term relief | Good short term, worse at 1 year | Fast then fades | Higher recurrence |
| Shockwave therapy | Persistent cases | Mixed | Months | Several sessions |
| PRP injection | Persistent cases | Moderate, mixed | Gradual, may last longer | Post-injection soreness |
| Stem cell injection | Experimental | Small pilot studies | Uncertain | Unproven |
| Surgery | Persistent, disabling | Mixed | Months | Surgical risks |
Self-help for tennis elbow
- Lift with your palm facing up, and use both hands where possible
- Use thicker grips on tools and racquets, and take regular breaks
- Set up your workstation so your wrist stays neutral when typing
- Do your strengthening exercises daily, accepting mild discomfort
- Avoid repeated steroid injections as a long-term solution
Who may be a candidate for regenerative treatment?
- Tennis elbow for more than three to six months despite activity changes and an exercise program
- Tendon changes or partial tears confirmed on ultrasound or MRI
- People who prefer to avoid repeated steroid injections or surgery
- Willingness to follow a rehabilitation program afterwards
Who should not have regenerative treatment
- Elbow pain from another cause, such as arthritis, nerve entrapment or neck problems
- Complete tendon rupture needing surgical repair
- Active infection, bleeding or platelet disorders, active cancer or pregnancy
- Recent steroid injection into the elbow (a waiting period usually applies)
Risks and side effects
PRP and cell injections into the elbow commonly cause pain and swelling for several days, sometimes longer than after a steroid injection. Rare risks include infection, nerve irritation and allergic reaction. Steroid injections can cause skin thinning and loss of pigment. Cell-based treatments using your own fat or marrow add harvest-site soreness. Cells used in our programmes are prepared in ISO 9001:2015-certified partner laboratories.
What a tennis elbow treatment trip to Bangkok looks like
- Before travel: send your ultrasound, MRI or reports on WhatsApp. A doctor reviews whether a regenerative program is reasonable.
- Day 1: consultation, elbow and neck examination and ultrasound assessment.
- Day 2: ultrasound-guided injection according to the protocol.
- Following days: review and a staged forearm loading program.
Most elbow programmes need around 3 to 5 days in Bangkok. Patients travel from Australia, the UK, the US and Canada. See how it works. No outcome can be guaranteed.
Recovery and aftercare at home
- Rest the arm from heavy gripping for the first few days
- Avoid anti-inflammatory medicines for the period your doctor recommends after PRP
- Start gentle stretching, then progress to strengthening over several weeks
- Return to sport and heavy work gradually
- Update the medical team on WhatsApp; improvement usually develops over weeks to months
Increasing redness, heat or fever after an injection needs urgent medical care.
Frequently asked questions
What is the best treatment for tennis elbow?
For most people the best approach is reducing aggravating activities, a progressive forearm strengthening program and patience. Pain relief and a forearm brace can help in the meantime. Injections or surgery are considered only for persistent cases.
How long does tennis elbow take to heal?
Most cases improve within 6 to 12 months, and many settle sooner with exercise. Some people have symptoms for longer, especially if the forearm keeps being overloaded at work or in sport.
Is PRP effective for tennis elbow?
Several randomised trials report that PRP injections give better pain relief than steroid injections at one year, and some show benefit over control injections. Other trials show little difference, so the evidence is promising but not conclusive.
Are steroid injections bad for tennis elbow?
They can relieve pain for a few weeks, but a trial published in JAMA in 2013 found people who had a steroid injection had worse outcomes and more recurrence at one year than those given a placebo injection. Many doctors now use them sparingly.
Can stem cell therapy help tennis elbow?
Only a few small studies have tested cell injections for chronic tennis elbow, with some reporting improvement. Without larger controlled trials, stem cell treatment for tennis elbow is considered experimental.
How much does tennis elbow treatment in Bangkok cost?
It depends on your diagnosis, ultrasound or MRI findings and the program a doctor recommends. Send your scans and reports on WhatsApp for a free doctor review and a personalised program.
This page is general information, not medical advice, and does not replace a consultation with your own doctor. Results vary and no treatment outcome can be guaranteed. We are a patient coordination service and may receive a referral fee from partner medical providers. See our medical disclaimer and referral disclosure.
