Phoenix Joint Guide
What do people ask when one joint keeps hurting?
People ask why the joint hurts, which home step may ease it, and when a doctor needs to look. They also want to know what a clinic treatment contains. The short answers below help you prepare for an exam. They can't tell you the cause of soreness in your joint.
Take the questions that fit you and ask them in your own words.
Why does my joint keep getting sore?
Arthritis, an old injury, or repeated strain can keep a joint sore. The ache may appear on stairs, after a walk, or while reaching. Your own doctor can examine the joint and use an X-ray when needed. Tell the doctor which movement hurts and what happens later.
What can I do at home?
Ease the movement that caused the flare, but don't stop all movement. A shorter walk, lower reach, brace, or cane may help. Ask your own doctor before using pain medicine with your other medicines. Check whether the same daily task feels easier the next day.
When does joint soreness need prompt care?
Get prompt help for fast swelling, heat, and fever. You also need care if a leg won't hold your weight after an injury. Sudden weakness or numbness needs urgent help. Loss of bladder or bowel control does too. A routine appointment can't wait when those signs begin.
What is PRP?
PRP names platelet-rich plasma, a treatment prepared from your blood. Platelets are tiny pieces found in blood. The clinic gathers more of them into a smaller amount of liquid, then puts that liquid in the sore joint. Ask what benefit the clinic expects and when it will check again.
What happens at the first clinic visit?
Licensed clinic staff ask about the soreness and examine your joint. Bring your medicine names, an older X-ray report, and a note about the movement that hurts. You can ask what care may fit, what it costs, and what recovery involves. You don't have to agree that day.
How do I choose a Phoenix clinic?
Compare the drive from your home at the time of the visit. Ask how often you may need to return and whether someone must drive you afterward. Use the full street address, not the city name, to judge the trip. Call first when an office address isn't listed.
Sources
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In a 480-patient, four-arm, multicenter randomized phase 2/3 trial, none of three orthobiologic cell injections - autologous bone marrow aspirate concentrate, autologous adipose stromal vascular fraction, or allogeneic umbilical cord tissue-derived mesenchymal stromal cells - was superior to any other, or to a corticosteroid injection control, on pain at 12 months.
Mautner K, et al. — Cell-based versus corticosteroid injections for knee pain in osteoarthritis: a randomized phase 3 trial. Nat Med, 2023. DOI: 10.1038/s41591-023-02632-w.
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A meta-analysis of 14 placebo cohorts across 13 Level I trials in 1,076 knee osteoarthritis patients found that intra-articular saline - the placebo - produced pain and function improvements exceeding the minimal clinically important difference at 3 and 6 months.
Saltzman BM, et al. — The Therapeutic Effect of Intra-articular Normal Saline Injections for Knee Osteoarthritis: A Meta-analysis of Evidence Level 1 Studies. Am J Sports Med, 2017. DOI: 10.1177/0363546516680607.
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A 2025 meta-analysis of 73 double-blind placebo-controlled injection trials in 5,895 knee osteoarthritis patients found placebo responder rates above 50 percent at 1, 3 and 6 months, declining by 12 months - which is why any uncontrolled 'our patients improved' claim from a clinic is uninterpretable.
Previtali D, et al. — Placebo response to intra-articular injections in knee osteoarthritis: magnitude, evolution over time, and influencing factors. A systematic review and meta-analysis with meta-regression. EFORT Open Rev, 2025. DOI: 10.1530/EOR-2025-0022.
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The International Society for Cell & Gene Therapy position statement holds that the acronym MSC should mean mesenchymal STROMAL cells and should only be called stem cells where rigorous in vitro and in vivo evidence of stemness exists for that specific preparation.
Viswanathan S, et al. — Mesenchymal stem versus stromal cells: International Society for Cell & Gene Therapy (ISCT®) Mesenchymal Stromal Cell committee position statement on nomenclature. Cytotherapy, 2019. DOI: 10.1016/j.jcyt.2019.08.002.
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The OARSI non-surgical management guideline evaluated 60 interventions with GRADE methodology and built its recommendations around core treatments - structured exercise, weight management and self-management education - for every patient with knee osteoarthritis, regardless of what else is added.
Bannuru RR, et al. — OARSI guidelines for the non-surgical management of knee, hip, and polyarticular osteoarthritis. Osteoarthritis Cartilage, 2019. DOI: 10.1016/j.joca.2019.06.011.
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FDA states in its consumer alert that the only FDA-approved stem cell products in the United States are blood-forming stem cells derived from umbilical cord blood, approved for disorders of the blood-forming system, and that NONE of these products - stem cells, stromal vascular fraction, umbilical cord blood, Wharton's jelly or amniotic fluid - has been approved for the treatment of any orthopedic condition, including osteoarthritis, tendonitis, disc disease, tennis elbow, back pain, hip pain, knee pain, neck pain or shoulder pain.
US Food and Drug Administration, Center for Biologics Evaluation and Research — Consumer Alert on Regenerative Medicine Products Including Stem Cells and Exosomes. , 2020.
What if the soreness doesn't settle?
QC Kinetix offers a consultation with licensed clinic staff. Its medical providers are the staff members who examine your joint and provide care. They can discuss regenerative treatments, meaning clinic care prepared from parts of your own blood and placed into the sore joint. One example is PRP, or platelet-rich plasma.
For PRP, the staff prepare your blood so more platelets sit in less liquid. Platelets are small parts of blood. This is also called concentrated PRP. Biologic therapies is a broad name for treatments prepared from your own body. The staff can explain when another kind of care may fit better.
No one can promise that a treatment will help.
Book a free consultation