• 15 May, 2026
• UnityPain
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Risks of Joint Injections | Unity Pain Modesto CA

When Pain Takes Over Your Joints

Living with joint pain can feel like a never-ending battle. Whether it is your knee, hip, shoulder, or spine, the aching and stiffness can make even simple tasks feel impossible. If you have been dealing with this kind of pain for a while, your doctor may have talked to you about joint injections. These treatments can bring real relief for many people — but like any medical procedure, they come with risks you deserve to understand before making a decision.

This article is here to help you feel informed, not scared. Knowing what to expect helps you have better conversations with your care team and make choices that are right for your body and your life.

What Are Joint Injections?

Joint injections are a type of treatment where medicine is placed directly into a painful joint. The most common types use corticosteroids, which are strong anti-inflammatory medicines. Other types may use hyaluronic acid, which helps lubricate the joint, or platelet-rich plasma (PRP), which uses parts of your own blood to support healing.

The goal is to reduce swelling and pain inside the joint so you can move more easily and feel better. Injections are usually done in a clinic setting and take only a few minutes. Many people find them helpful, especially when combined with physical therapy or other treatments. However, it is important to understand that results can vary from person to person, and no outcome is guaranteed.

Common Risks You Should Know About

Most joint injections are considered safe when done by a trained medical provider. Still, there are risks with any procedure. The most common side effects are mild and tend to go away on their own. These can include:

• Temporary pain flare: Some people feel more pain in the joint for a day or two after the shot before things improve.
• Swelling or bruising: The area around the injection site may swell or bruise briefly.
• Skin color changes: A small patch of lighter skin may appear near the injection site, especially with corticosteroid injections.
• Bleeding: Minor bleeding at the injection site is possible, especially if you take blood thinners.

These side effects are usually short-lived. Most people are able to return to light activities within a day or two. It helps to rest the joint for a short period after the injection and to follow your provider’s instructions closely.

Less Common but Serious Risks

While serious problems from joint injections are not common, they can happen. It is important to be aware of these so you can watch for warning signs and contact your provider right away if something does not feel right.

One of the more serious risks is infection. Any time a needle enters the body, there is a small chance of introducing bacteria into the joint. Signs of infection include increasing redness, warmth, swelling, and fever. If you notice these symptoms after a joint injection, seek medical care right away. Providers take careful steps to keep the injection site sterile, which greatly lowers this risk.

Another concern is nerve or tissue damage. If the needle accidentally touches a nerve or nearby structure, it can cause numbness, tingling, or weakness. This is rare, especially when the injection is guided by imaging such as ultrasound or fluoroscopy. There is also a small risk of tendon weakening if a steroid injection is placed too close to a tendon, which is why placement matters so much.

Risks Related to Repeated Steroid Injections

Corticosteroid injections can be very effective, but getting too many of them over time can cause problems. Steroids can break down cartilage — the cushioning inside your joints — if used too frequently. This is why most providers limit how often these injections are given in the same joint.

Repeated steroid use can also affect blood sugar levels, which is especially important for people with diabetes. Even a single injection can cause a temporary spike in blood glucose. If you have diabetes, make sure your provider knows so they can monitor you closely. There may also be effects on bone density over time with very frequent steroid use.

Your provider will weigh these risks against the benefits of treatment for your specific situation. The goal is always to give you the most help with the least amount of risk.

Who May Not Be a Good Candidate

Joint injections are not right for everyone. Certain health conditions or medications may increase your risk of complications. You may need to wait or choose a different treatment if you:

• Have an active infection in or near the joint
• Have a bleeding disorder or take blood-thinning medications
• Have poorly controlled diabetes
• Are pregnant or may be pregnant
• Have had a recent joint replacement in the area to be injected
• Have allergies to the medications used in the injection

This is why a full medical evaluation before any injection is so important. A good provider will review your health history, current medications, and symptoms to decide if an injection is safe and appropriate for you. Never feel rushed into a procedure without having your questions answered first.

Making an Informed Decision With Your Care Team

Understanding the risks of joint injections does not mean you should avoid them — it means you are empowered to have a real conversation with your provider. Ask about the type of injection being recommended, how many are planned, and what imaging will be used to guide the needle. Ask what to watch for afterward and who to call if something does not feel right.

At Unity Pain Management in Modesto, CA, the care team takes time to review your full health picture before recommending any injection. They work with most major insurance plans, making it easier to get the evaluation you need without added stress. If joint injections are right for you, they can be done as part of a broader pain management plan that may also include physical therapy referrals, medication management, and other supportive care.

You deserve care that is thoughtful, honest, and built around your needs. Pain relief is possible — and getting there safely starts with being informed.

References

• Kompel, Andrew J. et al. “Intra-articular Corticosteroid Injections in the Hip and Knee: Perhaps Not as Safe as We Thought.” Radiology. 2019.
• Charalambous, Charalambos P. “Intra-articular Corticosteroid Injection of the Knee.” British Medical Journal Clinical Evidence. 2010.
• National Institute of Arthritis and Musculoskeletal and Skin Diseases. “Corticosteroids.” National Institutes of Health. 2023.
• Mayo Clinic Staff. “Cortisone Shots.” Mayo Clinic. 2023.
• Wernecke, Chlodwig, et al. “The Effect of Intra-articular Corticosteroids on Articular Cartilage: A Systematic Review.” Orthopaedic Journal of Sports Medicine. 2015.