Persistent inflammation, joint pain, and limited mobility can turn everyday activities into daily struggles — making it harder to work, play, sleep, or simply enjoy time with the people you love. Corticosteroid injections offer a proven, minimally invasive way to calm inflammation at its source, delivering targeted relief that helps you move better and feel like yourself again.
At Princeton Brain, Spine & Orthopedics, our fellowship-trained neurosurgeons, board-certified orthopedic specialists, and sports medicine physicians have spent nearly two decades helping patients across New Jersey and Eastern Pennsylvania find lasting relief from spine, joint, and soft-tissue conditions. When you visit our team for a corticosteroid injection, you can expect a thorough evaluation, a clear explanation of the potential risks and benefits, and a personalized treatment plan grounded in the latest clinical evidence and our patient-first philosophy of care.
What Are Corticosteroid Injections?
A corticosteroid injection is also known as a cortisone shot, a steroid injection, or a steroid shot. It is a frequently recommended treatment option for conditions that cause inflammation and pain in the body.
These injections contain a type of steroid medication called corticosteroids, which are powerful anti-inflammatory agents delivered directly into the treatment site. Corticosteroids are manufactured drugs that mimic cortisol, a hormone naturally produced by the adrenal glands. These medications temporarily suppress the immune system’s activity in order to reduce inflammation, thereby also alleviating pain.
Conditions Treated with Corticosteroid Injections
Corticosteroid injections are used to treat a variety of conditions that involve inflammation and pain. The medication is injected directly into the site of the problem to reduce swelling, decrease pain, and improve mobility in the affected area.
Some of the conditions regularly treated with corticosteroid injections include:
- Arthritis: Corticosteroid injections are often used to treat arthritis, including osteoarthritis and rheumatoid arthritis. This treatment reduces inflammation in the joints, alleviates pain, and improves joint function.
- Tendonitis: Tendonitis occurs when a tendon becomes inflamed or irritated due to overuse or injury. Corticosteroid injections can help reduce inflammation in the affected tendon, relieve pain, and promote healing.
- Bursitis: Bursitis is an inflammation of the bursae (small fluid-filled sacs that cushion the joints). Corticosteroid injections can be used to reduce swelling and pain associated with bursitis.
- Plantar Fasciitis: Plantar fasciitis is a common cause of heel pain that occurs when the plantar fascia (the band of tissue connecting the heel bone to the toes) becomes inflamed. Corticosteroid injections can reduce inflammation in the plantar fascia and alleviate heel pain.
- Rotator Cuff Injuries: Corticosteroid injections may be recommended for individuals with rotator cuff injuries, such as tendonitis or partial tears. Reducing inflammation in the shoulder joint typically relieves pain and improves range of motion.
- Sciatica: Sciatica is a condition involving compression or irritation of the sciatic nerve, which causes radiating pain from the lower back down one leg. Corticosteroid injections can reduce or eradicate sciatic pain by calming inflammation around the affected nerve root.
Corticosteroid Injection Overview
A cortisone shot is a widely recommended treatment for conditions that cause inflammation and pain. By suppressing the immune system’s activity, corticosteroids reduce inflammation and pain at the injection site, improving mobility and providing relief for a wide range of musculoskeletal problems.
The procedure for receiving a corticosteroid injection is typically quick and relatively simple. Your provider will first clean the skin around the injection site and may use a local anesthetic to numb the area. The steroid medication is then injected directly into the inflamed tissue or joint using a thin needle. You may experience some temporary discomfort during the injection, but this usually subsides quickly.
It’s important to note that while corticosteroid injections can provide significant relief from pain and inflammation, they are not always suitable for long-term use due to potential side effects such as weakening of tissues and bones. If your doctor recommends this treatment for you, they will fully outline the risks and benefits so you can make an informed decision.
Steroid shots are typically used as part of a comprehensive treatment plan that may also include physical therapy, rest, activity modifications, or other therapies, depending on your specific condition.
How Long Does a Steroid Shot Last?
The effectiveness of cortisone shots varies from person to person, typically lasting from a few weeks to a few months. For acute inflammation following an injury, the treatment should provide relief until the body fully heals. However, if you have chronic inflammation, you may notice symptoms returning over time. If you observe new or worsening inflammation, consult your provider for further evaluation and management.
How Long Does It Take for a Cortisone Shot to Work?
Individuals respond differently to corticosteroid injections, so the time it takes for a steroid shot to work will vary. Your symptoms of pain and inflammation might not improve immediately, and it could take up to a week for the shot to take full effect. If more than 10 days have passed and you still don’t feel better, it’s important to discuss this with your provider.
Recovery and Side Effects from Corticosteroid Injections
Corticosteroid injections are commonly used to treat conditions such as arthritis, tendonitis, and bursitis. Your recovery will depend on the type of problem being treated, but here are some general tips for recovering from a corticosteroid injection:
- Rest the affected area to allow the medication to work.
- Apply ice to reduce swelling and discomfort.
- Elevate the injected limb, if possible, to promote healing.
- Use over-the-counter pain relievers for any discomfort.
- Follow up with your provider for ongoing care and monitoring.
- Watch for potential side effects and contact your doctor if any develop.
- Gradually return to normal activities to avoid re-injury. Recovery time varies, so follow your doctor’s guidance for the best outcome.
Potential Side Effects
While these injections can provide significant relief from pain and inflammation, they can also carry side effects, and the risk increases with higher doses and frequent use. Potential side effects include cartilage damage, bone death, joint infection, nerve damage, facial flushing, temporary pain flare-ups in the joint, increased blood sugar levels, tendon weakening or rupture, osteoporosis, thinning of the skin and soft tissue, and skin lightening around the injection site. Due to concerns about cartilage damage, doctors typically limit the number of cortisone shots a person can receive in a single joint, depending on factors such as the joint involved, the diagnosis, and other considerations.
Consult with your provider to determine whether corticosteroid injections are an appropriate treatment option based on your individual needs and medical history. If you experience any side effects or have concerns about your steroid injection treatment, speak with your doctor about how to best manage your situation.
Why Choose Princeton Brain, Spine & Orthopedics for Corticosteroid Injections
For nearly 20 years, patients throughout New Jersey and Eastern Pennsylvania have trusted Princeton Brain, Spine & Orthopedics for advanced, compassionate care delivered by an elite team of fellowship-trained neurosurgeons, board-certified orthopedic surgeons, and sports medicine specialists. Our providers combine deep clinical expertise with image-guided precision and a patient-first philosophy — taking the time to listen, explain your options clearly, and design a personalized treatment plan that fits your goals, whether that means returning to the field, the office, or simply enjoying pain-free time with family.
With multiple convenient campuses across NJ and PA and a reputation for world-class specialty care delivered with a human touch, we’re proud to be the team patients turn to when they’re ready for lasting relief.
Ready to find out if corticosteroid injections are right for you? Contact Princeton Brain, Spine & Orthopedics today at (888) 741-7272 to schedule your consultation and take the next step toward a more comfortable, active life.