If you’re dealing with knee arthritis, you know how frustrating the pain and stiffness can be. Whether it’s hard to go upstairs, take walks, or just get through your day, you’re not alone. Millions of people experience knee arthritis as they get older. If you’re exploring treatment options, you’ve probably heard of steroid injections for knee pain.
But how effective are these injections? Can they actually relieve pain, and are they safe to use more than once? In this article, we’ll take a closer look at how a steroid shot in the knee works, what the potential benefits and risks are, and what your treatment options are.
How Steroid Injections Help with Knee Arthritis Pain
A steroid injection for knee pain can reduce the pain and swelling due to arthritis. These injections are commonly used to treat knee osteoarthritis, which occurs when the cartilage in your joint wears down over time. That breakdown leads to inflammation, stiffness, and pain that can limit your mobility.
Corticosteroids, also called glucocorticoids, are the main ingredient in these injections. When injected into the knee, they work by calming the immune system response, causing inflammation.
For many people, pain may ease within 24 to 48 hours. In others, it may take a few days. The length of relief varies. Some people feel better for a few weeks, while others may experience relief for several months. However, the effects are temporary. These injections treat the symptoms, not the underlying cause of arthritis.
Doctors often recommend knee injections for osteoarthritis when other options, like over-the-counter medications or physical therapy, aren’t enough.
The Role of Corticosteroids in Reducing Inflammation
When your knee joint is inflamed due to arthritis, it becomes swollen, stiff, and painful. That’s because your immune system sends chemicals to the area that irritates it, even though there’s no infection to fight off.
Contact your doctor if you have:
- Persistent knee pain that lasts more than a few weeks
- Sudden worsening of symptoms
- Significant swelling or redness
- Difficulty bearing weight on your knee
- Pain that interferes with your sleep or daily activities
A steroid injection for knee pain mimics the natural hormones your body uses to fight inflammation. When injected directly into the joint, they calm the immune response and reduce swelling.
What makes a steroid injection for knee pain so effective is how targeted it is. Instead of taking pills that affect your whole body, the medication goes straight to the painful area. This reduces pain and inflammation in the joint without the systemic side effects of oral steroids.
In many cases, the shot also contains a small amount of local anesthetic, helping provide quick relief while the steroid takes effect. The combination reduces pain and inflammation, improving short-term joint function.
The Risks and Side Effects of Steroid Injections
While steroid injections can be effective, they do come with risks. Like any medical treatment, it’s important to understand the possible side effects of steroid knee injections before moving forward.
Some of the most common side effects include:
- Pain or swelling at the injection site (sometimes called a “cortisone flare”)
- Skin discoloration around the knee
- Temporary rise in blood sugar (especially in people with diabetes)
- Flushing or feeling warm for a few days
In rare cases, more serious complications can occur. These include:
- Joint infection (septic arthritis)
- Damage to cartilage or tendons
- Thinning of nearby bone or soft tissue
- Allergic reaction to the injection
Repeated use of corticosteroids can also lead to long-term joint damage. That’s why most doctors recommend no more than three to four knee injections for arthritis per year. Overusing steroid shots can weaken the joint and make the arthritis worse over time.
If you have diabetes, keep in mind that corticosteroids can raise your blood sugar levels temporarily. Your doctor may advise monitoring your glucose more closely for a few days after the shot.
Overall, the side effects of steroid knee injections are usually mild and go away on their own. However, it’s important to have a discussion with your doctor about your medical history before starting treatment.
How Long Does a Steroid Shot Last?
The relief from a steroid injection for knee pain varies from person to person. Some people feel better for a few weeks, while others experience several months of relief. In general, the more advanced the arthritis, the shorter the relief.
Doctors often use these shots as part of a broader treatment plan. Steroid injections can provide enough short-term relief for you to take part in physical therapy, start an exercise program, or lose weight.
Alternatives to Steroid Injections for Knee Arthritis Relief
If you’re looking for other ways to treat knee injections for osteoarthritis, you’re in luck. There are a number of options that may be more appropriate depending on the severity of your arthritis, your overall health, and your lifestyle.
Here are a few commonly recommended alternatives:
Weight Loss
Losing excess weight reduces pressure on knee joints. Even modest weight loss can lead to noticeable pain reduction.
Assistive Devices
Knee braces, walking aids, shoe inserts, or a cane can improve alignment and reduce pain during activities. They can help take pressure off your knee while walking.
Physical Therapy
A targeted exercise program can strengthen the muscles around the knee, improving stability and reducing pain. Many patients see long-term improvement from regular physical therapy.
Oral Medications
Over-the-counter pain relievers like acetaminophen or nonsteroidal anti-inflammatory drugs (NSAIDs) such as ibuprofen or naproxen can reduce swelling and discomfort. These are often used as a first-line treatment before injections.
Hyaluronic Acid Injections
These are another type of knee injection for arthritis that may help lubricate the joint. These injections, sometimes called “gel shots,” replace the natural joint lubricant that diminishes with arthritis.
Platelet-Rich Plasma (PRP)
This treatment uses components from your own blood to stimulate healing and potentially reduce inflammation in the knee.
Stem Cells
This option uses cells often made from your own bone marrow or fat tissue to regenerate damaged cartilage, reduce inflammation, and relieve pain.
Surgery
For people with severe knee arthritis who no longer get relief from conservative treatments, knee surgery such as partial or total knee replacement may be the most effective option.
Final Thoughts
At Empire Vein & Vascular Specialists, we know how frustrating knee arthritis pain can be. But you don’t have to live with the pain. Our board-certified specialists offer a full range of nonsurgical solutions to help reduce inflammation, restore mobility, and get you moving again.
We offer:
- In-depth joint evaluations with our experienced providers
- Personalized treatment plans tailored to your arthritis symptoms and related discomfort, like knee pain and aching legs
- Proven, minimally invasive options like genicular artery embolization (GAE)
- Outpatient procedures with little or no downtime
We accept most insurance plans, including Medicare, PPOs, HMOs, and IEHP. Whether you’re just starting to explore your options or looking for alternatives to surgery, we’re here to help you take the next step toward relief.
Call 1-800-KNEE-CARE or visit our website to schedule your free consultation today.