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Steroid Injections

Steroid injections are a type of treatment that delivers a high dose of medication directly to a problem spot in the body. Corticosteroids can help reduce inflammation. Injections can be helpful in treating conditions like tendinitis or bursitis.

Overview

What are steroids?

Steroids (short for corticosteroids) are man-made drugs that closely resemble cortisol, a hormone that your adrenal glands produce naturally. Corticosteroids are different from the male hormone-related steroid compounds that some athletes abuse.

Steroids work by decreasing inflammation and reducing the activity of the immune system. Steroids are used to treat a variety of inflammatory diseases and conditions.

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Why are steroids injected?

Injecting steroids into one or two local areas of inflammation allows doctors to deliver a high dose of medication directly to the problem area. When doctors give steroids by mouth or intravenously, they cannot be sure an adequate amount of the steroid will eventually reach the problem area.

What conditions are treated with steroid injections?

Steroids are often injected directly into joints to treat conditions such as rheumatoid arthritis, gout or other inflammatory diseases. Steroids can also be injected into inflamed bursae (bursitis), or around inflamed tendons (tendinitis) near the shoulder, elbow, hip, knee, hand or wrist.

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What role do steroid injections play in an overall treatment program?

Steroid injections can be added to a treatment program that may already include analgesics (pain medications), anti-inflammatory medications, physical therapy, occupational therapy, and/or supportive devices such as canes and braces. Whether one or more of these treatment methods are used depends on the nature of the problem. For example, in an otherwise healthy individual, tendinitis may be adequately treated with only a local steroid injection. However, in a patient with rheumatoid arthritis, injections are generally a small part of a multi-faceted treatment approach.

Procedure Details

How are steroids given?

Steroid medications are available in several forms that vary in how easily they dissolve or how long they stay in the body.

Steroids may be given systemically, which means throughout the system or body, or locally to the precise place where a problem exists.

Systemic steroids can be given either through a vein (intravenously), into a muscle (intramuscularly) or by mouth (orally). Local steroids can be given as eye drops, ear drops, or skin creams and by direct injection into joints, bursae (lubricating sacs between certain tendons and the bones beneath them), or around tendons or other soft tissue areas.

The steroid is injected with a syringe and small needle into the targeted area. There is generally some form of anesthesia beforehand with lidocaine or a spray. Some brief and typically minor pain with the procedure is common. The degree of pain will vary on the location of the shot and the individual patient.

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When should steroid injections not be used?

Steroids should not be injected when there is an infection in the area to be injected or elsewhere in the body. If a joint is already severely destroyed, injections are not likely to help.

Before a joint is injected with a steroid, joint fluid may be removed for testing. Testing the joint fluid is especially important if the diagnosis is uncertain. Steroid injections often reduce joint inflammation, helping preserve joint structure and function.

If a patient has a potential bleeding problem or is taking anticoagulants (often referred to as blood thinners), steroid injections may cause bleeding at the site. For these patients, injections are only given with great caution.

Frequent steroid injections, more often than once every three or four months, are not recommended because of the increased risk of weakening tissues in the treated area.

Risks / Benefits

When will my doctor prescribe steroid injections?

The decision to prescribe steroids is always made on an individual basis. Your doctor will consider your age, physical activity and other medications you are taking. Your doctor will also make sure you understand the potential benefits and risks of steroid injections.

What are the expected benefits of steroid injections?

The main benefits to the patient are to decrease pain and increase function. Steroid injections often reduce joint inflammation, helping preserve joint structure and function.

Local injections are generally well-tolerated and are less likely to produce serious side effects than other forms of steroid medications.

Steroid injections may help avoid the need for oral steroids or increased doses of oral steroids, which could have greater side effects.

What are the potential disadvantages of steroid injections?

Steroid injections are one of the most effective ways to decrease pain and improve function, yet they generally do not cure the illness.

Some brief and typically minor pain at the time of the injection is common.

In rare instances, the following side effects might occur:

  • Infection.
  • Allergic reactions.
  • Local bleeding.
  • Rupture of a tendon.
  • Prolonged pain.
  • Skin discoloration.

Excessively frequent, repeated injections into the same area can cause the bone, ligaments and tendons to weaken.

Recovery and Outlook

Does everyone have side effects?

Not everyone will develop side effects. How often any side effect occurs varies from patient to patient. If steroid injections are infrequent (less than every three to four months), it’s possible that none of the listed side effects will occur.

Medically Reviewed

Last reviewed on 01/20/2020.

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