What are Trigger Point Injections? 

Trigger point injections are a minimally invasive procedure used to treat localized muscle pain and spasms. A trigger point is a small, tender knot that can develop within a muscle or the surrounding connective tissue (fascia). By injecting a mixture of local anesthetic and/or other medications directly into these trigger points, the procedure can help to relax the muscle and alleviate the associated pain. 

How are Trigger Point Injections Performed? 

To perform a trigger point injection: 

1. 1. The patient is positioned comfortably, and the physician uses their hands to palpate the muscle and locate the specific trigger point. 
2. 2. Once the trigger point is identified, the overlying skin is thoroughly cleaned. 
3. 3. A topical anesthetic may be applied to temporarily numb the skin. 
4. 4. The physician carefully inserts a small needle directly into the trigger point. 
5. 5. An anesthetic mixture, such as lidocaine or bupivacaine, is injected into the trigger point. This causes the muscle to relax. 
6. 6. If the trigger point does not fully relax after the initial injection, the physician may adjust the needle position and administer additional injections as needed. 
7. 7. Once the procedure is complete, the needle is removed, and a small bandage may be placed over the injection site. 

What Supplies and Medications are Used for Trigger Point Injections? 

The key components for trigger point injections include: 

• – Local anesthetic (e.g. lidocaine, bupivacaine) to numb the injection site 
• – Corticosteroid medication (optional) to help reduce inflammation 
• – Topical anesthetic (optional) to temporarily numb the skin 

The physician selects the appropriate medications and techniques based on the patient’s specific needs and the location of the trigger points. 

What to Expect After Trigger Point Injections? 

After the procedure, patients may be encouraged to gently stretch and move the treated muscle. Some soreness or discomfort at the injection site is common, but this can typically be managed with over-the-counter pain medication. 

The pain-relieving effects of the injection may be felt within a few minutes, as the local anesthetic takes effect. The anti-inflammatory benefits of corticosteroid medication (if used) may take a few days to fully develop. 

Patients should follow any activity restrictions and instructions provided by their healthcare team. They should promptly report any concerning symptoms, such as increased pain, numbness, or signs of infection, to their physician.