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Trigger Point Injections


Trigger point injection (TPI) is a simple procedure widely performed to relieve myofascial pain. It involves injection of medications into trigger points, or knots that form when muscles do not relax.

A myofascial trigger point, or knot, is a hyperirritable spot, usually located within a taut band of skeletal muscle, which feels painful upon compression and can give rise to characteristic pain, motor dysfunction, and autonomic phenomena. Trigger points produce local and referred pain and often accompany chronic musculoskeletal disorders.

Knots can be felt as nodules or bands in the muscle. Stimulation of a knot may elicit a twitch response and pain, which may radiate in a distribution consistent with the affected muscle.

In the TPI procedure, a gentle pressure applied upon a trigger point to observe muscle twitch and evaluate the patient’s pain. This may be accomplished using a hand or a special device. The purpose of this examination is to allow the provider to identify muscles causing pain that could benefit from injections.

When the painful area has been identified, the provider uses a small needle to inject medications into the trigger point. Common treatment sites include the arms, legs, back, and neck. Typically, TPI medications include a local anesthetic (painkiller). These medications work in concert to lower inflammation and disperse the trigger point.

Fortunately, at Breakthrough Medical Plus we understand the burden of living with pain and are highly experienced in the treatment of pain syndromes. Schedule a consultation today to learn about the numerous interventions available to help manage chronic pain.


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