Overview
A trigger point injection for chest pain is used to treat muscular chest wall pain caused by tight muscle knots known as trigger points. These small, sensitive areas within the muscle can feel firm or tender when pressed and may produce localised pain across the chest or upper back.
Trigger points in the chest wall often develop due to posture strain, repetitive movement, prolonged coughing, stress, or minor injury. They may cause sharp or aching discomfort that worsens with pressure, movement, or deep breathing. A trigger point injection for chest pain delivers medication directly into the tight muscle fibres to help relax the muscle and reduce pain.
Who this treatment helps
A trigger point injection for chest pain may be considered for people with:
- Localised muscular chest wall pain
- Tender knots or tight bands in the chest or upper back muscles
- Pain that worsens with pressure or movement
- Discomfort linked to posture strain or repetitive activity
- Persistent muscular pain despite stretching or physiotherapy
A consultation is required to confirm that symptoms arise from muscular trigger points and not from other causes of chest pain.
What is a trigger point injection
A trigger point injection involves placing a small amount of local anaesthetic, sometimes combined with steroid medication, directly into the tight muscle area. The medication helps relax the contracted muscle fibres and calm pain signals.
The procedure is quick and usually well tolerated. Multiple trigger points can be treated in the same session when necessary. The aim is to restore more comfortable movement and breathing by reducing muscular tension.
What to expect during the procedure
Your consultant will review the treatment plan and answer any final questions before the injection is performed.
- You lie comfortably on the procedure table
- The skin over the affected muscle is cleaned
- A fine needle is inserted into the trigger point
- A small amount of medication is injected
- You rest briefly before leaving the clinic
The procedure typically takes around 5 to 10 minutes.
After the procedure
After a trigger point injection for chest pain, mild soreness at the injection site is common and usually settles within a short period.
- Temporary bruising or tenderness may occur
- Some people notice improvement quickly
- Others experience gradual relief over several days
- Gentle stretching may help maintain the benefit
- Normal activities can usually be resumed the same day
Benefits
- May reduce muscular chest wall pain
- Helps release tight or overactive muscle fibres
- Can improve breathing comfort and movement
- May reduce reliance on medication
- Quick procedure with minimal recovery time
Possible risks and side effects
Trigger point injections are generally safe when performed by experienced clinicians, although all procedures carry some risk.
- Temporary soreness or bruising
- Mild swelling at the injection site
- Light headedness
- Infection, which is rare
- Bleeding, uncommon
Your consultant will explain potential risks and expected outcomes during your assessment.
When to consider other options
If symptoms persist or the injection provides limited benefit, other treatments may be discussed. These may include costo chondral injections, treatment of thoracic spine related pain, medication review, physiotherapy, or combined approaches for complex chest wall pain.
Safety note
Please inform your consultant if you take blood thinning medication, have allergies, diabetes, active infection, are pregnant, or have had previous reactions to local anaesthetic. This helps ensure treatment is planned safely.
Arrange a consultation to discuss whether a trigger point injection for chest pain may be appropriate for your symptoms.
You can also explore our chest pain treatments, view all pain treatments, or learn more about our pain management services.