Treatment information
Understanding your pathway
What is the treatment?
A trigger point injection places medication into a selected tender area of muscle associated with local or referred pain. It is one possible component of care for a muscle-related pain presentation. A tender spot alone does not establish the complete diagnosis or mean that an injection is needed. [1]
Who may be considered?
A clinician may consider an injection when assessment suggests a focal muscular contributor and other approaches have not provided enough benefit. The purpose should be clear, such as helping participation in a movement programme. Widespread pain and other causes need a broader assessment rather than repeated treatment of tender points alone. [1]
Assessment, preparation and consent
Before deciding, discuss your diagnosis, previous treatment, medicines and relevant health conditions. Tell the clinician about allergies, infection, blood-thinning medicines, diabetes and possible pregnancy. Do not stop prescribed medicines yourself. Ask what alternatives are available, including not having a procedure, and allow time to consider the benefits, uncertainty and risks that matter to you. [2]
What happens during treatment?
The clinician identifies the proposed muscle target, cleans the skin and uses the planned injection technique. Local anaesthetic may be used; medication and imaging decisions depend on the site. Ask how this differs from dry needling and what follow-up will assess whether it has been worthwhile. [1]
Risks and safety considerations
Risks include soreness, bruising, bleeding, infection and medication reactions. The site matters: injections near the chest can carry a risk of lung puncture. Steroid, if used, has additional local effects. New breathlessness or chest pain after a chest-area injection needs urgent medical attention. [1]
Recovery and when to seek help
Follow the written instructions for transport, supervision, medicines, activity and driving. Recovery depends on the treatment and your health, so a fixed return-to-work date cannot be promised. Ask who to contact outside clinic hours. Seek urgent assessment for fever with worsening pain, new weakness or other unexpected neurological symptoms. Call 000 for breathing difficulty, collapse or another medical emergency. [3][2]
Expected benefit and limitations
Response varies and may be brief or absent. A temporary change does not establish a lasting solution. The plan may still include exercises, activity adjustments or other rehabilitation. Discuss how many procedures would be reasonable, when to stop and what alternative explanation should be considered if there is no benefit. [1]
Follow-up and rehabilitation
Before treatment, choose a practical goal such as walking, sleep or a daily task. Record changes in that activity, pain and any adverse effects, then discuss them at follow-up. Ask what degree of change would justify further treatment and what would lead to stopping or changing the plan. Rehabilitation and self-management may remain part of care even if symptoms improve. [2][4]
Questions to bring to your appointment
Ask which structure is being targeted, why this approach is being considered and how strong the evidence is for your diagnosis. Clarify costs, the planned review date and any practical help you may need at home. Bring previous reports and your medicine list so the discussion can address your circumstances rather than a generic treatment pathway.
Sources and further reading
Sources support the statements cited above. Overseas guidance may describe different services or eligibility rules. A procedure leaflet explains a technique and its risks; it does not establish that the treatment is effective for every condition.
- Trigger point injections to treat pain — Guy's and St Thomas' NHS Foundation Trust
- Procedures in pain medicine clinical care standard — Faculty of Pain Medicine, ANZCA
- Dorsal root ganglion / nerve root block / transforaminal injection — Hull University Teaching Hospitals NHS Trust
- Options for chronic pain management — Healthdirect Australia