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Nerve Block

Nerve block injections, guided by imaging, ease long-term back, neck, joint, and post-surgery pain. Given by our board-certified pain doctors at Remix Medical in Houston, TX.

Nerve Block Treatment in Houston, Texas

Chronic pain can be debilitating, limiting mobility, interfering with daily activities, and diminishing overall quality of life. At Remix Medical, we offer a personalized, evidence-based pain management approach that includes nerve block injections as an effective method for relief. Whether your pain stems from arthritis, pinched nerves, or post-surgical complications, our goal is to help you regain control. When you're looking for a compassionate and knowledgeable doctor in Houston, Remix Medical provides solutions that are both effective and minimally invasive.

What Are Nerve Blocks?

A nerve block is a procedure designed to block pain signals traveling from one or more nerves directly into the brain. Usually it involves injecting local anesthetic along with corticosteroid medication in order to reduce inflammation and numb the nerve.

Nerve blocks can serve several purposes:

  • Diagnostic: Helps pinpoint the exact nerve responsible for your pain.
  • Therapeutic: Provides pain relief by calming irritated or compressed nerves.
  • Prognostic: Helps predict how effective a more permanent intervention (like surgery or ablation) might be.
  • Preemptive: Reduces post-operative pain by blocking pain before it starts.

These injections are frequently utilized as part of pain management protocols to increase mobility, lower opioid dependency and enhance daily function.

StageWhat happens
BeforeYou're positioned, the skin is cleaned and numbed, and live imaging (fluoroscopy or ultrasound) guides the needle
DuringThe medication is placed precisely at the target nerve; most people feel pressure more than sharp pain
AfterYou rest briefly and go home the same day — arrange a driver if you received sedation

Conditions Commonly Treated with Nerve Blocks

Nerve blocks are versatile and effective tools for relieving pain associated with many medical conditions, including:

Sciatica and Lumbar Radiculopathy

If the nerve root in your back becomes compressed or inflamed — often due to a herniated disc or bone spur — sciatic pain will radiate down the leg, quickly becoming unbearable. A lumbar nerve block is an effective solution that can quickly relieve this discomfort.

Arthritis and Joint Pain

Chronic joint inflammation in joints like the spine, shoulders and knees can be significantly decreased through targeted nerve blocks that enable better movement with reduced stiffness.

Neck Pain and Cervical Spine Disorders

Cervical nerve blocks are used to manage chronic neck pain caused by degenerative disc disease, cervical spondylosis, or whiplash injuries.

Chronic Migraines and Occipital Neuralgia

Occipital nerve blocks may provide relief to individuals suffering from migraines or headaches which originate in the upper neck or base of skull.

Postoperative Pain Management

Following certain surgeries, nerve blocks can be used to control pain more effectively than opioids, reducing side effects and facilitating faster recovery.

What to Expect During a Nerve Block Procedure

Consultation and Imaging

Before any procedure, your primary care doctor will review your symptoms, medical history, and imaging studies (X-ray, CT, or MRI) to locate the source of pain.

Positioning and Prep

Your injection site will be cleaned and numbed using topical anesthetic before being comfortably positioned either lying down or sitting as necessary.

Image-Guided Injection

Under ultrasound or fluoroscopic (X-ray) guidance, your physician will carefully insert a thin needle near a nerve and slowly inject medication over several seconds.

Post-Procedure Monitoring

After the injection, you'll be monitored for a short period. Many patients experience immediate relief, while for others, the full benefit may take a few days.

Follow-Up Plan

Your response to an injection helps determine the next steps — be they additional treatments, rehab or referral for other types of care.

Risks and Considerations

Nerve blocks are generally safe, but like any medical procedure, they carry minor risks:

  • Temporary numbness or weakness
  • Infection at the injection site (rare)
  • Bleeding or bruising
  • Mild soreness post-injection

Your doctor will assess your overall health, allergies, and medication use before proceeding to ensure safety and effectiveness.

How it's performed

The skin over the target nerve is cleaned and numbed. Under ultrasound or fluoroscopic (X-ray) guidance, a thin needle is advanced to lie adjacent to the nerve, and after confirmation of position, local anesthetic — often combined with corticosteroid — is injected slowly to bathe the nerve and interrupt its pain signaling. The specific nerve targeted depends on the pain source, from occipital nerves for headache to lumbar roots for sciatica.

How to prepare

Arrange a driver if sedation is planned. Discontinue blood thinners only as directed by the prescribing physician. Bring recent imaging and a current medication list. For diagnostic blocks, be prepared to report how much your familiar pain changes afterward. Notify the office of any active infection, fever, or allergy.

What to expect after

Mild soreness at the injection site for a day or two is normal. Ice intermittently for the first day and avoid strenuous activity for 24 hours. Temporary numbness or weakness in the area may occur and resolves. For diagnostic blocks, record how your pain responds. Report fever, spreading redness, severe or worsening pain, or new weakness immediately.

Outcome

Nerve blocks can provide rapid pain relief, help pinpoint the nerve responsible for pain, and predict how well a more permanent procedure such as ablation or surgery might work. Relief ranges from temporary (diagnostic) to weeks or months (therapeutic with steroid), and blocks are often used to improve mobility and reduce reliance on oral pain medication.

Frequently asked

Nerve Block questions, answered

What is a nerve block?

It's an injection of medication near a specific nerve to interrupt pain signals. It can relieve pain and help identify which nerve is responsible.

How long does a nerve block last?

It depends on the medication and the nerve, ranging from hours to weeks or longer. Some blocks are repeated as part of an ongoing plan.

Is a nerve block diagnostic or therapeutic?

It can be either or both: relief points to that nerve as the pain source, and the medication also treats the pain. That information guides your care.

Is a nerve block safe?

Performed by an experienced physician, nerve blocks are generally safe, with small risks your doctor reviews. Report fever, spreading redness, or worsening pain afterward.

Does a nerve block hurt?

The skin is numbed and, when needed, imaging guides the needle, so you mostly feel pressure. Temporary numbness in the area is expected.

SpecialtyPain ManagementTypeProcedureBody locationPeripheral nerves, occipital nerves, cervical and lumbar nerve roots, brachial plexus, intercostal nerves, sympathetic gangliaCPT code64405 (greater occipital), 64415 (brachial plexus), 64425 (ilioinguinal/iliohypogastric), 64450 (other peripheral nerve); code varies by nerve targeted

This page is for general education and is not a substitute for medical advice. Whether a given procedure is appropriate depends on your individual evaluation. Contact a Remix Medical clinician to discuss your care.

Updated October 13, 2025. Medically reviewed by Raju Mantena, DO.

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