Botox for Pain Management: Uses and Effectiveness

By January 29, 2021February 3rd, 2021Chronic Pain

Botox for Pain Management: Uses & Effectiveness - PMIR Medical Center

Chronic pain affects an astounding 20 percent of US adults, and an estimated 8 percent of US adults report high-impact chronic pain. These conditions can be challenging to identify and treat, with various potential causes and factors, many of which have no real cure. Treatments for chronic pain typically involve physical therapy, opioid and non-opioid pain medications, and psychological treatment.

The development of pain-related depression and anxiety symptoms has been thoroughly researched. But when these treatments yield little to no results or cease to be effective, alternatives are needed. Certain interventions can greatly reduce pain depending on the root cause, including nerve blocks and pain pumps. One such alternative that has been approved for effectively treating chronic medical conditions is the use of Botox for pain management.

What Is Botox?

Botulinum toxin, or Botox, is a naturally occurring neurotoxin produced from the botulinum bacteria (Clostridium botulinum). Only about a gram of concentrated crystallized toxin is needed to kill a human being. While rare in nature, its accidental consumption can cause botulism, a paralytic disease that can lead to death. But in shallow and controlled doses, carefully applied in a therapeutic setting, Botox can be used as a targeted neurolytic agent. In other words, injections help block pain, usually in areas where the body can slowly regenerate and rebuild.

As a neurotoxin, Botox targets and prevents a neurotransmitter release (chemical messenger) called acetylcholine, thus preventing muscles’ contraction through their respective motor neurons. This principle is also behind Botox use in cosmetic surgery, where it can help relax muscles and reduce facial wrinkles’ appearance. With its medical use, Botox cosmetic use is temporary – an injection lasts 3-12 months and would have to be renewed once the nerves recover.

How Does Botox Relieve Pain?

Botox for treating chronic pain conditions is most commonly used wherein the pain is largely caused by spasms, hyperactive or damaged nerves, and myofascial pain. Once injected in a precise location, Botox can target and shut down the nerves responsible for the pain, at least for some time. These nerves will usually heal at a varied pace, and once they do, the patient may require additional injections if the pain persists. Botox is not curative. There are no cures for many causes of chronic pain, although Botox can be an effective part of a long-term treatment strategy for bringing back the quality of life.

When Is Botox for Pain Management Used?

The FDA approves Botox for the following medical conditions:

    • Strabismus (crossed eyes)
    • Blepharospasm (eyelid spasms)
    • Chronic/transformed migraine headaches
    • Axillary hyperhidrosis (severe underarm sweating)
    • Upper limb spasticity (tense or overactive arms, limiting movement)
    • Cervical dystonia (severe twitching and spasms in and around the neck)
    • Detrusor overactivity (an overactive bladder) in cases where anticholinergic medication does not help

However, Botox injections also have a wide list of potential applications for other conditions. They are prescribed as an off-label treatment for several chronic pain issues, particularly:

    • Chronic muscle pain
    • Peripheral neuropathy
    • Joint pain and osteoarthritis
    • And various maxillofacial pain conditions

Osteoarthritis Pain

Botox injections have been noted to reduce knee pain in patients with osteoarthritis and may be used to treat joint pain. It should be worth noting that these off-label treatments often have a lot of research to back their usage but have not yet been approved by the FDA. Botox injections were particularly effective in joint pain cases when a low dosage is used, leading to short-term but effective pain relief.

Muscle Pain

Botox injections were found to be effective in treating chronic pain caused by myofascial trigger points, the kind that occurs when small clumps of muscle within a larger muscle seize up and cause pain. This often occurs due to overuse, lack of rest, or improper/excessive exercise. This type of pain is different from a muscle cramp in that it is not the entire muscle that is seizing up for a short time but a small trigger point for much longer periods of time. A Botox injection can help relieve this pain by relaxing the muscle.

Neuropathic Pain

Botox injections were also proven effective in cases where opioid analgesics are not an option for patients with peripheral neuropathy. Peripheral neuropathy is nerve damage in the peripheral nervous system (outside of the spinal cord and brain) and can lead to chronic pain. It is most often caused by diabetes or excessive alcohol use. Other forms of neuropathic pain that targeted Botox injections may address include (but is not limited to):

    • Post-stroke pain
    • Neuropathic pain
    • Spinal cord injuries
    • Multiple sclerosis (MS) pain

Headaches and Facial Pain

Botox injections also promise to treat maxillofacial pain or pain around the neck, head, and jaw. Examples include masseter overactivity (the jaw muscles) and chronic pain caused by temporomandibular disorders (TMD).

Medical Benefits of Using Botox for Pain Management

While Botox is toxic, injections are usually well-tolerated and rarely cause side effects. Roughly 3-10 percent of people who have received Botox injections have reported an adverse effect. These usually include headaches, injection site pain, or flu-like symptoms. Other potential adverse reactions include temporary unwanted weakness or drooping, spatial disorientation (when used to treat strabismus), and more. If you are concerned about any specific adverse reactions, consult your doctor.

There are contraindications for Botox use, particularly Botox allergies or sensitivity and infection in or around the potential injection site. Because it is a bacterial neurotoxin, the body can develop antibodies in response to it, which may make future doses less effective. Botox for pain management can be an effective way to treat certain chronic pain conditions. If you are interested in exploring Botox as a pain relief option, be sure to consult a medical professional for more information.

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About Pain Management & Injury Relief

Pain Management & Injury Relief is a leading patient-centered pain management clinic in Southern California. Our goal is to help you achieve long-lasting pain relief. By utilizing the latest medical technologies and equipment paired with innovative procedures and treatments, our team can help you improve your quality of life.

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