Hemifacial Spasm

Hemifacial Spasm Symptoms

Symptoms of hemifacial spasm often start around the eye. Many people notice quick blinking, fluttering, or twitching. These movements come and go. At first, they may only show up when you feel stressed or tired.

Over time, spasms can spread to the lower face. This may include the cheek, mouth, or jaw. Some people feel tightness or a pulling sensation. Others notice brief facial movements they cannot control.

Symptoms usually affect only one side of the face. They can range from mild twitching to longer muscle contractions. In more serious cases, spasms can make it harder to read, drive, or work.

During an exam, we look for warning signs. These include numbness, weakness, hearing changes, or new headaches. These symptoms are less common. But they may point to another condition that needs more testing.

Hemifacial Spasm Causes

Hemifacial spasm is most commonly caused by a nearby blood vessel pressing on the facial nerve. This pressure disrupts normal nerve signals and causes muscle spasms.

The facial nerve controls facial movement and expression. When it gets irritated, the nerve sends signals at the wrong time or at the wrong strength. This causes muscles to move on their own.

Less common causes include past facial nerve injury, swelling, or tumors. Blood vessel problems or changes after Bell’s palsy can also play a role. Each of these causes needs careful review. That review helps guide the right treatment plan.

We perform a neurologic exam during your visit. We may also order an MRI when needed. Knowing the cause helps us pick the best path forward for your care.

How Is Hemifacial Spasm Diagnosed?

We start with a detailed exam. We ask when your symptoms started. We also ask how they have changed over time. We want to know what makes them better or worse.

We review your medical history and check your neurologic function. This gives us a full picture of what you are experiencing.

MRI imaging helps us study the facial nerve and nearby blood vessels. It shows us whether a blood vessel is pressing on the nerve. It also helps us rule out other causes, such as tumors.

We work carefully to tell hemifacial spasm apart from other facial movement conditions. Some conditions affect both sides of the face. Others involve different muscle patterns entirely. A clear diagnosis helps us guide treatment and get better results for you.

Hemifacial Spasm Treatment

Treatment depends on a few key factors. We consider how bad your symptoms are. We also look at your overall health. We think about how much the condition affects your daily life.

Many patients start with botulinum toxin injections, often called Botox injections. These injections target specific facial muscles. They reduce spasms by briefly weakening muscle activity. Most patients feel relief for several months. Botox is a repeatable treatment, with potential side effects including temporary facial weakness, eyelid drooping, or dry eye. These effects usually go away over time.

If injections stop working, we look at other options. If side effects become too much to manage, surgery may become the right choice. Some patients simply prefer a longer-lasting solution.

Our goal is always to reduce spasms. We also work to protect your comfort, facial balance, and quality of life. We help each patient make treatment decisions based on their symptoms, lifestyle, and personal goals. No two treatment plans look exactly the same.

Hemifacial Spasm Surgery: Microvascular Decompression

When symptoms are persistent and nerve compression is confirmed, surgery can provide lasting relief. The standard procedure is microvascular decompression surgery, also called MVD.

During surgery, you will be under general anesthesia. The neurosurgeon then carefully exposes the facial nerve near the brainstem. The surgeon then gently moves the blood vessel away from the nerve. After that, the surgeon places a small soft pad between the nerve and vessel. This pad relieves the pressure that causes spasms.

This procedure treats the root cause of many hemifacial spasms. Many patients see major improvement after surgery. Some notice a difference shortly after the procedure.

Recovery time varies from person to person. Some patients return to normal activities within a few weeks. Others need more time to heal fully.

Experienced neurosurgeons perform this procedure with low risk. Possible complications include hearing changes and facial weakness. Spinal fluid leak, infection, or stroke are also possible but uncommon. Careful planning and surgical skill help lower these risks significantly.

We talk through expected results before surgery. We also cover recovery timelines and long-term goals. We want you to feel informed and confident before moving forward.

When to See a Neurosurgeon for Facial Spasms

Getting checked early can make a big difference. Reaching out to a specialist is a simple first step. It is worth scheduling an evaluation if:

Facial spasms get worse or happen more often
Eyelid closure affects your vision or daily activities
Botulinum toxin injections no longer provide enough relief
New neurologic symptoms develop

The good news is that help is available. Seeing a specialist early gives you more options and a clearer path forward. You do not have to manage these symptoms on your own.

If facial spasms are affecting your daily life, our team is here for you. A consultation gives you the chance to ask questions, understand your diagnosis, and explore what treatment might look like. Our neurosurgical team provides expert, personal care for hemifacial spasm. Schedule a consultation today to start moving toward relief.