Have you ever felt like one side of your face, your lips, or your cheek is numb and you can't feel anything? It's like being given an anesthetic by a dentist. It can be a scary experience. Sometimes it happens when we sleep in a strange way, after dental surgery, or after a minor injury. However, sometimes this facial numbness can be a symptom of a more serious condition. So today, let's talk about why your face goes numb and what you need to know about it.
First, let's understand why numbness occurs?
Simply put, our bodies are made up of a network of tiny wires called nerves. These nerves carry messages from our brain to all parts of our body, and they also carry sensations (pain, heat, touch) back to the brain. There are special nervous systems that carry sensations from our face to the brain and control facial muscles.
So if there is any damage to this nerve, if it is compressed, or if its function is impaired, the area controlled by that nerve loses sensation. That's what we call numbness .
What are the main causes of facial numbness?
There are several causes of facial numbness. Some are not serious, but others can be emergencies that require immediate medical attention .
Stroke and TIA
This is what we should all be most afraid of and concerned about. A stroke is a medical emergency!
A stroke occurs when a blood vessel that carries blood and oxygen to our brain becomes blocked or bursts. Brain cells then begin to die from lack of oxygen. One of the main warning signs of this is sudden numbness or drooping of one side of the face .
Sometimes there is a condition called a 'mini stroke'. In medical terms, we call it a ``Transient Ischemic Attack - TIA''. In this case, the same symptoms as a stroke (facial numbness, slurred speech) occur, but the symptoms disappear within a few minutes because the blood clot dissolves quickly.
But remember, a TIA is a strong warning sign of a major stroke. So if you experience any of these symptoms, go to a hospital's Emergency Department (ETU) without delay. Every second counts during a stroke.
Bell's Palsy
This is also a condition that many people mistake for a stroke. In ``Bell's Palsy'', the main nerve that controls our facial movements (facial nerve) becomes swollen. This causes the muscles on one side of the face to become weak, causing that side to appear droopy. The eyebrows and the corner of the mouth droop.
But the main difference between a stroke and this is that Bell's palsy usually involves muscle weakness rather than facial numbness. Also, this condition develops over a period of hours or days, and often resolves completely without treatment within a few weeks. However, if you have these symptoms, you should definitely see a doctor because you can't decide for yourself whether it's a stroke or Bell's palsy.
Shingles - Herpes Zoster
Have you ever had chickenpox as a child? The same virus that causes chickenpox is also the cause of this condition called ``Shingles.`` After chickenpox is cured, this virus remains dormant and hidden in our nerve cells. Years later, when the body's immunity is weakened, this virus can become active again.
This is when the virus travels along the nerve where it was hiding, causing painful blisters to form in the area where that nerve supplies the skin. About 1-5 days before these lesions appear, you may experience burning, itching, pain, and numbness in the area of the skin. This often occurs on one side of the face or around the eye.
| Medical condition | Main features | What to do |
|---|---|---|
| Stroke/TIA | Sudden numbness/drowsiness on one side of the face, slurred speech, loss of a limb/leg, and changes in vision. | Go to the Emergency Department (ETU) immediately! This is an emergency. |
| Bell's Palsy | Weakening and drooping of the muscles on one side of the face, difficulty closing the eye, saliva leaking from the corner of the mouth. Decreased snoring. | See a doctor to make sure it's not a stroke. |
| Shingles | Numbness, burning, and pain on one side of the face. Painful blisters develop within a few days. | See a doctor for treatment. |
Other reasons
In addition to the main reasons mentioned above, facial numbness can also occur due to several other factors.
- Multiple Sclerosis (MS): This is a disease that affects the nervous system. In this, our body's own immune system attacks the protective covering around the nerves. Numbness in the face or other parts of the body is one of the first and most common symptoms of MS.
- Brain Tumor: If a benign or malignant tumor grows near a nerve that controls facial sensation, it can press on that nerve and cause facial numbness.
- Brain aneurysm: This is a condition where a blood vessel in the brain becomes weak and bulges out like a balloon. As it grows, it can press on nerves and cause symptoms such as numbness on one side of the face and eye pain. If an aneurysm ruptures, it is also a medical emergency.
- Hemiplegic Migraine: This is a rare type of migraine. Along with a severe headache, there is numbness or weakness on one side of the body (face, arm, leg).
So, what should I do?
If you experience facial numbness, don't panic. But don't ignore it either.
Especially if you have facial swelling, slurred speech, blurred vision, sudden dizziness, weakness on one side of your body, or a severe headache , these could be signs of a stroke. Go to a hospital's Emergency Department (ETU) immediately.
In other cases, that is, if there is only a lump, it does not go away after a few days, if it gets worse, or if other symptoms (e.g., skin lesions) appear, you should definitely see your family doctor and talk about this. He or she will examine you and, if necessary, refer you for further tests or to a specialist.
Take-Home Message
- Facial numbness is caused by damage or compression to a nerve.
- If sudden facial numbness is accompanied by symptoms such as slurred speech, weakness on one side of the body, or numbness in the face, it could be a sign of a stroke . Go to the hospital immediately!
- Other medical conditions, such as shingles and Bell's Palsy, can also cause facial numbness.
- Regardless of the cause, if facial numbness persists or occurs with other symptoms, it is dangerous to ignore it.
- It is very important not to panic, but to see your doctor as soon as possible and get a proper diagnosis and treatment.
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