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- National Institute of Neurological Disorders and Stroke: Paresthesia
- MayoClinic.com: Transient Ischemic Attack
- Medline Plus: Multiple Sclerosis
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The nerves of the central nervous system and peripheral nervous system are responsible for providing sensation and movement to specific areas of the body. Any damage to the nerves, either caused by trauma or an underlying condition, can result in lip numbness, medically referred to as paresthesia. Lip numbness can also occur as a result of imbalances of the blood gases oxygen and carbon dioxide.
Transient Ischemic Attack
A transient ischemic attack, often referred to as a mini-stroke, is a condition in which a blood clot briefly and temporarily blocks blood flow to the brain 2. A transient ischemic attack is characterized by similar symptoms as a stroke, but unlike a stroke, causes no long-term effects 2. One of the most common symptoms is sudden numbness and weakness that affects one side of the face, including the lips, as well as the arm and leg on that same side, according to MayoClinic.com. Most transient ischemic attacks serve as a warning sign and indicate an increased risk for a future stroke, so it is important to seek medical care to determine the underlying cause and specific treatment options 2.
Causes of Numbness in the Extremities
Nerve cells are surrounded by a protective covering called the myelin sheath. In addition to providing protection, the myelin sheath ensures that nerve signals are transmitted quickly and efficiently through the neural network. An autoimmune disorder, known as multiple sclerosis, causes gradual, chronic inflammation to the nerves in the central nervous system, which over time, damages the myelin sheath 3. When the myelin sheath is damaged, nerve signals are significantly slowed down or interrupted completely. Because:
- nerves anywhere in the central nervous system
- which includes the brain
- spinal cord
- can be affected
- symptoms can occur in any area of the body
- according to MedlinePlus
Symptoms include, but are not limited to, numbness of the lips, facial pain, muscle spasms, loss of balance, muscle tremors, constipation, changes in urinary pattern, vision problems, hearing loss, slurred speech and fatigue.include
- Symptoms include
- but are not limited to
- numbness of the lips
- facial pain
- muscle spasms
- loss of balance
- muscle tremors
- changes in urinary pattern
- vision problems
- hearing loss
- slurred speech
There is no cure for multiple sclerosis, but a combination of medications, physical therapy and occupational therapy may help reduce symptoms 3.
- Nerve cells are surrounded by a protective covering called the myelin sheath.
During normal breathing, oxygen is inhaled and carbon dioxide is exhaled and a proper balance of blood gases is maintained. Hyperventilation, also referred to as over-breathing, is rapid, deep breathing that occurs as a result of increased anxiety or panic or depression. Hyperventilation syndrome is a condition characterized by repeated episodes of hyperventilation. Episodes of hyperventilation cause decreased levels of carbon dioxide in the blood, so treatment focuses on restoring carbon dioxide balance. The University of Maryland Medical Center recommends breathing through pursed lips or breathing through only one nostril 4.
- During normal breathing, oxygen is inhaled and carbon dioxide is exhaled and a proper balance of blood gases is maintained.
- Episodes of hyperventilation cause decreased levels of carbon dioxide in the blood, so treatment focuses on restoring carbon dioxide balance.
Causes of Numbness in the Extremities
Autoimmune Diseases That Cause Peripheral Neuropathy
Brachial Plexus Neuropathy Symptoms
The Medical Conditions That Cause Weakness on the Left Side of the Body
Diseases Causing Numbness to the Legs
Causes of Temporary Leg Paralysis
Disorders of the Peripheral Nervous System
Does Folic Acid Help Neuropathy in Feet?
Carotid Artery Pain
What Effect Does a Thalamic Stroke Have on the Brain?
- lips image by Alex Motrenko from Fotolia.com