Paresthesia

Definition

Paresthesia is an abnormal sensation of the skin, such as tingling, pricking, or numbness, often felt in the extremities. It can be transient or chronic and may be related to nutritional deficiencies affecting nerve function.

5 Must Know Facts For Your Next Test

1. Paresthesia can be caused by deficiencies in essential nutrients like vitamin B12 and folate, which are crucial for nerve health.
2. Chronic paresthesia might indicate underlying neurological conditions such as multiple sclerosis or peripheral neuropathy.
3. Maintaining a balanced diet with adequate vitamins and minerals can help prevent paresthesia.
4. Paresthesia is often experienced by patients with diabetes due to poor blood sugar control affecting nerve function.
5. Hydration plays a role in preventing electrolyte imbalances that can contribute to sensations of paresthesia.

Review Questions

• What nutrient deficiencies are commonly associated with paresthesia?
• How does poor blood sugar control in diabetes lead to paresthesia?
• Why is hydration important in preventing paresthesia?

Related terms

Neuropathy: Damage or dysfunction of one or more nerves resulting in numbness, tingling, muscle weakness, and pain.

Vitamin B12 Deficiency: A condition resulting from inadequate intake or absorption of vitamin B12, leading to symptoms including fatigue, anemia, and neurological issues.

Multiple Sclerosis (MS): A chronic autoimmune disease that affects the central nervous system, leading to symptoms like muscle weakness, coordination problems, and sensory disturbances.