What does it mean when parasympathetic nerve activity is too high, and what should be done?

Jun 06, 2023 Source: Cainiu Health
Dr. Yang Jun
Introduction
Elevated parasympathetic activity may result from physiological factors or pathological conditions such as reduced sympathetic nervous function or organophosphorus poisoning, and treatment should be targeted according to the specific underlying cause. Besides these relatively common causes, other conditions such as meningitis, cerebral hemorrhage, or brain tumors may also be responsible. If any symptoms occur, prompt medical evaluation and timely treatment are recommended.

Elevated parasympathetic nerve activity may result from physiological factors, or it could be caused by pathological conditions such as weakened sympathetic nerve function or organophosphorus poisoning. Targeted treatment should be provided based on the specific underlying cause. The detailed analysis is as follows:

1. Physiological Factors

In daily life, intense physical exercise or excessive stress can stimulate the parasympathetic nervous system, leading to increased activity. This may manifest as accelerated breathing, elevated heart rate, and increased blood pressure. These are normal physiological responses that typically resolve spontaneously. This condition is usually transient and will subside after a period of rest, without requiring special intervention or causing undue concern.

2. Pathological Factors

a. Weakened Sympathetic Nerve Function

Both the sympathetic and parasympathetic nerves belong to the autonomic nervous system. When sympathetic nervous system function is reduced, the parasympathetic nervous system tends to become overactive, potentially causing abnormal symptoms such as decreased sweating and lowered body temperature. Medications such as oryzanol tablets or vitamin B1 tablets may be taken under medical guidance to help alleviate these symptoms.

b. Organophosphorus Poisoning

In cases of organophosphorus poisoning, the toxins can stimulate the terminal ends of the parasympathetic nerves in the body, causing excessive nerve ending excitation and resulting in elevated parasympathetic activity. Treatment may include gastric lavage to promote the elimination of toxic substances.

Besides the above relatively common causes, other conditions such as meningitis, cerebral hemorrhage, or brain tumors may also contribute. If any discomfort or abnormal symptoms occur, prompt medical evaluation and timely treatment are essential to avoid delays in managing the underlying condition.


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