The parasympathetic nervous system is one of the two main divisions of the autonomic nervous system (ANS). Its general function is to control homeostasis and the body's rest-and-digest response. The sympathetic nervous system (SNS) is one of two main divisions of the autonomic nervous system (ANS).Its general action is to mobilize the body's fight-or-flight response. Function. Control the body's response while at rest.he parasympathetic nervous system is part of the autonomic nervous system. It originates in the spinal cord and the medulla and controls homeostasis, or the maintenance of the body's systems.
Uses. Hydrocortisone is a natural substance (corticosteroid hormone) made by the adrenal gland. It is used to treat conditions such as arthritis, blood /hormone/ immune system disorders, skin and eye conditions, breathing problems, cancer, and severe allergies.t decreases your immune system's response to various diseases to reduce symptoms such as pain, swelling and allergic-type reactions. Hydrocortisone is also used to treat low hydrocortisone levels caused by diseases of the adrenal gland (such as Addison's disease, adrenocortical insufficiency).
1 You may be given hydrocortisone as a lotion or a cream (topical) to treat skin disorders. 2  The amount of hydrocortisone you will receive depends on many factors, including your height and weight, your general health or other health problems, and the reason you are receiving Cortisone.