The parasympathetic nervous system (usually abbreviated PSNS, not PNS, to avoid confusion with the peripheral nervous system [PNS]) is one of the two divisions of the autonomic nervous system, the other being the sympathetic nervous system.s in the sympathetic nervous system, efferent parasympathetic nerve signals are carried from the central nervous system to their targets by a system of two neurons. The first neuron in this pathway is referred to as the preganglionic or presynaptic neuron.
Hydrocortisone (hydrocortisone) Cream 2.5% is a topical (for the skin) steroid used to treat inflammation of the skin caused by a number of conditions such as allergic reactions, eczema, or psoriasis. Hydrocortisone is available in generic form.
1 Cortisone is used as an anti-inflammatory medication. 2  Hydrocortisone relieves inflammation in various parts of the body. 3  Cortisone is used to treat or prevent allergic reactions. 4  Cortisone is used as treatment of certain kinds of autoimmune diseases, skin conditions, asthma and other lung conditions. 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.