A<unk>  agent is a substance or activity that reduces the activity of the parasympathetic nervous system. (The parasympathetic nervous system is often colloquially described as the "Feed and Breed" or "Rest and Digest" portion of the autonomic nervous system. The parasympathetic nervous system becomes strongly engaged during or after a meal and during times when the body is at rest.) The term<unk>  typically refers to the effect of a drug, although some poisons act to block the parasympathetic nervous system as well. Most drugs with<unk>  properties are anticholinergics.<unk> " and sympathomimetic agents have similar but not identical effects. For example, both cause mydriasis, but<unk> s reduce accommodation (cycloplegia), whereas sympathomimetics do not.
Parasympatholytic
Abirritant
Neuroskeptic
Toxoid
Hypoallergenic
Endemic 
Sedative
Heteroecious