Um, are you a medical student? If you are, please go to the pharmacology book! Hirsutine is an a-receptor agonist. He can excite the smooth muscle of the gastrointestinal tract, so that its contraction amplitude, tension, peristalsis increased, and can promote gastric and intestinal secretion, causing nausea, warmth, vomiting, abdominal pain and defecation and other symptoms. Regulates spasm, is the eyes in a state of myopia. Increases secretion of glands. The cause of sweat gland secretion, the cause of salivation, and the cause of nausea are all due to excessive activation of a receptors. Use atropine, intramuscularly 1 to 2 mg every 30 minutes. There is also the possibility of squeezing the medial canthus when dropping the eye, allowing the drug to enter the nasal cavity and grow adverse reactions