Dehydration is one of the most worrisome complications of diarrhea in children. Mild diarrhea usually doesn't cause significant fluid loss, but moderate or severe diarrhea can. Severe dehydration is dangerous; it can cause seizures, brain damage, even death. Know the signs of dehydration.
Symptoms & Signs. Dilation, or widening, of the pupils of the eyes is normal in conditions of low light in order to allow more light to reach the retina. Medically, dilation of the pupils is known as mydriasis. Specific medications known as mydriatics are administered to dilate the pupils for ophthalmologic examination.
There is an antidilation drug, dapiprazole, that blocks stimulation of the muscle that widens the iris. In a 1994 clinical study, published in the journal Optometry and Vision Science, the drug was tested in one eye in 30 subjects who had been given drops containing the dilation drug tropicamide.