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.
It is worth noting that some over-the-counter drugs like the antihistamine diphenhydramine have anticholinergic properties that may produce the effects above mentioned. Eye Alterations are produced by muscarinic antagonism in two muscles: inhibition of iris sphincter muscle causes mydriasis, while relaxation of ciliary muscle produces ciclopegia.