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.
1 Side effects: Cholinergic drugs may cause vomiting, diarrhea, watery eyes, headache, dizziness, irregular heartbeat, wheezing, and/or breathing problems. 2  Contact a doctor if these occur. Side effects: Cholinergic drugs may cause vomiting, diarrhea, watery eyes, headache, dizziness, irregular heartbeat, wheezing, and/or breathing problems. 2  Contact a doctor if these occur.