The dog days of August are known for their steamy humidity. We don't realize the toll that this type of weather can take on us, usually because we are in and out of air conditioned spaces throughout the day. Dehydration can occur even without prolonged exposure to the elements.
Sometimes dehydration occurs for simple reasons: You don't drink enough because you're sick or busy, or because you lack access to safe drinking water when you're traveling, hiking or camping.
Other dehydration causes include:
Diarrhea, vomiting. Severe, acute diarrhea — that is, diarrhea that comes on suddenly and violently — can cause a tremendous loss of water and electrolytes in a short amount of time. If you have vomiting along with diarrhea, you lose even more fluids and minerals.
Fever. In general, the higher your fever, the more dehydrated you may become. The problem worsens if you have a fever in addition to diarrhea and vomiting.
Excessive sweating. You lose water when you sweat...