In this task, you are given a question and answer options for that question. Using this information, you have to classify each text into different topics: medicine, nursery, psychology, chemistry, pharmacology, biology.

Question: 0 months previously healthy with acute gastroenteritis of one day of evolution and signs of mild dehydration, without blood or mucus in the stool and without oral intolerance. What is the initial choice treatment in our environment? 
 Options:  <0> Intravenous rehydration, absolute diet 8 hours and start feeding with astringent diet. <1> Rehydration with low osmolality oral rehydration solution (sodium 60-75 mEq / L) and continue with your usual diet. <2> Rehydration with low osmolality oral rehydration solution (sodium 60-75 mEq / L), maintain regular feeding and oral amoxicillin for 10 days. <3> Rehydration with low osmolality oral rehydration solution (sodium 60-75 mEq / L) and start feeding with lactose-free formula. <4> Rehydration with low osmolality oral rehydration solution (sodium 60-75 mEq / L), maintain regular feeding and loperamide 7 days.
medicine