Hello and thanks for the question today. Bladder infections do not make you throw up certain foods. The average healthy adult should take in atleast 64 oz's of water per day. So, if you are drinking 5, 20 oz bottles per day, you should be drinking plenty of fluids unless you sweat a great deal during the day or if you are in a hot environment all day long.
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Ok, if your Dr is telling you to drink more water and he/she knows you drink 100 oz's of water per day, you will need to contact the Dr who told you this because as long as you are in a cool environment there should be no real reason as to why you should be drinking more fluids than this on a daily basis.