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Polydipsia / Polyuria (PD/PU): Excessive Drinking and Urination in the Horse
  by Robert N. Oglesby DVM


Introduction » Causes » Diagnosis » Treatment and Prognosis » More Info 

Polydipsia can be defined as a horse that drinks more than 12 gals per 1000 lbs. (100 ml / kg) of body weight (BW) a day. Polyuria would be greater than 6 gals of urine (50 ml / kg) per 1000 lb. of BW / day. Both these figures are above average but represent the high end of the normal range. Some normal horses may have higher consumption and output and some horses with disease may be lower but this is a good starting point.

There are many causes for excessive drinking and urination and they can occur at both ends of the horse for entirely different reasons. The horse may be drinking an excessive amount of water and therefore need to urinate a lot or the horse many not be able to concentrate his urine leading to excessive water loss and therefore be thirsty continuously. This article discusses the various causes, diagnosis, treatments, and prognosis.
      ~Word Count: 1423 words (The average magazine page contains about 600 words);
      ~Last Updated: July 10, 2015;
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Discussions on Excessive Drinking and Urination, Polydipsia / Polyuria (PD/PU)
  Titles Subtopics Posts Updated
iconExcessive Drinking in Mother/Daugter Mares13 Mar 5, 13
iconColor of UrineJul 9, 11
iconFat and Urinates FrequentlyJul 11, 10
iconSudden onset polyuria in recently bred mare.May 11, 08
iconHorse had intra-articular injection, now PU/PDMar 14, 08
iconDoes Polydipsia cause Diarrhea46 Aug 6, 06
iconFrequent urination in older Irish Draught Welsh Cob XJul 20, 06
iconHorse frequently urinates when exercised or immediately afterwardsApr 18, 10
iconKidney Problem?10 May 3, 03
iconWater diabetesNov 14, 99
iconDehydrationJul 3, 99
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