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208 Breeds, 422 Health Conditions  |  Find a Vet

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Milk Fever (Eclampsia)

First Aid Condition

First aid health condition




Condition Overview

Eclampsia is a seizure-like condition.


Signs of eclampsia are restlessness, anxiety, rapid breathing, and pale mucus membranes. The dam frequently leaves her puppies and paces up and down. Her gait may be stiff-legged, uncoordinated, and jerky. Tightening of the face muscles exposes the teeth and gives her face a pinched look. In severe cases, she falls down on her side, kicks all four legs, and salivates profusely.


Eclampsia is caused by low serum calcium (hypocalcemia). It usually appears 2 - 4 weeks postpartum. At this time there is a heavy drain on the mother's calcium stores because she is nursing.

Small dogs, particularly toys, are most likely to suffer from eclampsia. Large breeds are seldom affected. Eclampsia is also more likely to occur in dams who have not received optimum nutrition during pregnancy. It also occurs among dams with large litters and paradoxically, in brood females who are given calcium supplements during pregnancy.


Along with the noted symptoms, the rectal temperature may be elevated to 106 degrees F.


Eclampsia is an emergency. Notify your veterinarian at once. Intravenous calcium gluconate is a specific antidote. It is indicated at the first signs of muscle spasms or tremors. If the rectal temperature is over 104F (40C), treat as described for Heat Stroke.

Puppies should be removed from the dam and fed by hand. If the puppies are 3 weeks or older, wean by hand. After 24 hours, young puppies can be permitted to return to the mother IF she has completely recovered. For the first week, restrict nursing to 30 minutes 2 - 3 times a day. If the dam remains asymptomatic, these restrictions can be lifted.

Mothers who continue to nurse should be supplemented with an oral calcium preparation such as calcium carbonate. Continue the supplement for as long as the dam is nursing.


Feeding a pregnant dam high quality food during pregnancy may reduce the occurence of this condition. High quality foods will be locally manufactured, contain no by products, corn, wheat, soy, "meat", or other non-beneficial ingredients. Ideally, the food will utilize clean, human quality foods, prepared in a sanitary facility.


Please contact your veterinarian with questions regarding this condition.

Show Sources & Contributors +


Dog Owners Home Veterinary Handbook

Publisher: Wiley Publishing, 2007

Website: http://www.wiley.com/WileyCDA/

Authors: Debra M. Eldredge, Liisa D. Carlson, Delbert G. Carlson, James M. Giffen MD

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