Bacterial Infection of the Uterus Average Cost

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What are Bacterial Infection of the Uterus?

The bacteria that cause metritis to occur can spread into the bloodstream, causing sterility and septic shock if left untreated. Cats with metritis need to be seen by a veterinarian as soon as possible in order to prevent the condition from becoming lethal.

Metritis is a bacterial infection of the uterus that normally occurs within a week after the cat gives birth. Symptoms occur when the lining of the uterus, or endometrium, becomes inflamed. Though it most often occurs after a natural birth, the condition can also be caused by a miscarriage, a natural or medical abortion or artificial insemination. The condition differs from pyometra, an infection of the uterus caused by hormones, as it is typically caused by bacteria such as Escherichia coli.

Symptoms of Bacterial Infection of the Uterus in Cats

Symptoms normally appear 12 to 96 hours following birth.

  • Swollen abdomen
  • Foul-smelling discharge from the vulva
  • Dark green- or dark brown-colored discharge or discharge that is mixed with pus and/or blood from the vulva
  • Lethargy
  • Fever
  • Vomiting
  • Diarrhea
  • Dark red gums
  • Dehydration
  • Reduced milk production
  • Depression
  • Loss of appetite
  • Neglecting kittens

Causes of Bacterial Infection of the Uterus in Cats

The condition occurs when bacteria enter the uterus through the vagina. This occurs when the uterus is most susceptible in the following circumstances:

  • Artificial insemination
  • Difficult birth
  • Long birth from a large litter
  • Obstetric manipulation
  • Natural or medical abortion
  • Miscarriage
  • Retained placentas or fetuses

Diagnosis of Bacterial Infection of the Uterus in Cats

The veterinarian will ask for the cat's complete health history, including details of the most recent birth. A physical examination will then be performed to look for the symptoms of metritis. The veterinarian will then order labs, which include a complete blood count, a chemical blood profile, an electrolyte panel and a urinalysis. The complete blood count will show the number of white blood cells in the cat's blood that is indicative of an infection. The chemical blood profile will show if the infection has spread to the bloodstream and where it originated from. A urinalysis and electrolyte panel help the veterinarian know how the kidneys are functioning and how dehydrated the cat is due to the infection.

An ultrasound or x-ray may also be performed, which will help the veterinarian to look at the uterus to do a visual exam to look for retained placentas, fetuses or birth material and excess fluid that may have accumulated due to swelling or uterine rupture. The vaginal discharge may also be examined under a microscope to determine the type of bacteria and what antibiotic will be most effective at treating it.

Treatment of Bacterial Infection of the Uterus in Cats

  • Fluid Therapy: The cat will be hospitalized upon diagnosis of metritis. Fluids will be administered via an IV in order to help the cat recover from fluid loss and dehydration. The fluids will also help to correct the electrolyte imbalances that can result in reduced kidney function.
  • Antibiotics: The bacterial culture and sensitivity tests on the cat's discharge require that the bacteria grow in order to be examined. Until the bacteria and proper antibiotic can be identified, broad-spectrum antibiotics will be administered to the cat in order to kill the bacteria. Once the tests are back, the antibiotic best suited for killing the specific bacteria that caused the metritis will be administered.
  • Treatment for Septic Shock: If the bacterial infection has reached the bloodstream and the cat is in septic shock, the cat will be treated to prevent it from becoming lethal. Large amounts of fluid will be administered via an IV to raise the cat's blood pressure and medications will be given to increase the flow of blood to the heart, brain, and other organs. Oxygen will also be administered.
  • Surgery: Cats who do not respond to medical treatment risk uterine rupture and abdominal infection. This risk is increased if retained fetuses or placentas are in the uterus. Spaying the cat is often the best solution to prevent complications. Cleaning of the uterus to remove any retained fetuses or placentas is an option if future breeding is planned. In severe cases, an ovariohysterectomy may need to occur where the ovaries and uterus are removed.

Recovery of Bacterial Infection of the Uterus in Cats

Nursing kittens will need to be hand-fed in order to prevent the antibiotics and infected milk from reaching them. The cat will need to continue the antibiotics until the infection has cleared from their body. Cats who receive prompt treatment normally respond well but typically have a decreased chance of fertility in the future.

Bacterial Infection of the Uterus Questions and Advice from Veterinary Professionals

Mixed bree
5 Years
Fair condition
1 found helpful
Fair condition

Has Symptoms

Drinking lots of water

Hi, I'm concerned about my kitty, Buttercup. She just had kittens 4 days ago and keeps leaving the spot where her kitties are to pace around the room. She's also meowing A LOT. When I checked on her, she let out two really long meows. She is five years old and not a first time mom. I am worried she might have metritis. This morning, she was ignoring her kittens. She is still eating, however. For the past few days, she's been licking her stomach more than normal and trying to lick her genitals (which she can't do, because her belly is still quite round). She never meows this much and when I come check on her she just sits and meows at me. She's also been drinking a lot more water than normal.

Dr. Callum Turner, DVM
Dr. Callum Turner, DVM
3320 Recommendations
Normally cases of postpartum metritis would result in vaginal discharge, fever, lethargy, loss of appetite and loss of interest in kittens; it is important to visit your Veterinarian if you suspect metritis as retained kittens, placenta or other postpartum complications may cause metritis. Treatment is usually antibiotics, removal of any retained palcenta or fetus’ and fluid therapy if required. Regards Dr Callum Turner DVM

Should I use an anal thermometer to check her temperature? Also, what is a normal cat temperature and what is considered a fever?

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