Critical Care

Please call us at (703) 356-5000, or for after hours care call your nearest emergency hospital like the Hope Center in Vienna, Virginia at (703) 281-5121. Staff will inquire about your pet’s condition and tell you whether you should bring your pet in immediately to Mclean Animal Hospital or if it is in your pet’s best interest to be seen at your closest emergency clinic. In non-emergent cases staff may also recommend an appointment at our earliest availability.

(703) 356-5000

MON-FRI: 7:00AM – 8:00PM
SAT: 8:00AM - 4:00PM

SUN: 8:00AM – 1:00PM


HOPE CENTER in Vienna, Virginia (703) 281-5121

SOUTHPAWS in Fairfax, Virginia (703) 752-9100


  • Your pet isn’t breathing or you can’t feel a heartbeat.
  • Your pet is unconscious and won’t wake up.
  • Your pet is having trouble breathing or has something stuck in their throat.
  • Your pet experienced some type of trauma such as being hit by a car or a blunt object or a significant fall.
  • Your pet has had or is having a seizure.
  • Your pet collapses or suddenly can’t stand up.
  • Your pet’s abdomen is swollen and hard to the touch, and/or they’re gagging and trying to vomit.
  • You see symptoms of heatstroke.
  • You suspect any broken bones.
  • You think your pet might have ingested something toxic, such as antifreeze, rat poison, any kind of medication that wasn’t prescribed, or household cleansers.
  • Your pet, particularly your male cat, is straining to urinate or is unable to.
  • Your pet has been vomiting or has had diarrhea for more than 24 hours, or is vomiting blood.
  • Your pet is bleeding from the eyes, nose, or mouth, or there is blood in urine or feces.
  • Your pet shows signs of extreme pain, such as whining, shaking, and refusing to socialize.
  • Your pet begins bumping into things or suddenly becomes disoriented.
  • You can see irritation or injury to your pet’s eyes, or they suddenly seem to become blind.
  • Your pregnant dog or cat has gone more than three to four hours between delivering puppies or kittens.