When a dog begins nesting and refuses to eat, it can spark concern for any pet parent. Nesting behavior, especially when combined with a loss of appetite, may signal a major physical or emotional shift in your dog.
We outline the common causes of dog nesting and not eating, what you can do at home, and when to seek veterinary help.
Dog Nesting and Not Eating — Why It Happens
Nesting and appetite loss in dogs often stem from hormonal changes, stress, pain, or serious medical conditions. This behavior is commonly seen in pregnant or pseudo-pregnant females, but it can also appear when a dog is anxious, injured, or unwell.
Conditions like gastrointestinal upset, infections, or discomfort from internal issues can cause both nesting and refusal to eat.
If nesting seems excessive or your dog won’t touch food for over a day, a veterinary evaluation is wise.

Common Causes of Dog Nesting and Not Eating
Pregnancy
Pregnant dogs instinctively begin nesting behavior as they prepare for birth. This usually happens in the last week of pregnancy.
They may gather blankets, dig at soft surfaces, and withdraw from others.
It’s also common for them to skip meals as delivery approaches, especially within 24 hours of labor. Monitor for other signs such as enlarged nipples, a swollen belly, or clear discharge.
Loss of appetite during late pregnancy is normal but should be brief. If it continues, it may indicate labor complications.
Read more: Dog Not Moving and Not Eating (What you should do immediately)
False Pregnancy (Pseudopregnancy)
Spayed or intact females may experience false pregnancy, where hormonal shifts trigger nesting behaviors even without actual pups.
Symptoms include nesting, nursing toys, and a reduced appetite.
This condition mimics real pregnancy and may last for 2–3 weeks.
Though not dangerous in most cases, it can become distressing for your dog and may occasionally lead to infection or aggression.
Anxiety or Stress
Dogs under stress may begin nesting to self-soothe, especially if they’ve recently experienced a change in environment or routine.
This includes moving homes, new pets, loud noises, or the absence of a family member.
Anxious dogs might dig in corners or hide in closets and avoid eating altogether.
Stress-related appetite loss can lead to dangerous weight loss or dehydration if not addressed promptly.
Gastrointestinal Upset
Stomach discomfort or nausea may drive your dog to seek out a quiet spot to rest—essentially a nesting-like retreat.
This can be due to mild issues like eating spoiled food or more serious causes like intestinal parasites or obstruction.
When feeling sick, dogs often lie down in secluded areas and refuse meals.
Vomiting, diarrhea, drooling, or gurgling sounds may accompany this behavior.
Pain or Injury
Dogs experiencing internal pain or injury may exhibit nesting behavior as a coping mechanism.
They could be trying to find a comfortable position or environment to alleviate their discomfort.
Orthopedic pain, internal injuries, or infections like pancreatitis may make eating difficult.
These dogs tend to isolate themselves, whimper, or show signs of stiffness when moving.
Infection or Fever
Infections, whether viral, bacterial, or internal (like pyometra), can cause systemic symptoms.
A dog may become lethargic, hide away, and refuse food.
Fevers can also lead to nesting behavior due to chills or a desire for warmth.
This cause is particularly likely if the dog has additional signs like nasal discharge, shivering, vomiting, or a hot nose.
What to Do If Your Dog Is Nesting and Not Eating
Start by observing your dog’s behavior closely. Take note of any other symptoms like vomiting, vaginal discharge, bloating, or restlessness.
If your dog is pregnant or may be experiencing a false pregnancy, keep her in a calm, safe, and quiet environment. Offer her food and water in small amounts, and avoid disrupting her nesting area.
For anxious or stressed dogs, provide comfort items like a familiar blanket or toy. Try to maintain a routine and reduce environmental stressors.
If your dog refuses food for more than 24 hours, try offering bland options like boiled chicken and rice. Avoid giving treats, which may mask how sick she truly feels.
Ensure she stays hydrated. If she refuses water, you can try offering ice cubes or low-sodium broth. Dehydration can escalate quickly.
Avoid overhandling or forcing interaction. Let your dog rest and monitor her symptoms throughout the day.
When to Call or Visit Your Vet
Any combination of nesting and not eating that lasts longer than 24 hours warrants professional attention.
Seek immediate care if your dog is:
Pregnant and not eating for over 12 hours
Vomiting or having diarrhea
Showing signs of labor with no puppies after 24 hours
Lethargic or hiding constantly
Whimpering, yelping, or showing signs of pain
Having a vaginal discharge that is foul-smelling or discolored
Refusing water or showing signs of dehydration
These may indicate infections, gastrointestinal blockages, labor complications, or other emergencies that require timely intervention.
Read more: Dog Not Pooping and Not Eating (Surprising causes and solutions)
Key Takeaway
When your dog is nesting and not eating, it could point to pregnancy, anxiety, illness, or pain.
While some causes are natural and temporary, others can be life-threatening if ignored.
Stay calm, monitor symptoms closely, and don’t hesitate to contact your veterinarian.
Early attention can make all the difference in ensuring your dog gets the care she needs.