Life moves fast—and if you’ve got a female Shih Tzu, you’ll want to stay ahead of the curve when it comes to her health. Like any unspayed dog, she’ll go through heat cycles, and knowing what to expect helps you keep her safe, clean, and comfortable.
When the Heat Cycle Starts
Most Shih Tzus hit their first heat somewhere between six and ten months old. Think of it as puberty for pups. She may still act like a baby, but biologically, she’s starting to mature. That said, just because she can get pregnant doesn’t mean she should.
Many vets recommend holding off on breeding until your dog is more fully developed—or skipping it entirely and going for spaying. It’s safer, simpler, and avoids the chaos of unexpected litters.
It’s also worth knowing that the first heat may not be as obvious. The symptoms can be mild or easily missed if you’re not watching closely. But even in a silent or less noticeable heat, your dog can still get pregnant.
How Often It Happens
Twice a year is typical, but it’s not set in stone. Some dogs take longer to settle into a regular rhythm. Each cycle lasts about two to four weeks, with changes that come on gradually.
Mark it on your calendar or phone—trust me, it helps. Keeping track means fewer surprises when it’s time to grab the dog diapers or adjust her routine.
The cycle itself has several phases: proestrus (where spotting usually starts), estrus (when she’s fertile), diestrus (when the cycle winds down), and anestrus (a resting phase before the next cycle). Getting to know these phases helps you better understand her behavior.
How to Tell She’s in Heat
There are always signs. You might notice:
- A little swelling down there
- Light spotting on her bed or floor
- More peeing than usual
- Clingy or restless energy
- Extra attention from male dogs
- Tail moving off to the side (yep, that’s a signal)
Not all dogs react the same, but most show at least a couple of these signs. It’s good to be aware—especially if you’re around other dogs.
Your dog might become more vocal or anxious. You may even notice she’s licking herself more than usual to keep clean. These small changes are normal but still worth tracking.
How to Take Care of Her
Your dog might feel a little off during her cycle. Some tips:
- Indoor potty pads help if she can’t hold it
- Doggie diapers make cleanup easier
- Keep her bedding fresh and clean
- Give her extra space—or extra cuddles—depending on her mood
- Stick to a calm routine
Some Shih Tzus might become pickier with food or get more sensitive to loud noises and changes in routine. The goal is to keep her calm and give her a space where she feels safe.
You’ll also want to limit contact with male dogs. Keep her on a leash during walks, avoid dog parks, and double-check doors and fences. A female in heat can draw unwanted attention from males even from blocks away.
Thinking About Spaying?
Spaying takes away the mess and stress of heat cycles, lowers health risks, and makes life simpler overall. Most vets suggest doing it before her first or second heat.
There are other long-term benefits, too. Spayed dogs have a lower risk of mammary tumors, uterine infections, and some behavioral issues linked to hormonal shifts. It’s a routine procedure, and recovery is usually smooth.
If breeding is in the picture, wait until she’s fully mature and in top health. Always run the plan by a vet first. Responsible breeding takes planning, resources, and a commitment to the health of both mom and pups.
What to Expect Moving Forward
Once you’ve been through a cycle, it’s easier next time. You’ll know the signs, have your system down, and know how to make her feel better. Every dog’s a little different, but with some awareness and prep, you’ll both handle it fine.
It’s also helpful to talk to your vet regularly about your dog’s cycle. If you notice changes in frequency or symptoms that feel off, it’s worth checking in. Hormonal changes can affect behavior, skin, appetite, and even energy levels.
Heat cycles are a normal part of your Shih Tzu’s life, but they don’t have to be a mystery. The more you understand, the more confident you’ll feel. Whether you decide to spay or simply want to manage the process more smoothly, you’re making a choice that helps her live a healthier, happier life.
Your Shih Tzu deserves thoughtful, real care every step of the way. Stay ready, stay aware, and she’ll do just fine.
