Why Do Chihuahuas Shake?

🐾 Why Do Chihuahuas Shake So Much?

If you’ve ever picked up your Chihuahua and noticed them trembling, you’re not alone. These pint-sized pups are famous for shaking, and it’s not always from fear or cold.

So, what’s behind this constant trembling?

Let’s explore the most common reasons Chihuahuas shake, what’s normal, and when you should book a vet consult.

🔍 Common Reasons Why Chihuahuas Shake

Chihuahuas shake for both emotional and physical reasons. Here are the top causes:

1. Cold or Chilly Weather

• Their tiny size and low body fat make them prone to getting cold
• Even mild breezes or aircon can trigger the shakes
• Consider a dog jumper or warm bedding

2. Excitement or Anticipation

• Chihuahuas shake when they’re excited—like when you come home or it’s walk time
• It’s an energy release, not a problem

3. Fear or Anxiety

• Loud noises, new people, vet visits, or being left alone can trigger fear-based shaking
• Watch for tucked tail, panting, or hiding

4. Low Blood Sugar (Hypoglycemia)

• Especially in puppies or very small adults
• Shaking may be accompanied by lethargy, drooling, or confusion
• Needs immediate vet care if suspected

5. High Metabolism

• Chihuahuas naturally burn energy fast
• The constant tremble is often just how they regulate temperature and adrenaline

6. Pain or Discomfort

• Shaking might signal an injury, joint pain, or dental issue
• Look for limping, whimpering, or not wanting to be touched

7. Old Age

• Older Chihuahuas may shake due to arthritis, weakness, or neurological decline

8. Toxin Exposure

• Chocolate, caffeine, or toxic plants can cause muscle tremors
• Seek urgent care if shaking comes on suddenly after ingestion

9. Medical Conditions

• Conditions like Generalised Tremor Syndrome, neurological disorders, or infections can also be causes

🐶 When Is Chihuahua Shaking Normal?

Totally Normal:

• When they’re excited (e.g. leash time or seeing you)
• In cool weather or AC without a jumper
• For a few minutes during minor stress

Could Be a Problem If:

• Shaking is constant or gets worse
• It’s paired with vomiting, diarrhea, or weakness
• Your dog seems in pain or lethargic
• They shake while sleeping or eating
• Your puppy is under 6 months and shaking randomly

🛑 When to Call the Vet

Chihuahua shaking isn’t always harmless. Call a vet if:

• The shaking is new or sudden
• Your dog seems “off,” unresponsive, or can’t walk normally
• It’s accompanied by vomiting, collapse, or whining
• You suspect they’ve eaten something toxic
• The shaking happens multiple times per day with no clear trigger

💡 What You Can Do at Home

• 🧥 Keep your Chihuahua warm with a jumper or blanket
• 🧘 Create a quiet space for anxious pups
• 🐾 Feed regular meals to avoid blood sugar crashes
• 🦴 Provide mental stimulation and exercise to reduce nervous energy
• 📅 Track when the shaking happens to spot patterns

📞 Still Concerned? Speak to a Vet Today

If you’re not sure what’s causing the shaking, book a video consultation with our vet team. We’ll assess your dog’s behaviour, health, and symptoms — all from home.

💬 $49 vet consults – no waiting rooms, no stress.
👉 Book a vet consult with Dial A Vet

🙋‍♀️ FAQs About Shaking in Chihuahuas

Why does my Chihuahua shake when I leave?
Separation anxiety is common in small breeds. Your dog may be scared or stressed when you're not around.

Is it normal for my Chihuahua to shake after eating?
It can happen due to excitement or cold. But if it happens often, check for signs of low blood sugar or digestion issues.

Can I give my Chihuahua something to calm down?
Never give human medications. Talk to a vet about safe calming options like natural supplements or anxiety wraps.

Do Chihuahuas need clothes to stop shaking?
Yes, in colder climates or air-conditioned homes, a lightweight jumper helps regulate body temperature.

Is it dangerous if my Chihuahua shakes in their sleep?
Mild twitching is normal during REM sleep. But full-body tremors, stiff limbs, or seizures need immediate vet review.

🔗 References

• RSPCA Australia: Understanding Dog Anxiety
• PetMD: Why Do Chihuahuas Shake?
• VCA Hospitals: Hypoglycemia in Small Dogs

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