Chihuahua Puppy Care in the First Months

The first months of a Chihuahua puppy’s life shape the rest of it. Their tiny size demands special attention to things that would go unnoticed with other breeds: the temperature of the house, the size of toys, even the front doorstep. Here’s everything you need to know to make this stage go smoothly, without stress or technical jargon.

What to expect in the first weeks at home

When a baby Chihuahua puppy arrives home, it’s normal for them to feel disoriented the first few days. They’ve left their mother and siblings, and everything smells different. Don’t worry if at first they don’t eat much, hide, or cry at night: it’s part of the adjustment process. Give them a quiet corner with their bed, water, and a toy, and avoid having lots of friends and family visiting to meet them on the first day.

To be clear on what to prepare before they arrive (or right when they do), you can use the checklist for the first days with your pet, which helps you not to forget anything essential during this important stage.

Feeding in the first months

A Chihuahua puppy has a tiny stomach and a very fast metabolism, so they need to eat several times a day in small amounts. It’s common to split their food into 4 daily meals until they’re 3-4 months old, gradually reducing this as they grow. Always use kibble specifically made for small-breed puppies, since it has the right kibble size and nutrient density for their mouth and energy needs.

• Avoid leaving them without food for many hours: they can suffer from low blood sugar.
• Don’t switch kibble brands abruptly, do it gradually.
• Always have fresh water available, even though they drink little by little.

If you want to dive deeper into amounts and types of food by age, you’ll find all the information in the guide on Chihuahua feeding.

Temperature and protection: their weak spot

A Chihuahua puppy has very little body fat and a small body that loses heat quickly. In the first months they’re especially sensitive to cold, so avoid drafts, cold floors without a blanket, and long walks in winter. Many owners use dog clothing not for fashion, but because they genuinely need it to regulate their body temperature during cold months.

In summer, care is different but equally important, since these dogs are also sensitive to excessive heat and dehydration.

Vaccinations and first vet visits

During the first months, it’s time to complete the vaccination schedule and the first deworming treatments. There’s no universal schedule valid for all puppies, so the veterinarian is the one who should set the exact dates based on their weight and health status. Don’t take your baby Chihuahua puppy out to walk freely until the vet confirms they have the necessary protection.

Take advantage of these visits to ask any questions about their development. If you notice anything concerning (prolonged lack of appetite, lethargy, vomiting), always consult a professional instead of looking for remedies on your own.

Early socialization: the window you shouldn’t miss

Between 3 and 14 weeks of age, puppies are at their most receptive socialization period. This is the time for them to experience sounds, textures, different people, and, if possible, other calm and vaccinated dogs. A Chihuahua well socialized as a puppy tends to become a more confident adult, less prone to barking out of fear or being distrustful of strangers.

You can go a step further on this topic with the guide on Chihuahua socialization with other dogs and people, which explains how to do it without forcing situations.

Basic training from day one

Many Chihuahua owners think that, because they’re so small, they don’t need clear rules. It’s actually the opposite: without boundaries from puppyhood, it’s easy for them to develop behaviors like excessive barking or territorial attitudes. Start with simple things: teaching them their name, where to go to the bathroom, and not to bite hands or clothes while playing.

• Use positive reinforcement: small treats and a calm voice.
• Short sessions of 5-10 minutes, several times a day.
• Be consistent with the rules from the very first minute.

Home environment care: avoiding accidents

A Chihuahua puppy can get injured from falls that wouldn’t harm another dog at all. Be careful with stairs, tall sofas, or tables they might climb and fall from. Also check that there are no small objects within their reach that they could swallow, or loose cables that might tempt them to chew.

Also review which foods are toxic for them, because their small size means minimal doses of something dangerous affect them much faster than a larger dog.

Rest, hygiene, and daily routines

A Chihuahua puppy sleeps many hours a day, so respect their naps and don’t constantly wake them up to play. As for hygiene, start early with gentle brushing and cleaning their eyes and ears, so they get used to being handled without stress.

Establishing feeding, walking, and rest routines from these first months gives them a sense of security and makes life together much easier as they grow.

Frequently Asked Questions

At what age can I take my Chihuahua puppy for walks?

It depends on the vaccination schedule your veterinarian has set. As a general rule, until they have full protection, they shouldn’t walk in areas where unvaccinated dogs may have been. Always check with your veterinarian for the exact timing for your puppy.

How many times a day should a baby Chihuahua puppy eat?

In the first months, it’s common to split their food into 4 daily meals, gradually reducing the frequency as they grow. Their stomach is small and they need to eat small amounts several times a day to keep their energy stable.

Why does my Chihuahua puppy shake so much?

They may shake from cold, nervousness in a new situation, or simply as a way of expressing emotion. If the shaking is constant and comes with other symptoms like lack of appetite or lethargy, consult your veterinarian to rule out any issue.

What should I do with a Chihuahua puppy that cries at night?

It’s normal in the first few days, especially if they’ve just been separated from their mother and siblings. Offer them a comfortable, quiet space, close to you if possible, and avoid immediately giving in to taking them out of their bed every time they cry, so as not to create a habit. With patience and routine, it usually improves in a short time.

When does the puppy stage begin and end in a Chihuahua?

The puppy stage is generally considered to last from birth to approximately one year of age, although the most intense development occurs in the first 6 months. After that, growth slows down and the Chihuahua enters adulthood.