How to care for a senior dog: 3 essential guidelines for a healthy and happy old age

Dogs are our best friends, but sadly their lives are shorter than ours — they can’t be with us forever. Watching a dog you’ve lived with for years grow old, especially one you’ve had since they were a puppy, is never easy.

Today, let’s look at how to care for a senior dog so they can enjoy a healthy and happy old age!

Signs of aging in dogs

First, let’s look at what aging looks like in dogs. Most dogs begin to age gradually around 7–9 years old. Large dogs tend to enter the aging phase earlier than small dogs, though the pace varies depending on each dog’s overall health. Here are two key categories of aging signs to watch for.

1. Physical changes

1. Coat changes

The coat may lose its color and shine, and new growth may come in lighter or white. Long-haired dogs may also experience slower or stunted coat growth.

2. Decline in the senses

Vision, hearing, and smell all tend to deteriorate. Vision often declines the fastest and may be accompanied by conditions like glaucoma or cataracts — in severe cases, a dog may lose their sight entirely. Hearing loss can make dogs slow to respond, and some become easily startled.

3. Body changes

Senior dogs become physically weaker with a slower metabolism. They may gain or lose weight unexpectedly, and their organs will gradually decline. Calcium loss can also occur during this stage, sometimes causing a posture resembling a slight hunch.

2. Behavioral changes

1. Reduced activity

Dogs become more lethargic and move slowly. On walks, they may be reluctant to keep going and may need a gentle tug on the leash to get moving.

2. Mood changes

Senior dogs can become more anxious, irritable, or moody. They may seem low or withdrawn, and may bark for no apparent reason.

3. Physical and physiological changes

Appetite may decrease, and bathroom habits may change — going more or less frequently. Dogs sleep more and spend long periods lying down, which can slow digestion and lead to constipation.

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These are the common signs that your dog is aging. Once these changes appear, it’s important to adjust how you care for them so they can stay healthy and comfortable in their senior years.

How to care for a senior dog

1. Diet

1. Control food intake

A senior dog’s metabolism slows down, so feeding the same amount as before can cause weight gain. Keep portions consistent, and consider switching to smaller, more frequent meals to aid digestion. Avoid sudden increases or decreases in food, and never let your dog overeat, as this can cause digestive issues.

It also helps to keep a daily log of what your dog eats and drinks so you can monitor their intake effectively.

2. Suitable foods

Consider putting together a balanced, varied diet that is low in salt, low in fat, and high in fiber. Since digestion slows with age, you can blend or mash ingredients to make them easier to eat. Adding digestive enzymes, probiotics, and easily absorbed proteins is also a good idea. Make sure your dog stays well hydrated, and always keep their individual needs in mind.

3. Elevated food bowls

Many senior dogs have joint issues, so a raised or elevated bowl can make eating much more comfortable by reducing strain on the neck.

2. Exercise

1. Walks

Since joints become stiffer with age, consider going for more frequent but shorter walks — the same principle as smaller, more frequent meals. Make sure to build in rest breaks to reduce the strain on your dog’s body.

Choose routes that avoid steep hills and stairs. Try to walk during cooler parts of the day and avoid going out in the rain, as both heat and damp can worsen joint discomfort. To keep anxiety low, opt for quiet, familiar areas your dog already knows. If your dog’s hind legs are weak, a support harness can help them walk more comfortably.

2. Outings

If you want to take your dog out for some fresh air but they’re not up for walking, a stroller or pet carrier backpack is a great option. If a stroller feels too bulky, a walking carrier lets you take your dog along for the adventure without any effort on their part.

3. Environment

1. Routine

Senior dogs thrive on routine and stability. Avoid changing their daily schedule unless absolutely necessary, and don’t wake them abruptly — this can startle them. If you do need to wake your dog, approach gently and speak softly, or simply wait for them to wake up on their own.

2. Home environment

Add rugs or mats to improve traction and prevent slipping, and use soft padding to protect against bumps. Try not to rearrange furniture or change the layout of your home unnecessarily — adapting to a new environment can be very unsettling for an older dog.

3. A comfortable bed or mat

Since senior dogs often rest in one spot for long periods, a comfortable sleeping surface is essential. Look for something breathable that also offers warmth, similar to a heated blanket. Avoid placing the bed in dark corners or spots with direct sunlight. If you’re using a bed with a removable cover, wash it regularly.

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Even with careful attention to diet and environment, senior dogs can still fall ill as their body functions decline. Here are seven common health conditions to be aware of in older dogs.

Common illnesses in senior dogs

1. Metabolic issues

1. Obesity

Obesity is a common problem in dogs and can lead to chronic conditions like high blood pressure, diabetes, and kidney disease. Managing your dog’s weight involves staying active, eating well, and keeping a consistent record of food intake, water consumption, and body weight.

2. Digestive issues

Common problems include indigestion, bloating, and gastroenteritis. Keep an eye out for signs like diarrhea, constipation, or loss of appetite. Regular vet check-ups to screen for parasites or infections are also important. Keep meal portions consistent and avoid rich, overly salty, or greasy foods.

2. Cataracts

Cataracts occur when the lens of the eye becomes cloudy with age. Early symptoms include reduced or blurry vision, color changes, light sensitivity, double vision, and nearsightedness. If your dog’s eyes appear cloudy, they keep bumping into things, seem to have a vacant stare, or startle easily, see a vet as soon as possible.

If cataracts are confirmed, adding soft padding around the home can help prevent injury. Try to keep furniture in consistent positions, and spend extra time with your dog to help them feel secure if they’ve become more easily startled.

To help prevent cataracts, include foods rich in vitamin C and lutein in their diet — eggs and tomatoes are good options. Limit prolonged UV exposure, and above all, maintain a balanced diet.

3. Canine dementia

Signs of dementia include not responding to their name, not recognizing their owner, barking for no reason, and loss of bladder or bowel control. If your dog shows these signs, get them checked by a vet. Caring for a dog with dementia requires patience and companionship, and you’ll need to be mindful of household hazards to keep them safe.

To help reduce the risk of dementia, keep your dog’s mind active through regular mental stimulation. Puzzle feeders at mealtimes are a fun way to engage their brain.

4. Skeletal degeneration

If your dog struggles to move the way they used to, or their front or back legs feel weak, take them to the vet promptly to check for conditions like disc herniation or arthritis. Ignoring these signs can mean missing the optimal treatment window, potentially leading to paralysis.

For dogs with limited mobility who spend long periods lying down, pressure sores can develop — switching to a softer, more comfortable bed can help.

To help prevent skeletal degeneration, reduce activities that involve stairs or steep hills. After walks, a gentle massage can help your dog relax and soothe their joints.

5. Dental and oral issues

Common problems include periodontal disease, tartar buildup, and tooth root inflammation. Brushing your dog’s teeth regularly — ideally daily, or at least once a week — goes a long way toward preventing oral issues. Dental chews can also be a helpful supplement.

6. Common chronic conditions

1. Heart disease

Regular health check-ups can help catch heart disease early. Common symptoms include reduced stamina, shortness of breath, coughing, and lower energy levels than before. If your dog is diagnosed, in addition to medication and monitoring, avoid letting them do intense exercise or experience strong emotional swings. Feed a low-sodium, low-salt, high-protein diet, and be mindful of weather changes — keep them from getting too cold or overheated.

2. Kidney disease

Common symptoms include frequent urination, excessive thirst, weight loss, lethargy, vomiting, and low energy. To help prevent kidney disease, schedule regular check-ups and minimize processed foods and unnecessary medications. If your dog is diagnosed, track their water intake and urination frequency closely, and make sure they have easy access to a bathroom area so they’re never forced to hold it.

3. Diabetes

Watch for signs like increased eating, drinking, and urination alongside sudden weight loss — these may indicate diabetes. If confirmed, managing blood sugar through diet and insulin injections will be necessary. Regular exercise, weight management, and plenty of vegetables and fruits in the diet can all help reduce the risk.

4. Tumors

There are three main types of tumors: hematological tumors, sarcomas, and adenocarcinomas — each of which can be benign or malignant. Regular X-rays, ultrasounds, and CT scans are important for early detection. You can also check for unusual lumps during bath time or when giving your dog a massage. For female dogs, spaying can help prevent mammary tumors.

If a tumor is confirmed, chemotherapy or surgery may be options, though not every dog is a suitable candidate and there are always risks involved.

7. Heartworm

Common symptoms include reduced activity, shortness of breath, and decreased appetite. Taking regular heartworm prevention medication and being mindful of mosquito exposure when outdoors are the best ways to keep heartworm at bay.

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These are the most common illnesses in senior dogs — though it’s worth noting that younger dogs can develop many of these conditions too. That’s why regular observation and routine health check-ups matter at every life stage. Never ignore unusual behavior; if something seems off, see a vet promptly so you don’t miss the best window for treatment.

Watching their diet, staying active, spending quality time together, and scheduling regular check-ups are all habits worth building from an early age — not just when your dog starts to get old. And no matter how old or unwell a dog becomes, please never abandon them.

If you have a senior dog at home and need to travel, what should you do? Fluv’s pet care platform has over 500 sitters experienced in senior dog care who can provide boarding services while you’re away. Your dog gets one-on-one dedicated attention in a sitter’s home, with professional care that lets you travel with peace of mind — and you’ll receive regular updates along the way!

Further reading: Pet boarding options: how to choose the best environment for your pet, a pet hotel price comparison, and home-style boarding explained | Updated 2023

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