Should You Give Your Old Dog an Appetite Stimulant

Should you use appetite stimulants for dogs

It’s not uncommon for a senior pup to lose interest in eating at times, so when that happens should you give your old dog an appetite stimulant? Your dog needs to eat no question about it, and depending on the cause a stimulant is often recommended but… I do not suggest picking one up randomly and giving it to your dog. The first thing you should do is call your vet and make an appointment to be seen as soon as possible.

Allowing an old dog to go without food for more than a day or two can be dangerous, especially if the reason is an undiagnosed medical condition. Old dogs can go downhill very quickly, so when it comes to my pups I never adopt a “wait and see” attitude.  

*There are affiliate links in this post, so if you buy something I may receive a commission. It has no effect on the price you pay, but will help me raise much needed funds for my feral cat spay/neuter project.*

What is an appetite stimulant?

Just as the name suggests, it is something to stimulate your dog to eat.

Whenever someone mentions those words I immediately think of drugs. Do you? It turns out there are natural products to try that may be used in conjunction with medication, or perhaps instead of. That will depend on what’s going on, what your vet has to say and whether or not he or she incorporates alternative therapies into his practice.

What you need to know about appetite stimulants for dogs

My struggles with Red and her appetite issues

Frequent visitors to my website are familiar with Red, my heart dog who gained her wings last year, the love of my life and inspiration for my website Caring for a Senior Dog.

In the last couple of years of her life she started having some real issues with lack of interest in her food. It was very disconcerting because I used to refer to her as a vacuum cleaner, there wasn’t a type of food she wouldn’t devour.

The two conditions that were a direct cause were chronic pancreatitis and dementia. When she had trouble eating my vet would recommend Pro-Kolin by Protexin, a probiotic paste to help with digestion issues and Cerenia for nausea.

In addition to those two aids, there were other things I did that made a big difference.

I made a list of all the human foods that were safe for her to eat so I could rotate them.

Warming up her food in the microwave worked very well.

I cut up her canned food, baked it and used it for treats and meals. The length of time you’ll keep it in the oven will depend on how hard or soft you want the pieces. You’ll probably have to try different textures to see what your dog will eat.

Feeding her 4 or 5 smaller meals a day also helped a lot. Your dog may feel a bit more nauseous in the morning, or feel better after a walk and be more inclined to eat.

Sitting on the floor with her while she ate and holding the bowl up under her nose. Sometimes hand feeding worked too!

Reasons your dog may not be eating

  • Fireworks, thunderstorms or even construction in the neighbourhood has stressed your dog 
  • An animal companion recently died and he’s mourning that loss
  • You’ve recently changed his diet and he doesn’t like the new food or it’s upsetting his stomach
  • Your dog is not getting any exercise, barely leaves the house so is bored and depressed
  • Someone new has joined your household
  • He may have eaten something he found on one of his walks and he’s feeling sick because of it
  • He’s fed up with the same kibble year after year
  • He’s having some dental issues that’s making it painful to eat
  • You bought him a new bowl (that’s right it can cause problems)
  • His schedule has changed recently and he’s out of sorts
  • His senses have become dulled, a natural part of aging, so he doesn’t see or smell the food very well
  • Mobility issues are making it hard for him to reach down, or up to his bowl (if you have an elevated feeder)
  • Feeling nauseous due to a reaction to new medication
  • Dementia is causing him to be confused, not realising he’s hungry or can’t find the bowl
  • Illnesses such as cancer, Cushing’s, pancreatitis and liver problems can cause nausea
  • An illness your dog already suffers from has gotten worse

What’s the next step?

Review the list above, brainstorm with others in the family, and think about whether any of the above can be the cause. If you can’t think of any changes that could be affecting your dog, make a vet appointment.  

In order to make your visit as productive as possible, make notes before your appointment.

Here are some things to jot down

  • Is your dog eating something or nothing at all?
  • Is he turning his nose up at his food but happy to eat yours?
  • How long has this been going on?
  • Is he still drinking?
  • Have there been any changes in the house recently? Changes to his routine?
  • Any other new/worrying behaviours you’ve been noticing?

After your chat the vet will examine your dog and likely take his temperature. Based on the physical exam and things you’ve discussed, he could have a pretty good idea what’s going on. Blood tests may be needed to figure out what’s going on or confirm his theory.

Has your vet recommended appetite stimulants for dogs

Your vet is recommending an appetite stimulant

He will explain how quickly you can expect to see results, and advise on how long the treatment needs to continue. Make sure to ask him what happens if your dog doesn’t start eating.

In Red’s case my vet would give her a shot of anti-nausea medication, then send me home with tablets (Cerenia). An injection is fast acting which meant she would feel better quicker, start eating and re-gain her strength. That was usually in combination with the Pro-Kolin I mentioned earlier.

What is the best appetite stimulant?

The “best” is what works for your dog, so let’s look at this list of options.  Please check with your vet before starting any new medication or food. 

Entyce is a prescription medication that “stimulates appetite by mimicking the effect of the hunger hormone ghrelin.” For more information about this product, visit their website.

Mirtazapine is also a prescription medication and is often prescribed by vets to treat loss of appetite. This article “ Mirtazapine For Dogs and Cats” will give you more information about this drug.  

Acupuncture has been known to stimulate appetite by reducing nausea. You may still need medication used in conjunction, but speak to your vet or holistic vet. To learn more about all the ways acupuncture can benefit your old dog, visit the American Academy of Veterinary Acupuncture (AAVA) website.  

Cerenia is a drug Red used with great success to treat her nausea and get her eating again. According to their website it is the “first and only FDA-approved anti-vomiting medication for dogs and cats.” Even though Red wasn’t throwing up it worked wonders. As I mentioned my vet would give her an injection at the clinic, then she would take it for about a week in tablet form. Click here for more information about this product.  

Meclizine is a human over the counter anti histamine medication, and one of the things it helps treat is nausea caused by vestibular disease in dogs. Even though it’s easy to buy, please consult with your vet first as there can be side effects and interactions. Brand names are Antivert®, Dramamine® Less Drowsy Formula, Bonine®, Bonamine®, Postafen®, Univert®

CBD oil is used to help old dogs with everything from mobility issues and pain to seizures and yes even appetite stimulation. Don’t worry it doesn’t contain THC so your dog won’t get high, but with the number of companies popping up there can be huge differences in quality and of course efficacy.

Some of the brands recommended by my FB group members include –

  • Nuleaf
  • HempMy Pet
  • Source 
  • Bluebird Botanicals
  • CBD Brothers
  • American Shaman
  • Holistapet
  • Blooming Culture
  • Lazarus Naturals
  • Creating Brighter Days (Canadian company)
  • HempRX from Rx Vitamins for Pets
  • Canna-Pet
  • Innovet
  • Pure Life (UK)

appetite stimulants for an old dog not eating

Nutribound® by Virbac “is a highly palatable, liquid, complementary feed which helps to stimulates eating and drinking in cats and dogs, and has been formulated to help pets who need encouragement to eat and drink, be they recovering from surgery, illness or for those who are experiencing a general lack of interest in food or water.” This is UK information, the product may be known by a different name in the U.S. 

Pro-Kolin+ by Protexin is what my vet recommends, you can learn more here

Hand feeding may help, as well as holding your dog’s bowl up to his nose.

Try a different brand of food or different flavour of the same brand. Be careful not to introduce a new brand too quickly or in too large of a quantity or you’ll be dealing with an upset stomach.

Warming up your dog’s food is a super simple and effective way to get your dog interested. It certainly worked for Red!

Exercise is something many senior dogs don’t get enough of. Just yesterday I read a comment from a woman who takes her old dog out just 3 times a week!!! I couldn’t believe it and I felt so sorry for that pup. I know arthritis and other mobility issues can make it more difficult, but with the proper medication, supplements and mobility aids most dogs should be able to get out 2 or 3 times a day, even if only 15 minutes or so at a time.

Leaving him stuck in the house can cause boredom and depression so it’s no wonder he’s not interested in eating!

Try a variety of human foods but ask your vet if they’re okay. Here are a few suggestions but start with small amounts –

  • Baby food
  • Bone broth – very nutritious and super easy to make
  • Grated cheese on top of his food
  • Scrambled eggs (no oil) with or without cheese
  • Cooked oatmeal
  • Diced ham and rice warmed in microwave
  • Peanut butter (check there’s no xylitol and be careful of sugar content for heart issues)
  • Roll of dog food (like a salami roll) you can slice up the daily amount and feed it throughout the day
  • Tuna packed in water
  • Meat scraps
  • Pumpkin or sweet potatoes mixed in with food
  • Sardines
  • Mackerel
  • Cottage cheese
  • Rotisserie chicken (watch out for spices)
  • Chicken soup
  • Steak
  • Tinned cat food
  • Homemade chicken and rice
  • Low salt ready-made broth
  • Blend dry food until it’s almost dust and mix with canned food
  • Single ingredient freeze dried meal toppers
  • Puree cooked vegetables and put a couple of tablespoons on food daily
  • Unflavoured yogurt
  • Cooked broccoli
  • Add mashed up sweet potatoes, pumpkin and broccoli
  • Boiled chicken tenderloins cut up, add noodles, water or bone broth, add a bit of dry dog food, cooked peas and carrots, mix well serve warm and moist. You could try lean ground beef.
  • Organic ground turkey mixed with turmeric golden paste, cooked vegetables (broccoli, cauliflower and carrots) and blend.
  • Ground turkey burgers
  • Canned pumpkin


I’ve been doing research into things like essential oils, herbs and other alternative options. There are a few listed here for those who are interested, but to learn more I recommend you find a holistic vet or integrative vet in your area. 

Yuca root may help boost appetite. I found some information about it on a website called NHV Natural Pet.

Slippery elm is an herb that coats the stomach and may help relieve pain that is making it uncomfortable for your dog to eat.

Seacure is a supplement designed to treat malnutrition.

Antacids such as Zantac or Pepcid

Dried peppermint, fennel, alfalfa, or dill sprinkled on food.

Denes Nux Vomica is a homeopathic remedy that is supposed to help with several issues including stimulating appetite.

Malted Kelp by Dorwest contains “Powdered fucus vesiculosis 360mg, Malt extract 90mg, Anise oil” and they claim it helps stimulate appetite. To learn more about this product and the company visit their website. Dorwest is sold in many countries so search for a distributor in your area. My dog takes their Glucosamine & Chondroitin tablets. 

Diffusing lavender oil may help your dog relax if stress is the reason for him not eating.


How about sharing your experience. Did your dog suddenly stop eating or did he first become fussy? Were you able to figure out the reason on your own or did you see the vet? Did he recommend an appetite stimulant, and if yes which one? How long until your pup started eating again? It’s such a stressful time for senior dog parents, so sharing definitely helps others just leave your comments below. 


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I am pleased to offer One on One Senior Dog Care Support. It is a private session tailor made to your concerns – behaviour, nutrition, health challenges, quality of life, pet loss and grief.

**I would like to invite you to join Senior Dog Care Club, my Facebook group for senior dog parents. It is a wonderful community where you will find lots of helpful tips and advice, a place to ask questions and share experiences. I look forward to welcoming you.**

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