Can melatonin hurt dogs?

According to the American Society for the Prevention of Cruelty to Animals (ASPCA), melatonin is a safe supplement10 to give to your dog. Melatonin has little risk for harmful side effects11. The most common side effect is lethargy upon waking the next morning.

Most pet stores and online merchants sell melatonin supplements over the counter. If you’re considering giving your dog melatonin, there are a few things you should know before you start giving it to your dog.

The answer is yes. Melatonin has a very broad safe dosage range and low toxicity. Melatonin is being used by pet owners to help dogs who struggle to fall asleep in kennels or crates or who experience anxiety or stress from separation disorders.

Dogs who receive melatonin before bed won’t experience much of a problem if they become sleepy. If you administer melatonin to your dog at the incorrect time of day, he could become unresponsive or uncoordinated for a few hours.

Some dogs, particularly those who are not used to taking melatonin, may experience digestive upset after taking it. Before giving your dog melatonin, you might want to give him a little food if he has a sensitive digestive system to prevent upset stomach.

Start with small doses and increase as necessary because some dogs are more sensitive than others. Some dogs who take melatonin supplements may also experience heart palpitations.

Melatonin is safe, according to research, but when given to dogs in high doses or along with certain medications, it can have unfavorable effects.

As with many dietary supplements, there might be unrecognized negative effects when melatonin is used by dogs.

Animal melatonin lethal dose could not be established. This is because melatonin does not cause death even in very high doses; instead, it only causes drowsiness, confusion, and loss of coordination.

A study found that even an extremely high dose of melatonin—362 mg/lb of body weight—was not fatal to dogs.

Melatonin Side Effects in Dogs

Even though melatonin is generally thought to be safe for dogs, it’s still important to consult your vet before giving it to your pet.

The dosage will depend on the dog’s size and drug sensitivity. It’s crucial to have your veterinarian review the ingredients in the supplement. According to Haynes, some melatonin brands contain xylitol, which is toxic to dogs.

The biggest side effect to melatonin is drowsiness. Additionally, it may upset the digestive system and increase heart rate in some animals. It can also result in insulin resistance in diabetic animals and affect the female dog’s reproductive cycle.

Additionally, it’s crucial to consult your veterinarian to ensure that the supplement won’t conflict with any medications your dog is currently taking.

Melatonin may also cause an allergic reaction in your dog, just like any medication, according to Morgan. Although I’ve never witnessed it, it’s something to be aware of. ”.

Find food that fits your pet’s needs

If your dog is prone to anxiety, you might be concerned about whether melatonin is safe for them. In fact, veterinary professionals recommend melatonin for dogs to help with sleep disorders, mild anxiety, and other problems. Read on to find out how melatonin may help dogs. Always consult your veterinarian before giving your pet any kind of medication or dietary supplement.

Melatonin, a hormone that occurs naturally in mammals’ pineal glands and controls sleep cycles by signaling to the body when it is time to go to bed and wake up During the day, melatonin levels are lowest and are highest at night.

Most melatonin supplements are synthetic. However, purportedly natural melatonin supplements come from the pineal glands of animals.

Final thoughts on melatonin for dogs

Dog owners can give their dogs melatonin, a natural supplement, but they should never treat any ailments in their canines without first consulting a qualified veterinarian. Few studies have been done on the effectiveness of melatonin for dogs, and the best evidence is anecdotal.

There is a very small chance for negative reactions when taking melatonin supplements, but there may be a much higher risk if given to dogs who are already taking medication for other conditions. Melatonin should never be given to puppies or pregnant dogs as it can have serious side effects.

We say this a lot but always consult your vet. A veterinarian should always be your first port of call when it comes to your dog’s health and wellbeing before attempting to treat them yourself. A veterinarian will be able to advise you on the best brand of melatonin supplements to use, as well as the appropriate melatonin dose, if any, for your dog. Share this Article.


How much melatonin can a dog take?

Melatonin Dosage for Dogs: Typically, it is advised to administer 1 to 6 milligrams orally every eight to twenty-four hours. When used for sleep as opposed to for behavioral issues and skin conditions, dosages are typically lower and less frequent.

What happens if a dog eats a melatonin?

After consuming melatonin, your dog might feel sleepy or queasy. Watch out for additional changes as well, such as allergic reactions such as nausea, vomiting, or general itching. If your dog starts exhibiting any of these symptoms, consult a vet.

Will 10 mg of melatonin hurt a dog?

Although there is little scientific evidence supporting the use of melatonin in dogs, it is generally accepted that giving it to our canine friends is safe.