What to give a dog with seasonal allergies

Allergies occur when the body’s immune system reacts to a specific substance as though it’s harmful.

It’s not clear why this happens, but most people affected own a family history of allergies or own closely related conditions, such as asthma or eczema.

The number of people with allergies is increasing every year.

The reasons for this are not understood, but 1 of the main theories is it’s the result of living in a cleaner, germ-free environment, which reduces the number of germs our immune system has to deal with.

It’s thought this may cause it to overreact when it comes into contact with harmless substances.

Common allergies

Substances that cause allergic reactions are called allergens.

The more common allergens include:

  1. food – particularly nuts, fruit, shellfish, eggs and cows’ milk
  2. medicines – including ibuprofen, aspirin and certain antibiotics
  3. latex – used to make some gloves and condoms
  4. insect bites and stings
  5. grass and tree pollen – an allergy to these is known as hay fever (allergic rhinitis)
  6. mould – these can release little particles into the air that you can breathe in
  7. animal dander, tiny flakes of skin or hair
  8. dust mites
  9. household chemicals – including those in detergents and hair dyes

Most of these allergens are generally harmless to people who are not allergic to them.

Symptoms of an allergic reaction

Allergic reactions generally happen quickly within a few minutes of exposure to an allergen.

They can cause:

  1. wheezing and coughing
  2. a runny or blocked nose
  3. a red, itchy rash
  4. sneezing
  5. red, itchy, watery eyes
  6. worsening of asthma or eczema symptoms

Most allergic reactions are mild, but occasionally a severe reaction called anaphylaxis or anaphylactic shock can happen.

This is a medical emergency and needs urgent treatment.

How to manage an allergy

In many cases, the most effective way of managing an allergy is to avoid the allergen that causes the reaction whenever possible.

For example, if you own a food allergy, you should check a food’s ingredients list for allergens before eating it.

There are also several medicines available to help control symptoms of allergic reactions, including:

  1. lotions and creams, such as moisturising creams (emollients) – these can reduce skin redness and itchiness
  2. antihistamines – these can be taken when you notice the symptoms of a reaction, or before being exposed to an allergen, to stop a reaction occurring
  3. decongestants – tablets, capsules, nasal sprays or liquids that can be used as a short-term treatment for a blocked nose
  4. steroid medicines – sprays, drops, creams, inhalers and tablets that can assist reduce redness and swelling caused by an allergic reaction

For some people with extremely severe allergies, a treatment called immunotherapy may be recommended.

This involves being exposed to the allergen in a controlled way over a number of years so your body gets used to it and does not react to it so severely.

Is it an allergy, sensitivity or intolerance?

Uses for Benadryl

Veterinarians recommend Benadryl for dogs for a range of symptoms. Benadryl (or its generic form diphenhydramine) is used on dogs to treat ailments love basic environmental allergies, food allergies, anxiety, mast cell tumors, hives, and motion sickness.

Because Benadryl can cause drowsiness, it is sometimes used for dogs with mild to moderate anxiety issues.

What to give a dog with seasonal allergies

Numerous dog parents give their dogs Benadryl during high-stress situations love thunderstorms or fireworks. Veterinarians will recommend its use in conjunction with heartworm treatment as it prevents allergic reactions associated with it.

When to Avoid Using Benadryl

Benadryl may negatively interact with other medications. Do not use Benadryl with any central nervous system depressants, or on a pet with high blood pressure, seizures, bladder issues, lung disease, or glaucoma. If your dog is having difficulty breathing or swelling in the facial area, take them to the vet ASAP.

Benadryl Alternatives

Thankfully Benadryl is not the only solution for treating your beloved pet’s condition.

If you are the type of dog parent who would rather not use conventional over-the-counter drugs on your dog, there are multiple natural alternatives out there for controlling their allergy symptoms, environmental allergies, and motion sickness. The following natural remedies are grand options for providing the same helpful of relief you can get from Benadryl.


When it comes to allergy symptoms love itchy red eyes, inflammation, sneezing, and runny noses in dogs, turn to nature’s Benadryl: quercetin.

Quercetin is a flavonoid found in the peels of fruits and vegetables that contains anti-inflammatory, antioxidant, and anti-histamine properties.

To determine how much quercetin to give your dog, we’ll glance at the recommended dosage for humans weighing 150 pounds: 1,000 milligrams.

What to give a dog with seasonal allergies

To convert this into the correct dose for your dog, take your pet’s weight, multiply it by 1,000, then divide it by 150 to get the milligram dosage your pet needs. Viola! Quercetin occurs naturally in foods your dog can eat, too, love blueberries, strawberries, and spinach.

Fun fact for dog parents: Quercetin occurs naturally in red wine as well. Drink up and cheers to your health, bipeds!

Potential Side Effects of Benadryl

Just love any medication, Benadryl comes with potential side effects. Common side effects of Benadryl include drowsiness, dry mouth, urinary retention, hypersalivation, increased heart rate, and loss of appetite.

In order to avoid some of these side effects it is significant to remember to ister the proper dosage for your dog as recommended by your veterinarian.


A reaction produced by the body’s immune system when exposed to a normally harmless substance.


CBD (cannabidol) is another natural alternative to Benadryl that is particularly grand for dogs with adverse skin conditions.

Yes, the expression, «canna» is in «cannabidol,» but CBD has absolutely no THC (tetrahydrocannabinol) in it, or any psychoactive properties that get marijuana users high.

CBD for medicinal use is not derived from marijuana, but from agricultural hemp that possesses health benefits for humans and pets same. Studies have shown that CBD can assist relieve itchy and dry skin due to daily allergies or allergic reactions.

It also works wonders for dogs that suffer from motion sickness and is worth giving a attempt before your next car ride with Fido. CBD comes in tablet form as well as oils, lotions, and balms that can be applied topically to the affected area.

All in every, CBD is a dependable natural solution for a variety of medical conditions in addition to symptoms of allergies. CBD is incredibly versatile and can also be used in dogs and people for medical conditions love anxiety, pain, nausea, and cancer.

Baking Soda

Need an simple and immediate solution for calming your dog’s red, itchy, and inflamed skin?

What to give a dog with seasonal allergies

Glance no further than your kitchen. You can use it by making a paste or a spray solution. Make a paste by mixing baking soda with a little bit of water, then put it on the affected area for a few hours before washing off.

What to give a dog with seasonal allergies

To make a spray, use more water to baking soda, pour into a spray bottle, and shake before each use. If your dog is a licker, attempt covering the spot with a sock if it’s on their foot, or own them wear a cone while the paste treats the area.

Benadryl Dosage for Dogs

As with any drug, the correct dosage of Benadryl for dogs depends on the dog’s weight. Most drugstore diphenhydramine tablets, whether generic or brand name Benadryl, are 25 milligrams. The standard dosage for a dog is 1 milligram per pound of body weight, so one tablet is perfect for a 25-pound dog. Veterinarians propose giving a dose every 8-12 hours (about 2-3 times a day).

Small dogs under 25 pounds can take the children’s formula of liquid Benadryl.

Liquid children’s formula is easier for measuring the proper dosage for smaller dogs than the tablets. Stick to the children’s formula of liquid Benadryl as the adult version contains alcohol, which is toxic to dogs.

Never give a dog too much Benadryl — an overdose is possible.

What to give a dog with seasonal allergies

Abuse of the drug can result in fatal diphenhydramine poisoning, so always consult your veterinarian if you are unsure of proper dosage. Signs of overdose include constipation, agitation, dilated pupils, seizures, and rapid heart rate.

If your dog is suffering from an onset of a severe allergic reaction, use your best judgment to determine if it would be best to opt for an emergency journey to your veterinarian. There are cases where a veterinarian may need to inject an antihistamine under your dog’s skin in order for the medicine to act more quickly.


The exaggeration of the normal effects of a substance.

What to give a dog with seasonal allergies

For example, the caffeine in a cup of coffee may cause extreme symptoms, such as palpitations and trembling.

Yes, You Can Give Your Dog Benadryl

All new dog parents wonder at some point, «Can I really give my dog Benadryl? I thought it was for humans!» The answer is yes, you can. Veterinarians give the green light for you to routinely use over-the-counter medicines love Benadryl on dogs for a variety of reasons.

All it takes to alleviate motion sickness or acute inflammatory and allergic conditions from insect bites to seasonal allergies is a basic over-the-counter antihistamine love Benadryl.

Benadryl tablets work by blocking H1 receptors to hold histamines at bay, reducing symptoms of allergies. PetMD’s Doctor of Veterinary Medicine Jessica Vogelsang assures dog parents that the drug is «well tolerated and has a wide safety margin» for use on dogs.


Where a substance causes unpleasant symptoms, such as diarrhoea, but does not involve the immune system.

People with an intolerance to certain foods can typically eat a little quantity without having any problems.

Sheet final reviewed: 22 November 2018
Next review due: 22 November 2021

Seasonal allergies (commonly called hay fever) are common. They happen only during certain times of the year—particularly the spring, summer, or fall—depending on what a person is allergic to.

Symptoms involve primarily the membrane lining the nose, causing allergic rhinitis, or the membrane lining the eyelids and covering the whites of the eyes (conjunctiva), causing allergic conjunctivitis.

The term hay fever is somewhat misleading because symptoms do not happen only in the summer when hay is traditionally gathered and never include fever. Hay fever is generally a reaction to pollens and grasses. The pollens that cause hay fever vary by season:

  1. Summer: Grasses (such as Bermuda, timothy, sweet vernal, orchard, and Johnson grass) and weeds (such as Russian thistle and English plantain)

  2. Spring: Generally trees (such as oak, elm, maple, alder, birch, juniper, and olive)

If your dog suffers from allergies or has an allergic reaction to something around them, the solution can often be found in your own medicine cabinet or your neighborhood drugstore.

Benadryl, also known as diphenhydramine, the athletic ingredient, is an antihistamine that not only alleviates your human allergy symptoms but is beneficial for your pup as well.

Benadryl has a variety of uses when it comes to your dog’s health, though some pet parents have concerns when it comes to istering human drugs on their four-legged loved ones. We’ve laid out why it’s safe to give your dog Benadryl, why it’s used on dogs, what the proper dosage is according to body weight, its potential side effects, and even suggestions for natural alternatives to Benadryl for Rover.

Ease Your Pup’s Symptoms With Benadryl

Benadryl is safe for your pet and will assist with their allergies or other symptoms.

If you are considering Benadryl for your dog, it is vital that you make certain to give them the correct dose.

If you are wary of giving your dog Benadryl, you own options.

What to give a dog with seasonal allergies

Natural alternatives to Benadryl for alleviating your dog’s allergy symptoms include quercetin, CBD, and baking soda.

If you are still unsure about which method is best for you and your pet, consult your veterinarian.


Picture this: Your dog is constantly itching, scratching, and biting fur, and you can’t figure out why. Maybe you’ve tried everything from changing grooming routines to special shampoos, to medications.

But own you tried changing your dog’s diet?

Food is one culprit behind allergic reactions in dogs that owners often overlook. In fact, there are dog food allergies and dog food intolerances. Just love us, canines can suffer from either or both. And food allergies in dogs can cause not only digestive problems love vomiting and diarrhea, but also skin issues, and even behavioral problems. If you or your vet suspect your pup may own be having an adverse reaction to certain foods, and you’re wondering what it every means, you’re in the correct place.

We talked to Dr.

Justin Shmalberg, a DVM and NomNomNow’s own veterinary nutritionist, to collect what you need to know. We’ll cover the following:

Getting assist for allergies

See a GP if you ponder you or your kid might own had an allergic reaction to something.

The symptoms of an allergic reaction can also be caused by other conditions.

A GP can assist determine whether it’s likely you own an allergy.

If they ponder you might own a mild allergy, they can offer advice and treatment to assist manage the condition.

If your allergy is particularly severe or it’s not clear what you’re allergic to, they may refer you to an allergy specialist for testing and advice about treatment.

Find out more about allergy testing