Linda Ryder, D.V.M.

Helpful Tips

image 014 200 300Here you will find helpful tips from Dr. Ryder for your dog or cat.

Many have used hydrogen peroxide to induce vomiting in dogs, but that choice is not without risks. It works by creating mouth irritation as well as in the stomach and esophagus. Results can include continued vomiting or decreased appetite. When this happens, the patient is often treated with antacids and stomach protectants until the gut has an opportunity to heal.

In some cases, however, the side effects can advance to severe gastritis, stomach inflammation, ulceration, and even death from internal bleeding due to toxicity. It can also cause gas emboli which is an air clot in the vessels.

There are many safer alternatives to using hydrogen peroxide to induce vomiting. Vets often recommend and prescribe apomorphine via an IV. Or, a small tablet can be placed under the lower eyelid to absorption.

If your dog has ingested something toxic, it is typically best to bring the pet immediately to a vet. If your dog has ingested rat poisoning or something else similarly toxic, then using hydrogen peroxide would be better in most cases than allowing the toxin to be absorbed.

If you must us it, remember that you should never use hydrogen peroxide that is more concentrated than three percent. The dose of three percent hydrogen peroxide is one milliliter per pound of dog. For example, a twenty- pound dog would get twenty milliliters or about four teaspoons.

Not all dogs will vomit when given hydrogen peroxide. And it should NOT be given to cats.

The best course of action if you think your dog has ingested something toxic is to IMMEDIATEY call the Pet Poison Hotline: 1-855-764-7661. Then contact your vet as quickly as possible.


Electronic cigarettes, or “e-cigarettes,” are increasingly popular devices that simulate smoking. They are now commonly found in many households. Please be careful where they are placed and consumed. They can be very dangerous to your pets due to the liquid nicotine and other chemicals contained in them.

These products are often poorly labeled, and can contain dangerously high levels of nicotine and sometimes other substances such as diethylene glycol. The liquid form of nicotine is absorbed very quickly, and it can endanger pets in numerous body systems including the cardiovascular system, the gastrointestinal system, and the central nervous system.

Some possible effects of this ingestion include muscle weakness, salivation, excitation, diarrhea, slow respiration, and twitching. Contact your veterinarian if you suspect that your pets have chewed on or consumed these products, as extreme cases of ingestion can even cause death.

It critically important to keep these products away from your beloved four-legged family members.


Purina vet, Dr. Zara Boland, wrote an article reminding us to be cautious with holiday decorations, foods, and other seasonal items.

I offer a summary blow and wish you and your four-legged family members a safe and happy holiday.

  1. Add special tags marked “PET HAZARDOUS” to gifts that are not pet-friendly. If you are giving a gift to a pet owner, this is an essential step to making it a happy holiday for all members of the family.
  2. Ribbons and hanging electrical components can be very dangerous to curious pets. Keep them safely out of reach.
  3. Some holiday plants are very toxic to pets including poinsettias, lilies, mistletoe, and holly. Keep them well out of reach as well.
  4. Some seasonal ingredients are very threatening to pets’ safety and health. Avoid giving them access to grapes, raisins, chocolates, and the commonly used sugar alternative: Xylitol.
  5. Keep purses and coats that may contain harmful contents away from your pets. Pockets and purses may contain ibuprofen, decongestants, and other products that can harm your beloved pets. Most chewing gums contain the aforementioned Xylitol.

Happy holidays to all from the staff at Companion Animal House Calls!


National Pet Suffocation Awareness Week is from 11/25-12/1/18. So, this topic is not only timely, but very important.

Your pet can be endangered by an item everyone has in their homes: a potato chip, cereal, treat, or trash bag. This common household hazard should be properly stored or discarded. Most people are not even aware of this harm until after having a horrific loss experience.

It’s a fact: ninety percent of those who lost a pet did not know about this danger until it happened to them. Tell your family, neighbors, and friends about this serious threat. Please!

Statistics reveal that three to five pet suffocations are reported weekly and forty-two percent of them occur while the pet owner is in the next room. It only takes about three minutes for a pet’s oxygen level to drop to fatal levels.

The story of Petey, a Pitti pup who died from suffocation, was recently on the Today Show, and while the program increased awareness, it’s important to continue to alert pet owners about this matter of utmost importance.

To avoid the heartbreak, devastation, and guilt from this type of loss, be and stay aware. Tell others who own pets and ask each of them to tell at least two more people. You may save many lives and the pain of mourning a loved one.

Source: Messenger, September 2018

It’s getting close to that time of year when trick-or-treaters appear at your door with bags to be filled with holiday treats.  While many people enjoy Halloween, most pets do not.  Pets can become alarmed by frightening costumes, and can get in danger if they get into candies, or scary situations.  Purina experts and vets, Dr. Marty Becker and Dr. Ragen Mc Gowan, have provided a few suggestions on the Purina Pet Care website for keeping your pets happy during this holiday.  They are worth noting!

  1. Keep your pets inside for Halloween. Be sure they have proper identification in case they get out and wander away to avoid frightening scenarios.
  2. Keep candy well out of their reach. Most pet owners know that chocolate is a “big no-no,” but consuming other candies can also promote illnesses such as diarrhea, vomiting, and even poisoning.
  3. In the weeks and days before Halloween, use your doorbell or knock before you enter your own home, and ask visiting friends to do the same. It will allow pets to get used to the noise. Reward your pet with a safe treat for not barking at the sound of the doorbell or knocking.
  4. It’s best to choose a Halloween-themed collar and leash for your four-legged family member, rather than a costume. Pets do not typically like elastic around their head or neck area, and some material can result in overheating.
  5. Consult your vet if your pet is easily alarmed to obtain a prescription to help keep him or her feeling calm and secure while the ghosts and goblins are in your neighborhood.
Given the recent torrential downpours cause by Hurricane Florence and the recent tornadoes in the metro Richmond area, it is necessary to be extremely cautious about letting your pets drink water that is outdoors.  Standing water is a perfect home for bacteria, and one in particular that is always present is “lepto.”  
Lepto is transmitted most commonly through rodent urine, so it can appear most anywhere outdoors--not just in water.  Common signs of contamination in pets include vomiting, diarrhea, and other flu-like symptoms.  
Pets tend to dramatically increase their water in-take, and thus urinate more frequently.  This is a sign that kidneys may be compromised.  Pets may become jaundiced if the liver has been affected.  A common sign of jaundice is yellowing of the eyes and skin.
What should you do?  Prevention is a favored option. While not a common vaccination, it is available.  The good news is the disease is treatable if it is caught in its early stages.  Otherwise, it can become deadly.
Consult your veterinarian if you have any concerns--as always.  This condition is most prevalent in autumn.    

It’s the time of year that folks are using fertilizers to enhance their gardens. Many of them contain fillers such as corn cobs, and bone and fish meal. Dogs and other pets may be tempted to tear open these bags and then eat the contents. This can be quite dangerous. GI upset is the most common symptom, but others can occur as well such as muscle stiffness or soreness.

If the quantity is too large, food boat or GDV are both concerns. Also, if the product is moldy and tremorgenic mycotoxins exist, your pet may experience tremors and seizures.

As you can see, it’s important that you keep fertilizers in sealed containers away from access to your four-legged family members. In addition, make sure preparations in flower beds and landscaping are dry before you let them out to play. Two hours is the general recommendation to allow complete drying and thus greater safety for your pets.


As the Summer temperatures are starting to rise, it’s important to be sure your pets have unlimited access to water, and shade. Since parasites, such as ticks, fleas, and heartworms are more prevalent in this season, be sure to consult your veterinarian to obtain proper preventative products.

NEVER leave your pet in the car! Cars can overheat very, very quickly--even when parked in the shade, or with the windows down or sunroof cracked. In hot weather, putting your pet in this environment can be deadly.

Avoid walking pets on hot surfaces such as asphalt and concrete. Paws can be easily burned.

Place gardening insecticides and fertilizers out of your pets’ reach. Their curiosity may tempt them to consume these potentially poisonous mixtures.

Don’t use cocoa bean mulch. It has the same toxin found in chocolate which is a big no-no for your pets.

Take your pets out for walks during the coolest hours of the day. Give them ample time to rest before and after outdoor excursions.

Keep your vet’s phone number (804-360-3795) handy. Also keep the Poison Control number (888-426-4435) posted in a convenient location.

Enjoy the sunshine with your animals, but remain conscientious about decisions you make that affect your four-legged family members in hot weather.


“Whisker fatigue” is a relatively new theory which states that cats can become stressed from eating and drinking out of deep food bowls because their whiskers are sensitive and are in constant contact with the sides of the bowl. This is according to Lisa Polazzi, an ER vet. This scenario may cause the cat to avoid the food bowl, and the owner might be tempted to assume the cat is just being a finicky eater.

Of course other problems may exist that cause your cat not to eat or drink from his food bowl such as having dental disease or some other health issues. In such cases, your vet should be consulted immediately.

What are some common signs of whisker fatigue? You cat may paw or pull food out of the bowl to eat it on the floor. Or, she may make a mess around the bowl while eating. In addition, she may leave food in her bowl, but still seem to be hungry. Or, she may approach the food bowl with unreasonable caution. Finally, she may act as though she wants to eat, but just paces around nervously. All of these can be signs of whisker fatigue.

A cat’s whickers not only help with eating, but they also help them navigate in the dark. Whiskers have a special sensory organ on them which sends messages to the brain and nervous system. They are so very sensitive that they can even detect differences in the wind which can help them chase prey.

A special organ on each whisker is a proprioceptor which is a tactile sensor. Because these whiskers have a special sensor on them, they should never be trimmed.

Should you be concerned about your cat having whisker fatigue, it is best to contact your vet for an analysis.

Source: Dr. Norman Booker at Hobart Animal Clinic

Our canine family members are predisposed to licking because it is one of their natural instincts. Licking is typically first experienced when pups are groomed by their mothers in their earliest days. It can therefore be associated with comfort and feeling soothed.

There are several other legitimate reasons for licking as well including: as a sensory tool (licking and tasting to dogs is like reaching out and touching to humans); to get attention; as a form of greeting; due to a behavioral disorder such as O-CD (Obsessive-Compulsive Disorder); or as a sign of affection.

If licking becomes too much of a preoccupation with your dog, you may need the assistance of a certified trained or a veterinary behaviorist.

If you have concerns, consult your dog’s vet first. Your vet may be able to help you get your pet to abandon this activity--especially during early stages of life as a puppy.


Chocolate and flowers are considered lovely Valentine’s Day traditions for us humans, but they can be toxic to our pets.

The following list was compiled by the ASPCA Animal Poison Control Center of common poisonous products often shared on this special day:

  1. Chocolate – often contains additional fillings which may increase the risk of pancreatitis; also some chocolates contain raisins and xylitol which is toxic to dogs.
  2. Flowers – although roses are traditionally given for Valentine’s Day, mixed bouquets are also common and may contain lilies which can cause acute kidney injury in cats if ingested. The safest thing to do is get a list of the flowers in the bouquet so you can protect your pet.
  3. Marijuana – with the legalization of medical and recreational marijuana, exposure to our pets is on the rise. This drug may also be found in chocolates, baked goods, or even lotions-- so be wary.
  4. Onions and Garlic – diced onions may be on the menu for us on this fun day, but they should not be on the menu for your pets. In cats, 5 grams per kilogram of body weight and in dogs 15 grams per kilogram or more of onions may cause a drop in red blood cell counts.
  5. Wine – while grapes in wine have not proven to be an issue for dogs, the alcohol content may cause problems.
  6. Gum – often contains xylitol which is toxic to dogs.
  7. Perfume – a dog who licks the owner’s skin after a recent application can become ill. These products are composed of essential oils and alcohols which in small amounts may cause the pet to wonder what he or she has just tasted, but it is not likely to make them sick.
  8. Personal lubricants – most of these products cause gastrointestinal distress – typically diarrhea. Some contain xylitol, so read all ingredients carefully and stop your pet from licking you.


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We are closed Saturday and Sunday.

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House calls are available
in the following RVA areas:

Ashland, Beaverdam, Chesterfield, Goochland, Hanover, Henrico, Louisa, Mechanicsville, Midlothian, Montpelier, Powhatan, Richmond, and Varina.