Ant bites on dogs may be considered a minor nuisance, but when dogs stick their curious noses into certain ants' business, it can result in extremely painful welts and potentially life-threatening toxicity. If your dog gets attacked by ants, then watching for symptoms of a severe reaction and seeking veterinarian treatment could help save your dog's life. Here's what pet parents should know about ant bites on dogs.
Red and black imported fire ants are the most dangerous stinging ants you or your dog may encounter. These aggressive ants attack in swarms, latching onto skin and stinging repeatedly. Excessive swelling, nausea, or difficulty breathing are signs of a dangerous allergic reaction. Seek medical attention right away.
Ant bites are red, raised bumps caused by an ant's mandibles (mouth parts) pinching a dog's skin. These bites can be painful and itchy, and some ant bites may draw blood, but bites are not generally considered dangerous.
Ant stings are welts or pus-filled bumps caused by contact with stingers that some ants have on their abdomens. Stingers inject a small amount of venom that causes a local reaction and may also trigger an allergic reaction in some dogs.
Ant bites and stings can occur anywhere on a dog's body, but they most often occur on the face and paws.
Ant bites and stings can be painful and cause the affected site to become red and swollen. Dogs that get bitten or stung may yelp in pain, hold up the affected limb, or scratch the affected skin.
Ant bites do not always cause symptoms. Mild bites or stings may not be painful and disappear on their own. However, some ant stings can be severe enough to cause an allergic reaction. Dogs with underlying health conditions may be more vulnerable, and small dogs may experience more serious reactions from numerous stings.
Dogs with severe allergic reactions may experience facial swelling and trouble breathing. Anaphylaxis is technically possible, but this has not been reported in dogs.
Dogs are most likely to get bitten or stung by ants when they:
Fire ant colonies are known to be aggressive and attack when their nests are disturbed. The fire ant attaches to the animal with its mandible and injects venom from a stinger that comes out of the abdomen.
Fire ants are the most common types of ants that cause severe reactions. Fire ants are typically found in the southeastern regions of the United States but may be seen as far west as Texas and as far north as Ohio.
Red harvester ants are reluctant to sting, but their stings are very painful and the injected toxin can cause serious systemic reactions, particularly in small dogs.
Ant bites and stings aren't always readily distinguishable from the bites and stings of other bugs, but if you know that your dog encountered ants (stepped in a known anthill or has ants in its fur), then diagnosing the cause of its red, bumpy skin will be easy.
If your dog suffers an allergic reaction, then identifying the insect at fault will help your vet quickly determine the best treatment.
The treatment of ant bites and stings in a dog will depend on the severity of the attack. The pain or itchiness from ant bites is often self-limiting; it tends to go away on its own without the need for medical intervention. Ant stings may cause allergic reactions that require veterinary attention. Be sure to contact your veterinarian for advice after your dog has been bitten or stung by any insects.
If a dog suffers a severe allergic reaction to stinging ants, then veterinary attention is required immediately. Your vet may administer intravenous injections of epinephrine (adrenaline), steroids, and/or antihistamines to help reduce your dog's allergic response. Oxygen will also be supplied if your dog is having trouble breathing. Some dogs will need to be hospitalized for supportive care.
Most dogs fully recover from ant bites and stings within a couple of days and require no medical treatment. Rare cases of severe allergic reactions can be fatal, but swift veterinary attention can usually counteract the reaction. With supportive care, these dogs recover as well.
The best way to protect your dog from ant bites and stings is to prevent encounters with ants and their nests. The following preventative measures can help:
Bring your dog to the vet immediately if your dog is having trouble breathing or is in extreme pain after an ant bite or sting. Contact your vet for advice if you notice swelling, redness, itching, or mild to moderate pain.
Ant bites often look like small red bumps on the skin. Ant stings are more obvious and may look like welts or pustules. The affected area may be generally swollen and red, especially if there were multiple bites or stings.
You can give Benadryl (diphenhydramine) to treat an allergic reaction, but it's best to contact your vet first for advice as some dogs need more aggressive treatment. Benadryl is typically dosed at one milligram per pound of body weight.
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