Coughing in dogs has many causes, including kennel cough, tonsillitis, tooth or mouth infections, allergies and parasites. Treatment of the cough itself involves treating the cause of the cough. Sometimes, the cough is severe enough to disrupt sleep--both yours and your dog's. Certain medicines and home remedies act to suppress coughs in dogs while you treat the root of the problem.
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Dextromethorphan
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Dextromethorphan is an over-the-counter cough suppressant approved by the FDA for use in humans. Veterinarians often prescribe dextromethorphan as a cough suppressant for dogs with a dry, hacking cough such as kennel cough, according to veterinarians at Pet Education. Some animals are allergic to the drug, and side effects include nausea, vomiting, dizziness and drowsiness. Too much dextromethorphan can also cause excitement, confusion and a decreased rate of breathing in dogs. Never give your dog an over-the-counter medication without first checking with your veterinarian.
Honey
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Honey is a natural dog cough suppressant. Try giving a coughing dog 1 tsp. of honey 3 times a day until it clears up. Alternatively, you can add raw honey to warm water for your dog to drink. If your dog refuses to drink the honey-water mixture, feed him using a medicine dropper.
Natural Cough Syrup
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Some companies make natural cough syrups designed for use on dogs and cats, according to veterinarians at Vet Info. Natural ingredients include Drosera rotundifolia (a plant containing anti-inflammatory alkaloids), ipecacuanha (a mucous-dissolving plant), Antimonium tartaicum (a plant that suppresses coughs and alleviates chest congestion) and Spongia tosta (roasted sea sponges).
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