Dr. Michael Salkin is typing. Please be patient.
I'm sorry to hear about this with Yogi. It appears that he is suffering from the canine infectious respiratory disease complex ("kennel cough"), particularly if he had associated with other dogs within 3-10 days, the incubation period for that complex. In most cases, these dogs will go into remission within 1-3 weeks unaided and so I rarely treat them with antibiotics. If they worsen instead of improving in the week following the onset of their symptoms*, your vet can prescribe one of the antibiotics of choice - doxycycline or amoxicillin/clavulanate. If coughing arises, the vet might also send home a narcotic cough suppressant. It's best to avoid over the counter cough suppressants which usually contain dextromethorphan and alcohol - neither of which are recommended in dogs due to lack of efficacy and toxicity at higher doses. You're likely to find that a teaspoon/tablespoon (small/big dog) of honey every few hours will be more helpful in controlling coughing.
*Worsening can also indicate the less common canine influenza which is more likely to progress into pneumonia than does this complex.
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