nasal decongestants

How Much Decongestant Can You Give A Dog? For respiratory symptoms, the dosage in dogs is 0.1 to 0.2 mg per pound (0.2 to 0.4 mg/kg) or 15 to 60 mg per dog by mouth every 8 to 12 hours. In cats, it is dosed at 0.5 mg per pound (1 mg/kg) orally every 8