The side effects of dogs taking Feixinkang include accelerated heartbeat, thirst, frequent urination, increased burden on the kidneys, increased gastric acid secretion, inhibition of uterine contraction, etc. This is especially true for pregnant dogs, dogs with gastric ulcers, and dogs with accelerated rhythm abnormalities. Dogs cannot eat it, otherwise it may cause life-threatening danger. It is best to go to the hospital for examination, take medicine according to the doctor's instructions, and feed the medicine strictly according to the dosage. You can take 100 mg per ten kilograms, 2 to 4 times a day.