Hello, welcome to JustAnswer. My name is*****; I am sorry you have this problem with your dog; I am sure you are concerned. I will do my best to help you today. But, first, I need to ask you a few questions to be well informed and give you the best advice.
Any pre-existing medical conditions?
How many tablet did he eat?
Thank you for that information. Please give me a moment to type your answer.
Not likely for one single dose of Metoprolol 50mg to be a problem for a healthy 20 lbs dog. I recommend keeping an eye on him for the next 6 hours. Symptoms that would require an ER vet visit are weakness, disorientation, panting excessively, pale gums, etc.
Good afternoon. I hope I have given you a satisfactory answer. If you have any follow-up questions, please reply here, and I'll be happy to assist you.
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