My dog ate one allergy capsules "Antihistamine", diphenhydramine HCI 25mg?

Question by Joanna: My dog ate one allergy capsules "Antihistamine", diphenhydramine HCI 25mg?
She is Yorki. She is going to be 5 month old and she weights around 3 lbs. What can happen to her? I hope nothing!
.THX


Best answer:
Answer by moondogThat's a very large dose

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