We always suggest to speak to your personal Tax Advisor as everyone's situation is different
On Consumer Report they say
Since you'll need All receipts, we suggest making a virtual folder like on Google Drive, and every time you spend on your dog, take a picture of the receipt, and just upload it. That way come tax time it's all in one place.
So if it is a medical expense, it is even more difficult now than before to take advantage of the deduction. You have to be able to itemize, and even then your medical expenses have to exceed 10% of your adjusted gross income. So it is very unlikely that the normal person could take advantage of those deductions