I had my Lily spayed about 2 months ago.  She had to keep a cone over her head for 2 weeks.  That was the most difficult thing for us because she couldn't fit through her doggy door to go potty on her own. The suggestion about the onesie is great!!!  As long as she can't get to the stitches.  I remember Lily wanting to scratch it when she was healing....but she couldn't get to it with the cone over her head!  I gave her an antibiotic 2 times a day when she came home from the vet.  The first day she was more tired....we gave her lots of love, she didn't eat as much. The next day I added some warm water to her dry dog food and let is soften and she loved it!  I hope that Bella is feeling ok this evening....give her some extra love

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