[if gte mso 9]><xml> <w:WordDocument> <w:View>Normal</w:View> <w:Zoom>0</w:Zoom> <woNotOptimizeForBrowser/> </w:WordDocument></xml><![endif]It depends on the infection. Ask your vet why it was prescribed. If too little is given, then it won’t help with the infection. Don’t give your cat anything that isn’t prescribed by a veterinarian. Penicillin doesn’t treat very many strains of bacteria. Again, I wish I could post a link. But, for some reason I’m not allowed. Clean your cat’s eyes every day. Crusty eyes are painful. Please keep us updated. I’m glad to hear they are doing well. It’s nice to hear some good news.