Sadly, my extra cry for help was too late, little fighter lost the battle last night and passed away. He was about a 1 month old.
Thanks for suggestions and kind words.
Hello, 10 days ago I have found the little kitten left alone outside my office, and decided to take it home. Of course firstly i have visited veterinary, he had fleas and no other visible problems, and was active growing kitten with slight diarrhea but since this Sunday (4-5 days ago) he stopped...