Mine is 11 months and went thru the exact same thing last month, congee as fine, but relunctant on the milk. I was told by various people that it only lasts for 1 week or so, but not my daughter. After nearly 2 weeks, I tried to feed her yoghurt if she refused her bottle, I took her to the paed. She was measured and the paed said although not losing weight, she was not gaining the weight as in the chart. The paed then suggested I changed her formula to Promil Gold since it has slightly sweeter taste and she gave me an appetite stimulant. The appetite stimulant also makes the baby sleepy, so I only gave it to her before bed. Immediately the next day, she went back to her normal feeding amount and terrible to say so, I rather enjoyed not having to wake up to tend to crying baby. Anyway, after a few days or so, her tooth cut thru and since her appetite seemed back to normal, I stopped the medicine. Maybe you should talk to your paed about it and see if he/she can help.