R u giving bottle for the first time? or she is used to it?

may be she is teething or may have got thrush....check her lips and gums...

use steel glass small one...

Is she taking BM?  If only on FM then since when she is not accepting

<font color ="#3b5998"><b> @6372999217d2c800158d8bec </b></font><font color ="#3b5998"><b></b></font><font color ="#3b5998"><b></b></font> help.her <u>dear</u>