Ai mama, I can hear how stressed you are, this is so scary! Please see your baby's paediatrician or go to a clinic urgently to check if baby is getting enough milk and staying hydrated , wet nappies dropping and intake decreasing are things they need to monitor closely, okay? A few of us mum friends have gone through sudden nursing strikes around 3 months and it was everything from teething starting early, to baby just going through a phase, to sometimes reflux or ear issues that weren't obvious at first. But you really need professional eyes on this one lah, don't rely on over-the-counter checks alone if the wet nappies are dropping significantly. In the meantime, keep trying both breast and bottle without forcing, and express milk if you can so you know what's going in. Your instinct to worry about hydration is spot-on, that's exactly what baby needs monitored. Hang in there, you're doing the right thing checking with clinics already.