Oh dear. I am so sorry to hear that. Poor you and him...
Our days have been manageable but nights are outrageously bad now. She will be 4 months end of next week so I'm not even sure if it's truly the 4 month regression. She was up almost every hour, fed her every 2 hours to stop the screaming, and she was so squirmy she busted out of 3 swaddles and up early for the day!!
Leap, reflux, regression, gas, teeth?? Or all of the above