Can you have an over active letdown and a low milk supply? I feel like my milk supply is decreasing. We have been fight acid reflux which caused her to nurse not so well. However, i think I still have an over active letdown as she practically chokes for a few minutes after my milk lets down. My LO is almost 7 weeks old in case that matters, and up until a couple of weeks ago I would say I has a pretty good supply.