Vomiting Curdled Formula

Hi Everyone

I hope that you can help. My DD is 4 1/2 weeks old and has been getting bouts of vomiting of curdled formula. This doesn't happen after every feed, but when it does it is so much and even comes out her nose.

She is 100% formula feed for the past 2 weeks and is on a lactose free formula which was prescibed by the peadiatrician for her due to both DH & I being lactose intolerant.

She has been putting on weight, 600 grams in the last 2 1/2 weeks and is alert and active but I'm concerned that there is something I'm missing. She is not on a regular feeding schedule as yet, feeding sometimes 3 hourly, sometimes 4 hourly and depending on how long she has gone between feeds depends on how much I feed her. Although after she has had a huge vomit, she feeds irregularly and only small amounts over a very limited timeframe, ie: every hour and generally doesn't sleep after the vomit also.

Any ideas, recommendations or similar problems that can give me an idea as to how best to manage this. I have decided to change the teats on her bottles to a slower flow, to try and stop her gulping her feeds, although when she was on the slower teats it would take about 1 1/2 hours to feed her. Hopefully we don't go back to such long feeds as it is so hard during night feeds to have a feed take that long, especially when she wants a 3 hourly feed.

how much is she taking at a feed? little ones only have little tums ;) you said she doesn't do it every feed....which makes me think it's not exactly reflux but more like she's overfull yk??

maybe at certain feeds she is hungrier than others? so at some feeds she may take say 120ml and others 180ml?? (sorry if I'm way off with amounts...it's been a while!)

Thanks for the response Becstar.

She generally has 80mls if she has a 3 hour blocks between feeds and 100mls if 4 hourly although sometimes she grissles and wants more. There are even periods where she wants a feed 2 1/2 hours from the last one.

I am trying to limit her food intake to try not to overfeed her but still keep up the correct calories, she is suppose to be having about 550mls a day now but she has generally been getting more than that and taking it. I think I might need to use the dummy more when she is grissly as I know she isn't starving just being piggy.