Baby’s Breath and poop smells like sour corn?

Last night I started smelling a strong sour milk / corn smell coming from my baby’s mouth. This morning I noticed her poops smell exactly like her breath. That sour sweet corn smell. She is exclusively breastfed and when I went to feed her my pumped milk from the night before, I discovered it ALSO smells like sour milk / sweet corn. All three have the same smell. Of course I am freaking out because the smell is sweet which can indicate kidney problems and diabetes type 1. But my breast milk would not smell the same as my baby if she had issues like that, right? and how likely would it be for that to happen at the same time? I might’ve waited longer than I thought to refrigerate the milk after pumping / before feeding her last night when this started. She was asleep when I pumped, so the milk sat out for a couple of hours (no more than 4) before I got the rest of it put away in the fridge for the morning feeds. Didn’t notice the smell til morning and haven’t smelled anything like that in my milk since that. Is this something that happens with slightly sour milk? Her breath and poop still smell like the sour milk. What can I do?
Is it normal for your baby to change smells from neutral / sweet subtle breast milk smell to sour milk / corn smell sometimes? Did I accidentally feed her sour milk? She literally has no other symptoms. I did an urgent care virtual visit today and they said to just bring it up at our appt in a couple of weeks if it persists.
Other: her poop and pee is normal, no fever, no excess fussiness, no lethargy or hyperactivity, sleep is good, eating habits good, my milk has been normal all day long. My sister said maybe my milk has more lipase or maybe it was slightly sour?

Does anyone else have a baby that’s gone through this or similar?! I’m so anxious about this. She seems very normal on all other things, but I’m scared I’m overlooking something and don’t want to delay treatment if it’s something serious. 😩

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Also, if she drank sour milk - how long will she be affected like this? Can I do anything for her? I’m not sure what to do because she seems fine otherwise. Not even fussy or excessively gassy that I’ve noticed.

My baby's breath smells like yogurt. I would say that your intuition is good. Trust yourself.
Also, are you feeling extra anxious?
I would start by eating more greens, and less dairy and eggs and wheat in my diet. You can take one of those things out for a day, and put it back into your diet if it makes no change. Each of those three things is one of the most common allergens. If you wanted to, you can try eliminating peanuts too.

that’s a good tip. I will talk to my OB at my PP follow up tomorrow and see what she says. I wouldn’t mind trying that anyway. As for anxiety, yes. Unfortunately when it comes to certain things (like baby) I tend to have a hyper-awareness of any changes. I think it’s residual bc she was born very small and had to be delivered a little early due to FGR so she stayed in the NICU for a week. for the most part she’s been very healthy. I had gestational diabetes so she had low blood sugar when she was born that normalized after a few days

I think that whole experience has made me a little hypervigilant when it comes to my baby. She’s doing extremely well now as far as we know! Growing and eating like crazy, developing a little personality, gaining weight, she sleeps well, good temperament. I feel lucky to be her mother 🥰 I just also feel a little more worried sometimes being told to be on the lookout for illness / complications after bringing her home from NICU.

A NICU baby? Aww. That makes total sense.

I had GD too.

It is a good idea to bring it up with the doctor.

I definitely will! tomorrow’s appt can’t come soon enough 😩 I only slept 2-3 hrs last night and I’m about to not get sleep all over again.

Hi!! Any update on this? My baby randomly has had this, she’s pretty refluxy so figured just extra acid but yes her breath and poop smell like canned corn to me!!!

I know this was forever ago, but did you ever figure it out?

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