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AIBU?

Share your dilemmas and get honest opinions from other Mumsnetters.

To introduce baby to peanuts before starting solids proper?

95 replies

Wholeboxoftissues · 28/02/2025 07:33

My baby is 4.5 months, I want to do BLW and not start solids till 6 months. But I've seen that there's research that the earlier you introduce peanuts, the less chance of allergies, ideally at 4 months. Yesterday I was eating peanut butter on toast while playing with him, and there was a teeny smidge of peanut butter on my thumb, so I thought I'll wipe this on his lip. So I did and he really liked it and I've now introduced peanut. But I really don't want to start solids properly yet. Is this a reasonable thing to do semi regularly until we start solids, to give him regular exposure? Or is it weird?

OP posts:
Yellowhammer09 · 28/02/2025 13:27

My kids have all eaten peanuts, pistachios, and other nuts and other common allergens at 6mo. Nobody has had a reaction so far.

Just don't give a load of peanut butter because it's so viscous. Before you know it they'll be eating PB&J sandwiches 😆

Natsku · 28/02/2025 13:42

HundredPercentUnsure · 28/02/2025 12:27

Our allergy specialist (eggs, dairy, sesame, peanuts, cashews) disagreed. You can introduce allergens in other ways to directly eating them before they reach weaning age, which is important if there is a history of allergy.

So perhaps I should have said "weird, if there's no family history of allergy."

What other ways?

littleluncheon · 28/02/2025 15:47

mitogoshigg · 28/02/2025 11:48

I find this so odd because I was advised not even to eat peanuts if breastfeeding or in final 3 months of pregnancy! No nuts before 3 years was the guidelines. I wasn't rigid but they didn't have any before 2 or so unless ground almonds in cake, neither have allergies

Was this 15+ years ago?
When I was pregnant in 2010 it had definitely changed to do eat nuts, but a friend who had a toddler had been told to avoid. I guess this was around the time but allergies were really increasing.

W0tnow · 28/02/2025 15:51

I used to give my newborns little baby massages after their baths with a tiny bit of peanut oil.

HEIHEI23 · 28/02/2025 15:56

W0tnow · 28/02/2025 15:51

I used to give my newborns little baby massages after their baths with a tiny bit of peanut oil.

You're not meant to expose through the skin before exposing through the stomach. It raises the chance of an allergic reaction if their first contact is through the skin x

Iloveeverycat · 28/02/2025 17:39

Sorry but when did this all start with giving babies small amounts of aligens. Is it only if you have family members that are allergic to things as it wasn't something you did at all when mine were babies. None of my 4 ever had any allergies do they still have to do this when they have children of their own.

Natsku · 28/02/2025 17:48

Iloveeverycat · 28/02/2025 17:39

Sorry but when did this all start with giving babies small amounts of aligens. Is it only if you have family members that are allergic to things as it wasn't something you did at all when mine were babies. None of my 4 ever had any allergies do they still have to do this when they have children of their own.

Its because they did some studies and discovered it reduces the risk of allergies. All babies are at risk of developing allergies, its just more of a risk if you have family members with allergies or eczema. With allergies being more and more common these days most parents want to do whatever they can to reduce the risk.

Glassstillhalffull · 28/02/2025 18:03

NICE guidelines suggest early introduction to allergens from 4 months if there's a family history. I did this with my youngest and so far so good.
NHS is very slow to keep up.

mathanxiety · 28/02/2025 18:09

HundredPercentUnsure · 28/02/2025 07:35

Weird.

You should wait until baby is around 6m and showing signs of readiness for weaning. It's really not that far off.

When my DCs were babies, weaning was OK at 4 months if a baby could sit up without needing support from a parent, and doctors said no foods that were notorious allergens until 12 months.

Advice changes constantly. The current advice on allergens is the exact opposite of advice from a few decades ago.

mathanxiety · 28/02/2025 18:10

Natsku · 28/02/2025 09:07

The advice to start weaning at 6 months is mainly to encourage breastfeeding until 6 months. It was wrongly believed to prevent allergies for a while but it's been known for years now that it doesn't, quite the opposite, but the nhs is slow to catch up.

Yes to this.

Iloveeverycat · 28/02/2025 18:10

With allergies being more and more common these days
Has anyone ever found out why it is more common nowadays. When we were growing up no one I or my husband knew had any allergies.

W0tnow · 28/02/2025 18:10

HEIHEI23 · 28/02/2025 15:56

You're not meant to expose through the skin before exposing through the stomach. It raises the chance of an allergic reaction if their first contact is through the skin x

Yes I know that now! Anyway, she’s 20 now and no allergies.

Sunseeker83 · 28/02/2025 18:12

Now that you've introduced it you need to keep it in! It's not enough to introduce and then it's ok. This is vital. Introduction and then removal can contribute to allergies developing

Natsku · 28/02/2025 19:03

Iloveeverycat · 28/02/2025 18:10

With allergies being more and more common these days
Has anyone ever found out why it is more common nowadays. When we were growing up no one I or my husband knew had any allergies.

I suspect a combination of cleaner lives so the immune system has less to fight against so it finds new enemies and years of the weaning later and avoiding allergens advice. Plus I'm sure many more factors.

Bearbookagainandagain · 28/02/2025 19:16

Meh, didn't that much time thinking about it. Peanut butter on toast was my go to breakfast when the kids were babies, particularly when breastfeeding, so I always considered they were exposed to it that way. Pretty sure some must have entered their mouth at some point between newborn and 6M when we started weaning.

GloriousBlue · 28/02/2025 19:27

An Australian study found early introduction is only helpful if it's regularly fed.

For our daughter (high risk due to our son having many allergies) we started at 4.5 months and gave it every day or two mixed with yoghurt

But why are u only worried about peanut? What about tree nut, sesame, egg etc. ?

We introduced all 8 major allergens from 4.5 months, although seafood may have been a wee bit later (6 months?)
We then made sure we had them on rotation and gave them regularly

BoudiccaRising · 28/02/2025 19:41

Natsku · 28/02/2025 19:03

I suspect a combination of cleaner lives so the immune system has less to fight against so it finds new enemies and years of the weaning later and avoiding allergens advice. Plus I'm sure many more factors.

I agree this is probably the reason.

I’m glad advice has changed on the introducing of allergens at an earlier date. To me the correlation was just so obvious - less people with allergies in the old days when they weaned their babies at 4 months, whereas loads of kids have allergies these days when they’re told not to wean until at least 6 months and some people don’t do it till a year. Madness.

Iloveeverycat · 28/02/2025 19:46

BoudiccaRising · 28/02/2025 19:41

I agree this is probably the reason.

I’m glad advice has changed on the introducing of allergens at an earlier date. To me the correlation was just so obvious - less people with allergies in the old days when they weaned their babies at 4 months, whereas loads of kids have allergies these days when they’re told not to wean until at least 6 months and some people don’t do it till a year. Madness.

When mine were babies it was 3 months.

user2848502016 · 28/02/2025 20:20

I'm a scientist and work on allergy- introducing peanut sooner rather than later is recommended now. It should just be tiny amounts though from 4 months.
Then at 6 months gradually give more stuff like nut butters and a variety of fruit

BoudiccaRising · 28/02/2025 20:46

Iloveeverycat · 28/02/2025 19:46

When mine were babies it was 3 months.

Well my mum was told (in the old days) by her GP to give my brother carnation evaporated milk in a bottle as he was still hungry after breastfeeding. Imagine that nowadays 😆

littleluncheon · 28/02/2025 20:56

Iloveeverycat · 28/02/2025 18:10

With allergies being more and more common these days
Has anyone ever found out why it is more common nowadays. When we were growing up no one I or my husband knew had any allergies.

A combination of factors probably - we live in cleaner homes and have very clean water supplies so less parasites for our immune systems to fight, more people with allergies survive infancy & childhood now, and maybe the period of time that people avoided giving babies allergens. Maybe the way food is produced now too and the amount of ultra processed food we consume.

littleluncheon · 28/02/2025 20:58

Iloveeverycat · 28/02/2025 19:46

When mine were babies it was 3 months.

I'm not sure in the 70s and before there was even really national guidance - it the 80s it became 4 months and in the 90s 4-6 months and then 6 months in the early 2000s.

HundredPercentUnsure · 01/03/2025 08:24

Natsku · 28/02/2025 13:42

What other ways?

You really need to take advice from from a paediatrician rather than asking a stranger off the internet, especially if you have a family history of allergens!!

Natsku · 01/03/2025 08:35

HundredPercentUnsure · 01/03/2025 08:24

You really need to take advice from from a paediatrician rather than asking a stranger off the internet, especially if you have a family history of allergens!!

I was just intrigued as to what possible other ways there are to introduce allergens apart from consuming them, because I am pretty sure consuming them is the only safe way to introduce them.

Iloveeverycat · 01/03/2025 09:28

littleluncheon · 28/02/2025 20:58

I'm not sure in the 70s and before there was even really national guidance - it the 80s it became 4 months and in the 90s 4-6 months and then 6 months in the early 2000s.

My son was born late 2000s and weaned at 4 months maybe as I already had 3 kids didn't know about the new guidence