4 month old suddenly waking up crying

[LaurenSarah22]

Basically my LO usually goes to bed at 7.30pm wakes up at 3am for a feed then wakes up again for the day at 7.30am.
However tonight my night went like this

9pm- woke up crying calpol given
12.30am- woke up crying so feed given
2.10am- woke up crying dentinox given
4.30am- woke up crying calpol given
5.45am- woke up crying and she is currently asleep on my chest

She had her injections on Monday which she was fine with, no fever or anything. Been feeding fine the past 3 days however 3 days ago she went a couple of days only having half her usual amount of milk.
Also she's on sma comfort and her poops are normally green and loose which is normal for this milk however it's been yellow and bitty yesterday and a couple of days before. I'm not sure whether she is teething as I can't feel or see anything however the dentinox seems to help and also her bum is now sore and everything is going in her mouth plus lots of dribble. My girl has never had to be rocked to sleep or had to sleep on her chest she always goes to sleep on her own and self settles if she wakes up. She does have a dummy but doesn't use it all the time, tonight it wasn't helped one bit.

I literally don't know what to do, I'm so tired. When I put her back down she moans a little but then goes to sleep however as you can see she's up after 1.5 hours. Yesterday she didn't nap as much as I don't know whether it's that but I think she seems to be in pain

Does sound like teething. Is her poo sort of watery and acidic looking? Ime that's teething. In fact 4mo DD3 cut her first tooth yesterday and we had exactly that. Accompanied by my usually good sleeper only napping in the sling and not taking much milk. Sound similar?

There is a sleep regression at 4 months too so it could be that. Jabs can also have a delayed reaction.

Sounds like you're doing a good job though. Lots of cuddles for her and Calpol if needed. Broken sleep is awful. Can you cosleep safely if she keeps waking like this? That might help.

Her poop defiantly is more watery. Co sleeping isn't an option for us as there isn't enough room in the bed as it is, I have a next to me cot so we can see each other perfectly. I am so tired already and it's only been one night.

Sounds like teething but also lots of brain development occurs at around 4 months, I had the same last night just lots of over thinking ! Much of this is normal I am afraid to say and will continue for sometime !

I note that she had feed at 12.30 could she have been hungry? at 4 months lots of babies still need milk at night?

I really hope you get some sleep soon x

She only had bit of her feed so I don't think she was hungy at all really because she was playing with the teat too. She never woke this much when she was a newborn so it's all alien to me. Normally she naps well in the day but she didn't yesterday either so I'll see how she goes today

Maybe she wasn't hungry at 1230 but then was later on? You just repeat stuff until something works.

Milk, nope
Warm/cold, nope
Cuddles, nope
Teething gel, nope
Calpol, nope
Milk, ok hungry now

It's probably a bit of everything - teething, regression/developmental leap maybe and hunger.

If it's teething though she was probably hungry but playing with teet because it hurt. Next time try the dentinox directly before a feed.

I'm with you on the sleep front...I've started my day at 430am every day for at least a month and I've always needed 8 hours to function. No sleeping when she sleeps either as I have a toddler at home and a school run to do. Fwiw we can't cosleep either - never been able to do it. Drink lots of coffee and rest when you can.

Up every 2 hours is definitely sleep regression territory. I think around 2 hours is the length of one sleep cycle at night. It's developmental... if she is able to self settle then hopefully it should pass sooner rather than later.