Hi, OP. Yes it really can be, especially if you have a partner who works a lot. How old is your little one? Are you talking teeny tiny newborn or a couple of months?
I found things hard for quite a while, but not unmanageably so. After 2 or 3 months I was able to get out fairly regularly on my own with the baby and it was OK. I was still very tired and things felt hard, but I could get out. That made a difference.
By 5/6 months I'd say it got a lot more manageable, but baby still had fussy and tired days, and there's always new stuff to think about with formula, weaning etc, the naps and sleep are constantly changing.
By 9/10 months he got into a (more or less) regular 2 naps a day routine, sleeping pretty well at night, and things are feeling much better. I'm starting to think about going back to work etc and it's starting to all slot into place.
I know that feels like quite a long stretch from the newborn stage, but it's not that it's all hard - I have found that there are hard days and easier days at every stage.
Do you go to any baby groups/ NCT etc? They really helped me, even just a free one at a local children's centre where parents with babies would go and sit around and have a cup of tea, chat etc. Nothing fancy or expensive at all, just a few toys and a bit of company. Local libraries are great too - mine do a baby rhyme time thing which is lovely.
Just try to remember that everything is a stage and it feels like forever when you are in it, but once you are out of it you look back and it feels like it flew by. I don't mean that in a patronising 'savour the moment' way - I just mean that this too shall pass xx