Post partum

Okay so I’m currently 6 months and 3 weeks postpartum, and my husband is away for work and has been for 11months now. I’m struggling so bad with like anger and frustration with my oldest who is 17 months old I have Irish twins and it’s not just my oldest I get frustrated with it’s my youngest to. Is this apart of ppd is something wrong with me? Like it’s just the little things of crying constantly or the hitting the youngest wanting to be held wanting attention and once I like give me self a second I’m better I feel better but I’m getting so upset and anger I cry daily cause I feel so bad for the way I respond to what’s going on. I don’t know how to get through it or handle it. I hate the fact that I’m yelling or screaming while crying for my babies needing/wanting basic things like cuddles or attention. My husband comes home in four weeks but I don’t know what to do or what’s wrong with me I’ve never been the type of person that reacts this way and now it’s on a daily basis. It’s almost as if I just wake up ready to yell and scream(I don’t wake up feeling that way) but I don’t know what’s going on with me. HELLLPPP!! Any advice????