Headache on the left side of my head/face

I had a headache on the left side of my head for 3 days now. It radiates down to the left side of my mouth and I have a stiff neck feeling. It’s in the same spot and my nostril on that side seems inflamed bc I’m stuffy on that side. Has this happened to anyone while pregnant. I’m unsure if the bc I was lazy the past few days and lie on my left side, does this kind or headache happen to anyone else.