Pregnancy symptoms

I had come on for 5 day. when I came on it’s was normal but 2 days later I started to spotted for three days later I come off. Is that normal? After that I just been feeling not good. I been having headache every morning I get up , been feeling weak. Gettin hot lately my mood swings been everywhere. I been throwing up now n then. My stomach been hurting every now n then. But when I took a pregnant test it’s came out negative. I don’t know what to do. Can somebody help me with this.