Please help !! I’ve been spotting for 5 days

It first was dark brown I wiped and there was light pink blood. And I’ve been like this for 5 days. My boobs are sore and sensitive my side is hurting my right. I have a headache. My period ended 15 of this month. I started spotting the 25 I should be getting my period next month? I’m confused !! Is this normal?? It’s like brownish /pinkish