What Causes Headache Chills And Weakness?

so yes day I went to the store but I had a headache but I felt okay but before my my was about to buy she was looking at gloves then my headachegot liitel worse then I felt weak so I hon and rest ds on to my mom because I felt like I was about to faint but I didn't so then when I got home I ate and drank water and lay down. but wwhen it was dinner my hgeadche was still there went to lay down and rest but my hands were weak and I was cold