my back, shoulders and neck are hurting

so they have been hurting alot these days and idk whats causing it..... Its starting to scare me..... i do try to exercise my body and stuff but my back pain is crazy.... it hurts... Idk if its stress or what but its been going on since a week ago.... 😰what should i do or what could be the reason,, its mainly just back pain and then alittle shoulder paid and sometimes it goes to my neck....😫is my body braking or what😫😫😭😭im scareddddd......