I have a cough and I coufh really bad I get coughing fits I coughed so hard I made myself bleed I know its not my period I've never spotted before it bappens after coughinv fits should I be worried or aee a dkctor

Yes, seeing a doctor is probably a good idea.

Do you have this bleeding on other occasions or only when you're coughing?
Do you have any pain?
Also how old are you?
How long have you had the cough?
Do you have a fever?