hello kristy, don't worry this blood is due to throat infection
. In throat infection our skin become thin and inflammed thats why when we cough
sometime it bleeds , you can use antibiotic cefixime
5 ml/50 syrup 5ml twice daily with ibupfren srup three time daily with ambroxil plus salbutamol
cough syrup 3/4 tsf three time daily. Use lukewarm water for drinking.