as you are giving history of fall from height, kindly tell me you are having any symptom like vomiting
/ headache/ any Bleeding episode also?
may be due to ant strain due to fall
You can take Tablet Paracetamol
500 mg after food as and when required for Neck pain
more than 99 f (maximum 3 tablets with gap of 8 hr can be taken in a day) for 3 days
you need to consult orthopedician for further evaluation