Since it is headache which has lead to humming sound in ear Digital X-Ray PNS or CT PNS may rule out a possibility of any sinus
or ear problem. A medical Checkup with Internist (Physician) with investigations like RBS, Kidney
Function Test, Liver
Function Test etc may help reach a definitive diagnosis. A thourough check up is recommended. In the meanwhile plain steam inhalation with facial massage
with oil like cocconut oil may help relieve symptoms temporarily.