Post covid. Headache. please suggest

Dear Sir/ Madam. Till now I have completed my 37 days of Corona struggle including my 14 days home Isolation at home. And been fighting each every types of symptoms and manifestations  accept of my back side of head pain and the pain mild feels something heavy thing is pressing from back, just behind the head and above of neck as well as that pain runs through below bottom of neck,and the developes gradually Afternoon to much in evening a and its been expreinced this is just remain continuesly since the beginning of covid to till date the pain is getting out, and along with this its also have seen whenever i rushed out worried and fear then there's sudden increase of palpitation which moves upto near by 90 and above, and bcoz of this happened two, three times every evening I get to much fear between 6pm to 9pm. When asked to people they said this pain may remain upto three months of post covid, and some are others told me that is the pain of hypertension headache. Please suggest 🙏