My mom aged 52 years old. She got cavity a month ago and she took steroids (40 mg for a week 20 mg 6 days 10 mg 5 days prednisolone) and blood thinner (rivaroxaban 20 mg daily + ecosprin 75 mg) daily for 28 days. But from a month she complains of mild upper headache in every 3-4 days sometimes that headache goes away own it's own sometimes we give meftal 100 and it goes away. Her sleep also breaks 3-4 times during night it was never before covid. Yesterday was her last day for taking blood thinners. I want to know why she is having headache issue. What to do next.. Her 1st symptom was also headache when she got cavity on 12th april.