COVID-19/Long-Haul COVID
COVID-19 has affected millions of people worldwide and has caused more than 5.3 million deaths as of December 2021.1 Headache is the most common neurological symptom among those infected with COVID-19.2 This infectious virus usually causes mild symptoms which may include: cough, headache, fever, chills, congestion, muscle and/or body aches as well as loss of taste and/or smell. Some people experience severe complications such as respiratory failure, systemic inflammatory response syndrome (SIRS) and death.
A survey of those who developed COVID-19 found approximately one third of COVID-19 associated headaches occurred in those who had a previous history of migraine.3