Outside of antiviral activity, there may be some relief of symptoms of COVID-19 provided by essential oils. For example, linalool [117,118], β-caryophyllene [119,120], and 1,8-cineole [121,122] have both anti-inflammatory and antinociceptive activity; menthol [123,124], camphor [125,126], and thymol [127] have antitussive activities.