Use of B-complex vitamins and olfactory training for treating
A 42-year-old male patient was diagnosed with coronavirus disease 2019.
His symptoms improved 2 weeks after lopinavir therapy (400 mg every 12
hours). However, he was subsequently diagnosed with complete anosmia.
Magnetic resonance brain imaging showed no abnormalities. We prescribed
B-complex vitamins and olfactory training. Forty days later, he