Table 3.
Proposed classification of the neurological symptoms of post-COVID-19 syndrome.
| 1. Headache |
| - Tension-type headache |
| - Chronic daily headache |
| - Other |
| 2. Cranial nerve involvement |
| - Anosmia/hyposmia |
| - Ageusia/dysgeusia |
| - Tinnitus |
| - Total/partial hearing loss |
| - Dizziness and vertigo |
| - Balance problems |
| - Dysphonia |
| 3. Musculoskeletal problems |
| - Muscle pain |
| - Muscle weakness |
| - Chronic fatigue |
| - Movement disorders |
| - Limb paraesthesia |
| - Neurogenic pain, lumbar pain, bone and joint pain |
| 4. Movement disorders |
| - Limb tremor |
| - Coordination problems |
| 5. Sleep disorders/ insomnia |
| 6. Autonomic nervous system alterations |
| - Impaired thermoregulation |
| - Orthostatic intolerance |
| - Exercise intolerance |
| - Postural orthostatic tachycardia |
| - Other |
| 7. Cognitive symptoms and “brain fog” |
| - Memory problems |
| - Attention deficit |
| - Difficulty concentrating |
| - Difficulty in decision-making |
| - Slower reaction times |
| - Language disorders |
| 8. Psychological and psychiatric symptoms |
| - Anxiety |
| - Depression |
| - Post-traumatic stress disorder |
| - Other |