Flu-like symptoms

Fatigue

Lethargy

General malaise

Muscle aches/headaches

Diarrhea

Insomnia

Nausea

Imbalance

Gait instability

Dizziness/lightheadedness

Vertigo

Sensory disturbances

Paresthesia

“Electric shock” sensations

Visual disturbance

Hyperarousal

Anxiety

Agitation