Headache: can be persistent or severe

Muscular: difficulty walking, muscle weakness, problems with coordination, weakness of one side of the body, or weakness of the arms and legs

Whole body: balance disorder, dizziness, fatigue, or vertigo

Gastrointestinal: nausea or vomiting

Sensory: pins and needles or reduced sensation of touch

Cognitive: inability to speak or understand or mental confusion

Speech: difficulty speaking or impaired voice

Also common: blurred vision, personality change, seizures, or sleepiness