At higher concentrations the odor can be unpleasant and may cause symptoms of central nervous system depression such as nausea, dizziness and headache.
en.wikipedia.org Stroke-like symptoms such as confusion, weakness, and dizziness may be monitored.
en.wikipedia.org Like adults, children experience physical symptoms including accelerated heart rate, sweating, trembling or shaking, shortness of breath, nausea or stomach pain, dizziness or light-headedness.
en.wikipedia.org A person experiencing dizziness should see a physiotherapist or physician for an evaluation.
en.wikipedia.org If overdose were to occur, likely seen as dizziness, dry mouth, and/or drowsiness, supportive measures are recommended.
en.wikipedia.org