Brand	Dose	Side Effects	Comments
OTC = over the counter.
OTC	Commit	40–80 mg/day	Local irritation (warmth and tingling)	Use for 12 weeks; max 20 pieces/day. Weeks 1–6: 1–2 lozenges every 1–2 hours; weeks 7–9: 1 lozenge every 2–4 hours; weeks 10–12: 1 lozenge every 4–8 hours.