Neurologic: Paresthesia (numbness and tingling) in the extremities and around or near the mouth, sensation of temperature reversal (hot–cold inversion),* ataxia, headache | Weeks to months |
Gastrointestinal: Nausea, vomiting, diarrhea, abdominal cramping | 1–4 d (typically ≤ 24 h) |
Cardiovascular: Bradycardia, heart block, hypotension | 1–3 d |
Other: Myalgia, generalized pruritus, arthralgia, fatigue, dizziness, dysuria | |