Common
Cardiovascular: Hypotension
Dermatologic: Edema, erythema at injection site, petechiae, skin irritation
Gastrointestinal: Constipation, Nausea, vomiting
Neurologic: Confusion, dizziness, headache, paresthesia, somnolence, tremor
Other: Irritation symptom, Topical products; ie, erythema, edema
Serious
Cardiovascular: Cardiac arrest, cardiac dysrhythmia
Hematologic: Methemoglobinemia
Neurologic: Seizure
Anaphylactoid reactions
Malignant hyperthermia
Potentially Fatal: Hypotension and bradycardia leading to cardiac arrest; anaphylaxis.