When administered as an injection, the dosage and duration of treatment with methylergonovine maleate depend on the patient’s age, weight, and response to the medication. The usual dosage for adults is 0.2 mg, administered every 2-4 hours as needed.
As with any medication, methylergonovine maleate may cause side effects in some people. Common side effects may include nausea, vomiting, and headache. Less common side effects may include high blood pressure, dizziness, and chest pain.