A nurse is providing teaching to a client who has a prescription for ergotamine sublingual to treat migraine headaches. Which of the following information should the nurse include in the instructions?
a. Take the medication as soon as the migraine begins, placing the tablet under the tongue until it dissolves.
b. Do not exceed the recommended dosage of ergotamine sublingual within a 24-hour period.
c. If the migraine is not relieved after taking the medication, contact your healthcare provider for further instructions.
d. Avoid taking ergotamine sublingual if you are pregnant, breastfeeding, or have a history of heart disease or peripheral vascular disease.