A patient has used Cafergot (ergotamine tartrate and caffeine) for frequent migraine headaches over the past 6 months. The patient calls to report, "My fingers have been getting cold and numb recently."
The nurse should give which instruction to the patient?
1. Decrease the dosage interval to increase the serum concentration of ergotamine.
2. Discontinue the ergotamine and take acetaminophen as a substitute.
3. Take an 81-mg aspirin tablet to improve circulation.
4. Come to the clinic for evaluation. This could be a sign of ergot toxicity.
Correct Answer: 4
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