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Bromocriptine-associated headache: possible life-threatening sympathomimetic interaction
1Colorado Adverse Drug Reaction Reporting Program, Rocky Mountain Poison and Drug Center, Denver.
We present two cases of severe headache associated with the use of bromocriptine for lactation suppression in otherwise healthy women. In each case, the additional use of a therapeutic sympathomimetic agent resulted in extreme worsening of symptoms with development of hypertension and life-threatening complications (ventricular tachycardia and cardiac dysfunction in one case, seizures and cerebral vasospasm in the other). Sympathomimetics in combination with bromocriptine in patients with a bromocriptine-associated headache during the puerperium may be dangerous.
We present two cases of severe headache associated with the use of bromocriptine for lactation suppression in otherwise healthy women. In each case, the additional use of a therapeutic sympathomimetic agent resulted in extreme worsening of symptoms with development of hypertension and life-threatening complications (ventricular tachycardia and cardiac dysfunction in one case, seizures and cerebral vasospasm in the other). Sympathomimetics in combination with bromocriptine in patients with a bromocriptine-associated headache during the puerperium may be dangerous.