Ergot alkaloids, such as ergotamine, have been associated with numerous vascular complications and with valvular heart disease. The authors describe a man who developed fibrosis of three heart valves during a 5-year treatment with bromocriptine for Parkinson disease. There were no other plausible causes. To our knowledge, such a side effect has never been described with this drug.
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Serratrice et al. (2002) studied this question.
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