But now Schering says it is adding two new allergic side effects to the drugs label.

FORBES: Magazine Article

One problem: There may be warnings about cardiac and other side effects on the drug's label, although Iannini thinks these worries have been largely dispelled.

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In January, Pfizer and the FDA added concerns about those side effects to the drug's label, which serves as a guide for doctors and the basis for claims in advertising.

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