The alleged violations occurred before Pfizer bought Biohaven and its migraine treatment three years ago for $11.6 billion.

Amitriptyline has long been used for migraine prevention. Discover how this antidepressant works, its side effects, and why it's still being prescribed.

For Roshelle, her diagnosis of migraine disease became the catalyst for a life of advocacy, empowerment, and community ...

The pharmaceutical giant Pfizer will pay nearly $60 million to resolve charges that a company it acquired paid kickbacks so ...

Pfizer will pay $60 million to settle allegations that one of its subsidiaries incentivized healthcare providers to prescribe ...

Pfizer will pay $59.7 million to resolve charges that a company it acquired defrauded Medicare and other healthcare programs ...