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Wyeth is now a part of Pfizer Inc. The merger of local Wyeth and Pfizer entities may be pending in various jurisdictions and is subject to completion of various local legal and regulatory obligations. To learn more, please visit www.pfizer.com.

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Dedicated to Patients

At Wyeth, we believe it is very important for patients to understand their illnesses as well as their treatment options.

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Patient Education Resources for Patients and Caregivers

The resources provided in this section are evidence of our ongoing efforts to help people around the world lead longer, healthier lives. Find resources for the following health related issues or patient types: Depression and Generalized Anxiety Disorder (GAD), Hemophilia, Infant's and Children's Health, Gastroesophageal Reflux Disease (GERD), Rheumatoid Arthritis (RA), and Women's Health Care.

Hormones and Their Role in the Menstrual Cycle

The menstrual cycle is made up of many changes that take place inside the body. These changes, which are brought on by fluctuations in hormones at different times of the month, include ovulation, menstruation (your period), and the symptoms related to your cycle that some women can experience to different degrees.

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