Will seroquel (quetiapine) cause man breasts?

It may: That is a possible side effect. But usually, if it does happen, it is minimal. Proper follow up with your doctor and discussion of any side effects including swollen or tender breasts can help prevent or mitigate this before it becomes noticeable or causes discomfort. There are treatments for it or alternatives to Seroquel (quetiapine). Having said that, Seroquel (quetiapine) is a very effective drug for many conditions.

Reported: Seroquel Seroquel (latest outcomes from 79,001 users) has active ingredients of quetiapine fumarate. It is often used in bipolar disorder. Breast enlargement Breast enlargement (latest reports from 7,766 patients) has been reported by people with enlarged prostate, birth control, depression, osteoporosis, high blood pressure. On Jul, 12, 2014: 76,153 people reported to have side effects when taking Seroquel. Among them, 26 people (0.03%) have Breast Enlargement. They amount to 0.34% of all the 7,744 people who have Breast Enlargement on eHealthMe.

Seroquel: Seroquel may be associated with Gynecomastia in 0.01% to 0.1%.