Does Prozac Cause Gynaecomastia? Fluoxetine Side Effects Explained Written by Bolt Pharmacy Published on 17/4/2026 Does Prozac cause gynaecomastia? Fluoxetine (Prozac), one of the most widely prescribed SSRIs in the UK, lists gynaecomastia as an adverse reaction of ‘frequency not known’ in its MHRA-regulated Summary of Product Characteristics. Gynaecomastia — the benign enlargement of glandular […]
