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GlossaryFDA Adverse Event Reporting System

database tracking drug and biologic safety issues post-marketing

The FDA Adverse Event Reporting System (FAERS) is a database managed by the U.S. Food and Drug Administration that collects information on adverse events and medication errors reported by healthcare professionals, consumers, and manufacturers. This system helps the FDA monitor the safety of drugs and biologics after they are marketed, ensuring that any potential risks are identified and managed appropriately.

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Research

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research (719) Signal Detection of Depression and Suicidality With the 5-Alpha Reductase Inhibitors: Evidence from the Food and Drug Administration (FDA) Adverse Event Reporting System (FAERS) Database

June 2026 in “The Journal of Sexual Medicine”

Finasteride may be linked to more psychiatric issues than dutasteride, but a definite cause isn't proven.

research Adverse event reporting of four anti-Calcitonin gene-related peptide monoclonal antibodies for migraine prevention: a real-world study based on the FDA adverse event reporting system

30 citations , January 2024 in “Frontiers in Pharmacology”

These migraine prevention drugs can cause side effects like constipation, hair loss, injection site reactions, fatigue, and sometimes unexpected issues like Raynaud's phenomenon and weight gain.

research Drug-induced erectile dysfunction: a real-world pharmacovigilance study using the FDA adverse event reporting system database

1 citations , August 2024 in “Expert Opinion on Drug Safety”

Finasteride is most linked to drug-induced erectile dysfunction.

research Drug-associated insomnia: A pharmacovigilance study based on FDA adverse event reporting system

April 2026 in “Medicine”

Certain medications, especially nervous system drugs, can cause insomnia, with risks varying by age and gender.

Impact of Reporter Type on Signal Detection of Cancer Therapy-Induced Alopecia: A Hypothesis-Generating Study Using the FDA Adverse Event Reporting System

research Impact of Reporter Type on Signal Detection of Cancer Therapy-Induced Alopecia: A Hypothesis-Generating Study Using the FDA Adverse Event Reporting System

March 2026 in “Pharmaceuticals”

Reporter characteristics affect detection of hair loss from cancer therapy.

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Community Join

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community 5ARi of choice not working yet? Paper Review for efficacy + safety

in Research/Science 14 upvotes 5 months ago

Dutasteride is more effective than finasteride for hair loss, especially at the crown and midscalp, but both have similar side-effect profiles with low incidence of sexual adverse events. Improvement is measured visually, and significant results may take over 12 months to appear.

community What happened to topical dutasteride??

in Finasteride/Dutasteride 28 upvotes 1 year ago

Topical dutasteride is considered for hair loss, but concerns about systemic absorption and side effects like reduced libido are common. Users have mixed results, with some preferring oral finasteride or dutasteride despite side effects, while others find topical treatments beneficial but challenging.

community Why do so many people trash on finasteride?

in Chat 247 upvotes 1 year ago

Finasteride is effective for hair regrowth, especially on the crown, but can cause side effects like reduced libido and erectile dysfunction in some users. Opinions are mixed, with some reporting positive results without side effects and others experiencing significant issues.

community New update. 16 months on finasteride, 25 year old, 1.25mg daily. The first picture is a screenshot from a video taken in February 2023, hence the quality is kinda poor.

in Progress Pictures 418 upvotes 2 years ago

A 25-year-old user shared progress pictures after 16 months of using 1.25mg daily finasteride for hair loss, reporting noticeable results around months 4-5 and some initial side effects that resolved. The user experienced thickening and slight regrowth of the hairline.

community A Nuanced Look at Microdosing Topical Finasteride

in Finasteride/Dutasteride 84 upvotes 2 years ago

The conversation discusses using a low dose of topical finasteride to achieve hair benefits with minimal systemic exposure. Users share experiences and opinions on dosing, systemic buildup, and side effects of both topical and oral finasteride.

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learn Neem Oil

natural substance from Neem tree with medicinal and pesticidal properties

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TrichologyHair Loss Treatments
Glam 4 EventsRoseville, CA · US

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