OpenClaim

Flibanserin Side Effects

The most commonly reported side effects of flibanserin include dizziness, nausea, and somnolence, based on 1,971 FDA adverse event reports from 2007 to 2025. 28.3% of reports found the drug to be ineffective.

Flibanserin side effects

Percentages show how often each reaction appears relative to total reports for flibanserin.

1
Drug Ineffective28.3%557
2
Dizziness16.6%328
3
Nausea10.0%197
4
Somnolence8.4%166
5
Product Use In Unapproved Indication7.8%154
6
Insomnia7.2%142
7
Fatigue7.2%141
8
Headache6.4%126
9
Feeling Abnormal5.1%101
10
Adverse Drug Reaction4.9%97
11
Malaise4.2%82
12
Product Use Issue3.0%60
13
Hypotension2.9%58
14
Middle Insomnia2.8%56
15
Therapeutic Response Unexpected2.7%54

These are voluntary reports and do not establish that flibanserin caused these reactions.

Report severity

4.8%Serious94 reports
1.1%Hospitalizations21 reports
0.0%Fatal0 reports

Seriousness is determined by the reporter, not by OpenClaim.

Flibanserin drug interactions

Other drugs that appear in adverse event reports alongside flibanserin. Drugs flagged as a suspected cause appear in the first column. Drugs taken at the same time but not suspected appear in the second.

Also suspected

1
Sodium-oxybate0.3%6
2
Bremelanotide-acetate0.3%6
3
Bupropion0.3%5
4
Dupilumab0.2%4
5
Certolizumab-pegol0.2%3
6
Calcium-oxybate0.2%3
7
Magnesium-oxybate0.2%3
8
Potassium-oxybate0.2%3
9
Ethinyl-estradiol0.1%2
10
Finasteride0.1%2
11
Levothyroxine-sodium0.1%2
12
Copper0.1%2
13
Amitriptyline-hydrochloride0.1%2
14
Glatiramer-acetate0.1%2
15
Doxepin-hydrochloride0.1%2

Taken alongside

1
Ergocalciferol3.7%73
2
Levothyroxine-sodium3.4%67
3
Bupropion3.2%63
4
Progesterone2.0%39
5
Estradiol1.8%35
6
Magnesium-acetate-tetrahydrate1.4%28
7
Testosterone1.4%27
8
Fish1.2%23
9
Clonazepam1.1%22
10
Gabapentin1.1%22
11
Omeprazole1.1%21
12
Calcium1.1%21
13
Ethinyl-estradiol1.1%21
14
Metformin1.1%21
15
Amphetamine1.0%20

Co-occurrence in adverse event reports does not establish a drug interaction. Patients often take multiple medications, and these lists reflect prescribing patterns rather than causal relationships. Consult a healthcare provider about potential drug interactions.

Who reports flibanserin side effects

82.5% of flibanserin adverse event reports involve female patients and 2.6% involve male patients. The largest age group is adult at 95%. These figures reflect who reports side effects, not underlying risk.

Sex

Female82.5%
Male2.6%
Unknown14.8%

Age group

< 20.6%
2–110.8%
12–170.1%
18–6494.7%
65+3.8%

What is flibanserin used for

Conditions and purposes for which patients were taking flibanserin when the adverse event was reported.

AstheniaAccidental Exposure To Product By ChildAnorgasmiaAstheniaDisturbance In Sexual ArousalDisturbance In Sexual ArousalDrug IneffectiveEjaculation DelayedEjaculation DisorderErectile DysfunctionFemale Sexual Arousal DisorderFemale Sexual DysfunctionHot FlushHot FlushIll-defined Disorder

Showing 15 of 34 indications

Flibanserin brand names and reporting trend

Flibanserin is sold under the brand name Addyi.

Brand names

Addyi7

Quarterly reports (20072025)

200720202025

An upward trend reflects increased FAERS reporting overall, not necessarily increased risk.

Taking flibanserin with another medication?

Ask OpenClaim about your specific drug combination. Get a sourced report using FDA data, drug labels, and medical literature.