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Bimatoprost Side Effects

The most commonly reported side effects of bimatoprost include treatment failure, ocular hyperaemia, and eye irritation, based on 30,929 FDA adverse event reports from 2004 to 2025. 13.2% of reports found the drug to be ineffective.

Bimatoprost side effects

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

1
Drug Ineffective13.2%4,075
2
Treatment Failure9.9%3,076
3
Ocular Hyperaemia6.2%1,928
4
Eye Irritation5.5%1,700
5
Madarosis4.0%1,227
6
Eye Pruritus3.4%1,058
7
Eye Pain2.9%896
8
Erythema Of Eyelid2.8%860
9
Hypersensitivity2.8%851
10
Off Label Use2.4%736
11
Vision Blurred2.3%718
12
Intraocular Pressure Increased2.3%714
13
Ocular Hyperaemia2.2%675
14
Inappropriate Schedule Of Drug Administration2.2%665
15
Fatigue2.1%656

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

Report severity

25.9%Serious8,004 reports
10.4%Hospitalizations3,209 reports
2.6%Fatal809 reports

Seriousness is determined by the reporter, not by OpenClaim.

Bimatoprost drug interactions

Other drugs that appear in adverse event reports alongside bimatoprost. 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
Brimonidine-tartrate7.3%2,244
2
Timolol7.2%2,241
3
Latanoprost6.8%2,110
4
Travoprost3.1%961
5
Brinzolamide3.0%936
6
Dorzolamide-hydrochloride2.8%876
7
Lenalidomide2.0%627
8
Adalimumab0.9%268
9
Cenegermin-bkbj0.7%215
10
Cyclosporine0.6%196
11
Dupilumab0.5%167
12
Pilocarpine0.4%134
13
Rivaroxaban0.4%134
14
Rituximab0.4%133
15
Atorvastatin-calcium0.4%126

Taken alongside

1
Timolol8.7%2,705
2
Brimonidine-tartrate7.4%2,277
3
Aspirin7.2%2,239
4
Levothyroxine-sodium6.5%2,008
5
Ergocalciferol6.1%1,887
6
Acetaminophen5.9%1,826
7
Atorvastatin-calcium5.4%1,680
8
Amlodipine4.9%1,521
9
Dorzolamide-hydrochloride4.6%1,427
10
Furosemide4.5%1,386
11
Omeprazole4.5%1,378
12
Metoprolol4.0%1,249
13
Metformin3.9%1,194
14
Albuterol3.8%1,176
15
Lisinopril3.6%1,120

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 bimatoprost side effects

71.1% of bimatoprost adverse event reports involve female patients and 23.2% involve male patients. The largest age group is elderly at 56%. These figures reflect who reports side effects, not underlying risk.

Sex

Female71.1%
Male23.2%
Unknown5.7%

Age group

< 20.1%
2–110.2%
12–170.2%
18–6443.1%
65+56.4%

What is bimatoprost used for

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

Abnormal Sensation In EyeAccidental ExposureAccidental Exposure To ProductAccidental Exposure To Product By ChildAlopeciaAlopecia AreataAlopecia TotalisAngle Closure GlaucomaAsthenopiaAstigmatismAdverse Drug ReactionAlopeciaAlopecia AreataAngle Closure GlaucomaBipolar Disorder

Showing 15 of 231 indications

Bimatoprost brand names and reporting trend

Bimatoprost is sold under the brand name Lumigan.

Brand names

Lumigan2,548

Quarterly reports (20042025)

20052010201520202025

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

Taking bimatoprost with another medication?

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