OpenClaim

Lotilaner Side Effects

The most commonly reported side effects of lotilaner include eye irritation, ocular hyperaemia, and vision blurred, based on 2,054 FDA adverse event reports from 2006 to 2025. 3.9% of reports found the drug to be ineffective.

Lotilaner side effects

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

1
Eye Irritation12.8%262
2
Ocular Hyperaemia8.4%173
3
Vision Blurred8.3%170
4
Eye Pain8.0%164
5
Product Use Issue7.1%146
6
Condition Aggravated6.3%129
7
Off Label Use6.0%124
8
Therapy Interrupted6.0%124
9
Wrong Technique In Product Usage Process5.8%120
10
Eye Pruritus5.4%110
11
Instillation Site Irritation4.9%101
12
Lacrimation Increased4.3%88
13
Drug Ineffective3.9%81
14
Headache3.8%79
15
Eye Swelling3.7%76

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

Report severity

9.6%Serious198 reports
2.1%Hospitalizations43 reports
1.0%Fatal20 reports

Seriousness is determined by the reporter, not by OpenClaim.

Lotilaner drug interactions

Other drugs that appear in adverse event reports alongside lotilaner. 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
Dupilumab1.4%29
2
Cenegermin-bkbj0.9%19
3
Pimavanserin0.3%7
4
Abaloparatide0.2%5
5
Perfluorohexyloctane0.2%5
6
Prednisone0.2%4
7
Lifitegrast0.2%4
8
Corticotropin0.2%4
9
Cyclosporine0.1%3
10
Sodium-oxybate0.1%3
11
Metformin<0.1%2
12
Loteprednol-etabonate<0.1%2
13
Apremilast<0.1%2
14
Brimonidine-tartrate<0.1%2
15
Avapritinib<0.1%2

Taken alongside

1
Levothyroxine-sodium5.7%118
2
Ergocalciferol5.4%110
3
Atorvastatin-calcium5.3%109
4
Aspirin3.4%70
5
Amlodipine3.4%69
6
Metoprolol3.2%65
7
Omeprazole3.1%63
8
Losartan-potassium3.1%63
9
Fluticasone2.8%57
10
Rosuvastatin2.6%54
11
Lisinopril2.5%51
12
Acetaminophen2.3%48
13
Famotidine2.2%46
14
Metformin2.2%45
15
Gabapentin2.0%41

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 lotilaner side effects

35.2% of lotilaner adverse event reports involve female patients and 15.9% involve male patients. The largest age group is elderly at 61%. These figures reflect who reports side effects, not underlying risk.

Sex

Female35.2%
Male15.9%
Unknown48.9%

Age group

< 20.1%
2–111.1%
12–171.6%
18–6436.3%
65+60.9%

What is lotilaner used for

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

AcariasisArthropod InfestationBlepharitisChalazionConjunctivitisDandruffDemodex BlepharitisDemodicidosisDermatitisDrug TherapyDry EyeEye DisorderEye InfectionEye InflammationEye Irritation

Showing 15 of 38 indications

Lotilaner brand names and reporting trend

Lotilaner is sold under the brand name Xdemvy.

Brand names

Xdemvy1

Quarterly reports (20062025)

20062025

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

Taking lotilaner with another medication?

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