MID-VOLUME · TREATMENT FAILURE
timolol Side Effects
timolol (also sold as Timoptic) sits MID-VOLUME #300 of 524 by FAERS report count. Lead signal: TREATMENT FAILURE - TREATMENT FAILURE leads at 3,042 reports (26.0% of the book). Demographics and serious-outcome tables follow.
Data updated 2026-05-15
- 11,690
- FAERS reports
FDA Adverse Event Reporting System extract for timolol. Stamp set WATCHLIST · DEATH-MARKED · HOSP-MID. How figures are compiled.
Among 11,690 FAERS reports for timolol, TREATMENT FAILURE is the most-reported reaction (3,042). Volume band MID-VOLUME #300 of 524 by FAERS report count.
Mid-book FAERS page for timolol (Timoptic) (11,690 reports). Signature TREATMENT FAILURE. Dominant age band on file: 75+. Educational reference only.
Counts from the openFDA FAERS extract (2003–2025). Stamps WATCHLIST · DEATH-MARKED · HOSP-MID · SEX-BALANCED.
TREATMENT FAILURE leads 3,042 of 11,690 reports
Who reports · age peak 75+ (SEX-BALANCED)
Sex coding · SEX-BALANCED
Age peak 75+ (2,527 reports)
FAERS filings rising toward 2025
Reactions in Death Reports
Death appears on 550 reports (4.7% - MARKED). Reactions below co-occur in those rows only.
| Reaction | Reports |
|---|---|
| DEATH | 239 |
| DIARRHOEA | 35 |
| FALL | 31 |
| PNEUMONIA | 28 |
| RENAL FAILURE | 26 |
| SEPSIS | 23 |
| RESPIRATORY FAILURE | 22 |
| ACUTE KIDNEY INJURY | 21 |
| ASTHENIA | 21 |
| ANAEMIA | 20 |
| CHRONIC KIDNEY DISEASE | 20 |
| DYSPNOEA | 19 |
| FATIGUE | 19 |
| CARDIO-RESPIRATORY ARREST | 18 |
| THROMBOCYTOPENIA | 17 |
| CARDIAC FAILURE CONGESTIVE | 16 |
| CEREBRAL HAEMORRHAGE | 15 |
| MYALGIA | 15 |
| SEPTIC SHOCK | 15 |
Reactions in Hospitalization Reports
Hospitalization mid-share (2,304, 19.7%). Co-reported reactions:
| Reaction | Reports |
|---|---|
| DYSPNOEA | 178 |
| DIARRHOEA | 161 |
| FALL | 157 |
| FATIGUE | 141 |
| PNEUMONIA | 137 |
| ACUTE KIDNEY INJURY | 132 |
| ANAEMIA | 104 |
| BRADYCARDIA | 104 |
| DIZZINESS | 103 |
| ASTHENIA | 101 |
| PYREXIA | 99 |
| CONFUSIONAL STATE | 95 |
| PAIN | 94 |
| NAUSEA | 93 |
| URINARY TRACT INFECTION | 92 |
| DEHYDRATION | 87 |
| VOMITING | 80 |
| MALAISE | 77 |
| GASTROINTESTINAL HAEMORRHAGE | 76 |
How to read timolol FAERS figures (WATCHLIST · DEATH-MARKED · HOSP-MID)
FAERS holds 11,690 voluntary reports linked to timolol (Timoptic), 2003-2025. Death is listed on 550 (4.7%). Hospitalization appears on 2,304 (19.7%). Top co-reported indication: Product Used For Unknown Indication.
Mid-volume extract - treat DEATH-MARKED · HOSP-MID as signal-detection rates next to TREATMENT FAILURE leads at 3,042 reports (26.0% of the book).
Read with timolol
Peers ranked by ABS(total_reports), then an ABS(death_share) pole; guide hop follows DEATH-MARKED · HOSP-MID stamps.
ABS(total_reports) peer at 11,723 FAERS cases (Δ 33 heavier vs timolol); DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED vs this page's WATCHLIST · DEATH-MARKED · HOSP-MID · SEX-BALANCED.
ABS(total_reports) peer at 11,724 FAERS cases (Δ 34 heavier vs timolol); DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED vs this page's WATCHLIST · DEATH-MARKED · HOSP-MID · SEX-BALANCED.
ABS(total_reports) peer at 11,539 FAERS cases (Δ 151 lighter vs timolol); DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED vs this page's WATCHLIST · DEATH-MARKED · HOSP-MID · SEX-BALANCED.
ABS(total_reports) peer at 11,382 FAERS cases (Δ 308 lighter vs timolol); DEATH-HEAVY · HOSP-MID · SEX-BALANCED vs this page's WATCHLIST · DEATH-MARKED · HOSP-MID · SEX-BALANCED.
ABS(death_share) pole at 62.1% death-mentioned reports (Δ 57.4 pp vs timolol's DEATH-MARKED): CASELOAD · HOSP-MID.
timolol stamps WATCHLIST · SEX-BALANCED; class peers and methodology beat restating the same FAERS caveats on every effects URL.