MID-VOLUME · HOSP-HEAVY
desloratadine Side Effects
desloratadine (also sold as Clarinex) sits MID-VOLUME #313 of 524 by FAERS report count. Lead signal: HOSP-HEAVY - 37.9% mention hospitalization (3,888 reports). Demographics and serious-outcome tables follow.
Data updated 2026-05-15
- 10,248
- FAERS reports
FDA Adverse Event Reporting System extract for desloratadine. Stamp set WATCHLIST · DEATH-HEAVY · HOSP-HEAVY. How figures are compiled.
desloratadine: 37.9% mention hospitalization (3,888 reports). Death stamp DEATH-HEAVY; volume band MID-VOLUME #313 of 524 by FAERS report count.
Mid-book FAERS page for desloratadine (Clarinex) (10,248 reports). Signature HOSP-HEAVY. Dominant age band on file: 45-64. Educational reference only.
Counts from the openFDA FAERS extract (2004–2025). Stamps WATCHLIST · DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED.
FATIGUE leads 601 of 10,248 reports
Who reports · age peak 45-64 (SEX-BALANCED)
Sex coding · SEX-BALANCED
Age peak 45-64 (2,522 reports)
FAERS filings rising toward 2025
Reactions in Death Reports
Death-mentioned subset is HEAVY here (535 reports, 5.2%). Top co-reported reactions in that subset - voluntary, not causal.
| Reaction | Reports |
|---|---|
| DEATH | 114 |
| TOXICITY TO VARIOUS AGENTS | 37 |
| ARRHYTHMIA | 36 |
| ACUTE KIDNEY INJURY | 31 |
| DRUG INTERACTION | 31 |
| INTERSTITIAL LUNG DISEASE | 30 |
| PNEUMONIA | 28 |
| CARDIAC ARREST | 27 |
| DYSPNOEA | 26 |
| RESPIRATORY FAILURE | 26 |
| SUDDEN DEATH | 26 |
| CARDIO-RESPIRATORY ARREST | 25 |
| INTENTIONAL OVERDOSE | 25 |
| MYOCARDIAL INFARCTION | 24 |
| RENAL FAILURE | 24 |
| PYREXIA | 21 |
| SEPTIC SHOCK | 21 |
| CONTRAINDICATED PRODUCT ADMINISTERED | 19 |
| ELECTROCARDIOGRAM QT PROLONGED | 19 |
Reactions in Hospitalization Reports
Hospitalization is HEAVY (3,888, 37.9% of the book). Top reactions in those rows:
| Reaction | Reports |
|---|---|
| DYSPNOEA | 248 |
| NAUSEA | 229 |
| VOMITING | 221 |
| ACUTE KIDNEY INJURY | 188 |
| PYREXIA | 186 |
| FATIGUE | 185 |
| DIARRHOEA | 182 |
| FALL | 178 |
| DIZZINESS | 161 |
| HYPOTENSION | 154 |
| HEADACHE | 151 |
| PNEUMONIA | 146 |
| ASTHENIA | 142 |
| PRURITUS | 138 |
| RASH | 137 |
| INTENTIONAL OVERDOSE | 133 |
| MALAISE | 126 |
| ABDOMINAL PAIN | 124 |
| HYPONATRAEMIA | 122 |
How to read desloratadine FAERS figures (WATCHLIST · DEATH-HEAVY · HOSP-HEAVY)
FAERS holds 10,248 voluntary reports linked to desloratadine (Clarinex), 2004-2025. Death is listed on 535 (5.2%). Hospitalization appears on 3,888 (37.9%). Top co-reported indication: Product Used For Unknown Indication.
Mid-volume extract - treat DEATH-HEAVY · HOSP-HEAVY as signal-detection rates next to 37.9% mention hospitalization (3,888 reports).
Read with desloratadine
Peers ranked by ABS(total_reports), then an ABS(death_share) pole; guide hop follows DEATH-HEAVY · HOSP-HEAVY stamps.
ABS(total_reports) peer at 10,243 FAERS cases (Δ 5 lighter vs desloratadine); DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED vs this page's WATCHLIST · DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED.
ABS(total_reports) peer at 10,232 FAERS cases (Δ 16 lighter vs desloratadine); DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED vs this page's WATCHLIST · DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED.
ABS(total_reports) peer at 10,228 FAERS cases (Δ 20 lighter vs desloratadine); DEATH-HEAVY · HOSP-MID · FEMALE-LED vs this page's WATCHLIST · DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED.
ABS(total_reports) peer at 10,198 FAERS cases (Δ 50 lighter vs desloratadine); DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED vs this page's WATCHLIST · DEATH-HEAVY · HOSP-HEAVY · SEX-BALANCED.
ABS(death_share) pole at 62.1% death-mentioned reports (Δ 56.9 pp vs desloratadine's DEATH-HEAVY): CASELOAD · HOSP-MID.
desloratadine stamps DEATH-HEAVY · HOSP-HEAVY; FAERS outcome shares are signal-detection rates, not incidence. Read them next to caseload WATCHLIST and the label guide.