Skip to content
Important: This site presents data from the FDA Adverse Event Reporting System (FAERS). A report does not mean the drug caused the event. Full disclaimer.

HYDROCHLOROTHIAZIDE\LOSARTAN: 3,366 Adverse Event Reports & Safety Profile

Lower Your Cholesterol — The Natural Way

The Oxidized Cholesterol Strategy: a science-backed plan for heart health.

See the Strategy
3,366
Total FAERS Reports
203 (6.0%)
Deaths Reported
1,247
Hospitalizations
3,366
As Primary/Secondary Suspect
177
Life-Threatening
124
Disabilities

Active Ingredient: HYDROCHLOROTHIAZIDE\LOSARTAN POTASSIUM ·

First Report: 1994 · Latest Report: 20250822

What Are the Most Common HYDROCHLOROTHIAZIDE\LOSARTAN Side Effects?

#1 Most Reported
Drug ineffective
225 reports (6.7%)
#2 Most Reported
Dizziness
201 reports (6.0%)
#3 Most Reported
Acute kidney injury
201 reports (6.0%)

All HYDROCHLOROTHIAZIDE\LOSARTAN Side Effects by Frequency

Side Effect Reports % of Total Deaths Hosp.
Drug ineffective 225 6.7% 0 27
Acute kidney injury 201 6.0% 10 170
Dizziness 201 6.0% 3 51
Hyponatraemia 190 5.6% 0 180
Dyspnoea 186 5.5% 5 89
Hypotension 161 4.8% 3 84
Fatigue 152 4.5% 5 59
Nausea 140 4.2% 12 44
Vomiting 137 4.1% 8 86
Arthralgia 133 4.0% 0 51
Headache 133 4.0% 0 32
Malaise 132 3.9% 2 51
Hypertension 130 3.9% 1 54
Blood pressure increased 127 3.8% 0 24
Syncope 123 3.7% 0 88
Hypokalaemia 117 3.5% 0 91
Cough 106 3.2% 1 9
Peripheral swelling 96 2.9% 0 44
Product substitution issue 91 2.7% 0 8
Pain 86 2.6% 0 11

Who Reports HYDROCHLOROTHIAZIDE\LOSARTAN Side Effects? Age & Gender Data

Gender: 64.0% female, 36.0% male. Average age: 68.7 years. Most reports from: US. View detailed demographics →

Is HYDROCHLOROTHIAZIDE\LOSARTAN Getting Safer? Reports by Year

YearReportsDeathsHosp.
2001 2 0 0
2003 2 0 1
2004 3 0 1
2005 4 0 0
2006 4 0 4
2007 14 0 9
2008 7 0 3
2009 12 0 9
2010 14 0 3
2011 26 3 14
2012 31 8 10
2013 43 1 19
2014 104 10 43
2015 128 8 60
2016 196 11 123
2017 170 5 72
2018 290 6 127
2019 288 14 86
2020 110 3 34
2021 168 13 75
2022 89 0 28
2023 87 4 53
2024 72 4 56
2025 23 0 10

View full timeline →

What Is HYDROCHLOROTHIAZIDE\LOSARTAN Used For?

IndicationReports
Hypertension 1,605
Product used for unknown indication 918
Blood pressure measurement 84
Essential hypertension 51
Blood pressure abnormal 48
Blood pressure increased 31
Blood pressure management 15
Diuretic therapy 9
Vertigo 8
Blood pressure 7

HYDROCHLOROTHIAZIDE\LOSARTAN vs Alternatives: Which Is Safer?

HYDROCHLOROTHIAZIDE\LOSARTAN vs HYDROCHLOROTHIAZIDE\METOPROLOL HYDROCHLOROTHIAZIDE\LOSARTAN vs HYDROCHLOROTHIAZIDE\NEBIVOLOL HYDROCHLOROTHIAZIDE\LOSARTAN vs HYDROCHLOROTHIAZIDE\OLMESARTAN MEDOXOMIL HYDROCHLOROTHIAZIDE\LOSARTAN vs HYDROCHLOROTHIAZIDE\QUINAPRIL HYDROCHLOROTHIAZIDE\LOSARTAN vs HYDROCHLOROTHIAZIDE\RAMIPRIL HYDROCHLOROTHIAZIDE\LOSARTAN vs HYDROCHLOROTHIAZIDE\SPIRONOLACTONE HYDROCHLOROTHIAZIDE\LOSARTAN vs HYDROCHLOROTHIAZIDE\TELMISARTAN HYDROCHLOROTHIAZIDE\LOSARTAN vs HYDROCHLOROTHIAZIDE\TRIAMTERENE HYDROCHLOROTHIAZIDE\LOSARTAN vs HYDROCHLOROTHIAZIDE\VALSARTAN HYDROCHLOROTHIAZIDE\LOSARTAN vs HYDROCODONE

Official FDA Label for HYDROCHLOROTHIAZIDE\LOSARTAN

Official prescribing information from the FDA-approved drug label.