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Review: Losartan side effects

In this review, we analyze Losartan side effects by the time on the drug, gender and age (0-60+) of the people who have side effects while taking Losartan. The review is based on 12,882 people who have side effects while taking Losartan from FDA and social media, and is updated regularly.

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What is Losartan

Losartan (latest outcomes from 13,968 users) has active ingredients of losartan potassium. It is often used in high blood pressure.

Other drugs that have the same active ingredients (losartan potassium): Cozaar, Losartan Potassium.

On Sep, 1, 2014: 12,882 people who reported to have side effects when taking Losartan are studied


Most common side effects over time * :

< 1 month1 - 6 months6 - 12 months1 - 2 years2 - 5 years5 - 10 years10+ yearsnot specified
HeadacheDizzinessAngioedemaIschaemic StrokeHypertensionHeadacheBlood Pressure IncreasedDyspnoea
Blood Pressure IncreasedRenal Failure AcuteErectile DysfunctionHyperkalaemiaHeart Rate IncreasedConstipationUrinary Tract InfectionDizziness
InfectionDiarrhoeaLiver DisorderAngioedemaDiarrhoeaMuscle SpasmsOedema PeripheralNausea
Drug IneffectiveLiver DisorderMalaiseBlood Pressure IncreasedNauseaRenal FailureFace OedemaPain
Nephrotic SyndromeHeadacheDyspnoeaRenal Failure ChronicPanic AttackDizzinessPruritusDiarrhoea
Erythema MultiformeVomitingHeadacheHeadacheIrritable Bowel SyndromeNeurogenic BladderLymphadenopathyHeadache
NauseaBlood Pressure IncreasedNauseaCold SweatAnaemiaCardiac FailurePriapismArthralgia
DyspnoeaAbdominal PainRashCerebral IschaemiaPneumoniaDepressionSwollen TongueAsthenia
CoughAngioedemaFatigueBronchopneumoniaGastrointestinal HaemorrhageVertigoTongue OedemaDrug Ineffective

Most common side effects by gender * :


Most common side effects by age * :

Exposure To Communicable DiseaseDevice Related InfectionInfectionConvulsionMalaiseDyspnoeaDyspnoeaNausea
Blood Pressure IncreasedRenal Failure AcuteSystemic Lupus ErythematosusOedema PeripheralPyrexiaHeadacheArthralgiaDizziness
VomitingHenoch-schonlein PurpuraLupus NephritisArthralgiaFatigueFatigueNauseaDyspnoea
Loss Of ConsciousnessHypertensionPyrexiaArrhythmiaRenal FailureNauseaPainFatigue
Cardiac ArrestFatigueHypertensionDiarrhoeaHypotensionHypertensionDizzinessDiarrhoea
Foetal Growth RestrictionHypotensionDyspnoeaUrinary Tract InfectionDiarrhoeaCoughHeadacheAsthenia
OligohydramniosOedema NosBlood Creatinine IncreasedPlatelet Count DecreasedConvulsionPyrexiaDrug IneffectivePyrexia
Congenital Renal DisorderAnaemia NosRenal FailureCondition AggravatedPainRashFatigueHeadache
Pulmonary EmbolismProteinuria PresentHypotensionDyspnoeaNauseaDizzinessHypotensionMalaise
ProteinuriaSeptic Arthritis StaphylococcalRenal ImpairmentBlood Pressure IncreasedUrinary Tract InfectionBlood Pressure IncreasedPyrexiaVomiting

* Some reports may have incomplete information.

Browse Losartan side effects from A to Z:

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Are you taking Losartan?

Comments from related studies:

  • From this study (23 hours ago):

  • Please tell me what you think about these drugs for my condition. I have had leg problems sweating depression Short of breath but I also have severe cold but Dr says that the heart is only pumping 20%. Any help with what you think would work best would be greatly appreciated..thank you


  • From this study (2 days ago):

  • Get the rapid muscle twitches in the breast area


  • From this study (4 days ago):

  • I recently quit taking all meds due to loss of insurance coverage. I have been having symptoms for a week that seem to only get worse


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More reviews for: Losartan

On eHealthMe, Losartan (losartan potassium) is often used for high blood pressure. Find out below the conditions Losartan is used for, how effective it is, and any alternative drugs that you can use to treat those same conditions.

What is Losartan used for and how effective is it:

Other drugs that are used to treat the same conditions:

Studies of common Losartan drug interactions:

Browse Losartan drug interactions with drugs from A to Z:

NOTE: The study is based on active ingredients and brand name. Other drugs that have the same active ingredients (e.g. generic drugs) are NOT considered.

WARNING: Please DO NOT STOP MEDICATIONS without first consulting a physician since doing so could be hazardous to your health.

DISCLAIMER: All material available on is for informational purposes only, and is not a substitute for medical advice, diagnosis, or treatment provided by a qualified healthcare provider. All information is observation-only, and has not been supported by scientific studies or clinical trials unless otherwise stated. Different individuals may respond to medication in different ways. Every effort has been made to ensure that all information is accurate, up-to-date, and complete, but no guarantee is made to that effect. The use of the eHealthMe site and its content is at your own risk.

You may report adverse side effects to the FDA at or 1-800-FDA-1088 (1-800-332-1088).

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