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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 12,841 people who have side effects while taking Losartan from FDA and social media, and is updated regularly.

Stay connected: join a mobile support group for people who have Losartan side effects >>>

What is Losartan

Losartan (latest outcomes from 13,904 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 Jul, 22, 2014: 12,841 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 IncreasedRenal FailureUrinary Tract InfectionDizziness
InfectionDiarrhoeaLiver DisorderAngioedemaDiarrhoeaMuscle SpasmsOedema PeripheralNausea
Drug IneffectiveLiver DisorderHeadacheBlood Pressure IncreasedIrritable Bowel SyndromeDizzinessFace OedemaPain
Nephrotic SyndromeHeadacheDyspnoeaBronchopneumoniaPanic AttackVertigoPruritusDiarrhoea
Erythema MultiformeVomitingMalaiseRenal Failure ChronicNauseaDiplopiaLymphadenopathyHeadache
NauseaAbdominal PainNauseaHeadacheAnaemiaNeurogenic BladderPriapismArthralgia
DyspnoeaAngioedemaCollagen DisorderCold SweatPneumoniaCardiac FailureSwollen TongueAsthenia
CoughBlood Pressure IncreasedPulmonary OedemaConstipationGastrointestinal HaemorrhageConstipationTongue OedemaDrug Ineffective

Most common side effects by gender * :

PainDrug Ineffective

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 FailureHypertensionDizzinessFatigue
Cardiac ArrestFatigueHypertensionDiarrhoeaHypotensionNauseaPainDiarrhoea
Foetal Growth RestrictionHypotensionDyspnoeaUrinary Tract InfectionDiarrhoeaCoughHeadacheAsthenia
OligohydramniosOedema NosBlood Creatinine IncreasedPlatelet Count DecreasedUrinary Tract InfectionPyrexiaDrug IneffectiveHeadache
Congenital Renal DisorderAnaemia NosRenal FailureCondition AggravatedNauseaDizzinessFatiguePyrexia
Pulmonary EmbolismProteinuria PresentHypotensionDyspnoeaConvulsionRashHypotensionMalaise
ProteinuriaSeptic Arthritis StaphylococcalRenal ImpairmentBlood Pressure IncreasedPainBlood Pressure IncreasedVomitingVomiting

* Some reports may have incomplete information.

Browse Losartan side effects from A to Z:

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Can you answer these questions (what is this?):

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    BP 149/103, 151/94, 151/94, 153/100, 150/103 after taking up to 75mg of Losartan for BP.

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    I started taking Plavix prior to a stent placement one week ago. After two or three days I developed a hoarseness and voice interference.

  • Does losartan cause dizziness?
    My dizziness most likely due to Losartan (50 mg/day)taken for mild high blood pressure) seems to have peaked about 6 months after I began taking it. Was quite severe for a couple of days, then gradually disappeared. I have been on Losartan for over 2 years now, with no further side effects that I a ...

More questions for: Losartan

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    i began this drug a week and two days now. after the fourth day i saw hair loss, my sister said you have a dry patch in your hair and i went home and brushed my hair there was no much hair loss and a few bald patches about the size of fists at the back of my head. There was no way to hide them, e ...

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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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