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Review: taking Losartan and Prilosec together

Summary: drug interactions are reported among people who take Losartan and Prilosec together.

This review analyzes the effectiveness and drug interactions between Losartan and Prilosec. It is created by eHealthMe based on reports of 3,363 people who take the same drugs from FDA and social media, and is updated regularly.


You are not alone: join a support group for people who take Losartan and Prilosec >>>

On Apr, 15, 2015: 3,362 people who take Losartan, Prilosec are studied

Losartan, Prilosec outcomes

Drug combinations in study:
- Losartan (losartan potassium)
- Prilosec (omeprazole)

Drug effectiveness over time :

< 1 month1 - 6 months6 - 12 months1 - 2 years2 - 5 years5 - 10 years10+ yearsnot specified
Losartan is effective0.00%
(0 of 3 people)
(3 of 11 people)
(4 of 10 people)
(10 of 23 people)
(15 of 24 people)
(8 of 16 people)
(8 of 11 people)
(0 of 3 people)
Prilosec is effective50.00%
(2 of 4 people)
(4 of 7 people)
(2 of 3 people)
(7 of 14 people)
(24 of 31 people)
(14 of 20 people)
(16 of 21 people)
(0 of 2 people)

Drug effectiveness by gender :

Losartan is effective46.00%
(23 of 50 people)
(25 of 51 people)
Prilosec is effective63.27%
(31 of 49 people)
(38 of 53 people)

Drug effectiveness by age :

Losartan is effectiven/an/a100.00%
(1 of 1 people)
(0 of 1 people)
(1 of 5 people)
(4 of 14 people)
(14 of 46 people)
(28 of 77 people)
Prilosec is effectiven/an/a100.00%
(1 of 1 people)
(0 of 1 people)
(3 of 5 people)
(4 of 15 people)
(18 of 47 people)
(43 of 82 people)

Most common drug interactions over time * :

< 1 month1 - 6 months6 - 12 months1 - 2 years2 - 5 years5 - 10 years10+ yearsnot specified
InfectionDizzinessRenal Failure AcuteCoronary Artery DiseaseRenal Failure AcuteHypokalaemiaNephrotic SyndromeDyspnoea
Renal FailureLiver DisorderDyspnoeaCerebral IschaemiaDeathHypocalcaemiaCoughNausea
Lupus NephritisRenal Failure AcutePulmonary OedemaDizzinessHypocalcaemiaHypomagnesaemiaLymphadenopathyPain
Systemic Lupus ErythematosusNauseaSyncopePain In ExtremityOesophagitisDiarrhoeaErythemaFatigue
Nephrotic SyndromeFatigueNodal ArrhythmiaArthralgiaMuscular WeaknessCerebrovascular AccidentTongue OedemaChest Pain
PneumoniaHeadacheInsomniaChest PainHypoaesthesiaCardiovascular DisorderSwollen TongueDizziness
Platelet Count DecreasedVomitingHaemorrhage IntracranialNauseaProthrombin Level IncreasedTransient Ischaemic AttackHypersensitivityDiarrhoea
ConvulsionPruritusPyrexiaErythemaInfectionSpinal Column StenosisRashAsthenia
Respiratory FailureUpper Gastrointestinal HaemorrhageFractureDuodenitisDiarrhoeaCondition AggravatedOedema PeripheralArthralgia
Cerebral InfarctionCardiac FailureDysphoniaHiatus HerniaBlood Lactate Dehydrogenase IncreasedCarotid Artery StenosisPruritusFall

Most common drug interactions by gender * :

ArthralgiaChest Pain
Chest PainDizziness
AstheniaCardiac Failure Congestive
FatigueAtrial Fibrillation

Most common drug interactions by age * :

n/aBacillus InfectionSystemic Lupus ErythematosusDermatitis AllergicRenal FailureNauseaNauseaDyspnoea
Lupus NephritisCoughHypomagnesaemiaDyspnoeaPainPain
InfectionCardiac DisorderVomitingHeadacheFatigueDizziness
Electrocardiogram Qt ProlongedInfluenzaInjuryChest PainArthralgiaChest Pain
HyperkalaemiaInjection Site PainHypocalcaemiaVomitingDizzinessNausea
Blood Pressure DecreasedUrinary Tract InfectionAspartate Aminotransferase IncreasedCoughDyspnoeaDiarrhoea
Cardio-respiratory ArrestSwellingAbdominal DiscomfortAnxietyDiarrhoeaFatigue
BronchospasmPain In ExtremityAlanine Aminotransferase IncreasedOedema PeripheralAstheniaAsthenia
ParotitisArthritisWeight IncreasedDrug IneffectiveHypotensionFall
HypertensionHypertensionCholelithiasisFatigueAnxietyOedema Peripheral

* Some reports may have incomplete information.

How to use the study: print a copy of the study and bring it to your health teams to ensure drug risks and benefits are fully discussed and understood.

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- support group for people who take Losartan
- support group for people who take Prilosec

Recent related drug studies (Check your drugs):

Complete drug side effects:

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

What is the drug used for and how effective is it:

Other drugs that are used to treat the same conditions:

NOTE: The study is based on active ingredients. Other drugs that have the same active ingredients are also 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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