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Home > Losartan > Losartan side effects

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 12,937 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 14,015 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 Nov, 12, 2014: 12,937 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
Headache (pain in head)DizzinessAngioedema (rapid swelling of the dermis)Ischaemic Stroke (stroke; caused by an interruption in the flow of blood to the brain)Hypertension (high blood pressure)Hypertension (high blood pressure)Blood Pressure IncreasedDyspnoea (difficult or laboured respiration)
DizzinessFatigue (feeling of tiredness)DizzinessDizzinessArthralgia (joint pain)Headache (pain in head)Rash (redness)Fatigue (feeling of tiredness)
Blood Pressure IncreasedRenal Failure Acute (rapid kidney dysfunction)Erectile DysfunctionHyperkalaemia (damage to or disease of the kidney)Heart Rate IncreasedDizzinessUrinary Tract InfectionDizziness
InfectionDiarrhoeaLiver Disorder (liver diseases)Angioedema (rapid swelling of the dermis)DiarrhoeaRenal Failure (kidney dysfunction)Oedema Peripheral (superficial swelling)Nausea (feeling of having an urge to vomit)
Drug IneffectiveHeadache (pain in head)Nausea (feeling of having an urge to vomit)Blood Pressure IncreasedPanic AttackConstipationFace Oedema (swelling of face)Pain
Erythema Multiforme (type of hypersensitivity reaction)Liver Disorder (liver diseases)Malaise (a feeling of general discomfort or uneasiness)Bronchopneumonia (inflammation of the lungs, arising in the bronchi or bronchioles)Irritable Bowel SyndromeMuscle Spasms (muscle contraction)Pruritus (severe itching of the skin)Diarrhoea
Nephrotic Syndrome (kidney disease with proteinuria, hypoalbuminemia, and oedema)VomitingDyspnoea (difficult or laboured respiration)Renal Failure Chronic (long lasting kidney dysfunction)Nausea (feeling of having an urge to vomit)Diplopia (double vision)Lymphadenopathy (disease or enlargement of lymph nodes)Headache (pain in head)
Dyspnoea (difficult or laboured respiration)Blood Pressure IncreasedFatigue (feeling of tiredness)Cold SweatGastrointestinal Haemorrhage (bleeding gastrointestinal tract)Neurogenic Bladder (the normal function of the bladder is to store and empty urine in a coordinated, controlled fashion)Priapism (prolonged and painful erection that can last from several hours up to a few days)Arthralgia (joint pain)
Nausea (feeling of having an urge to vomit)Angioedema (rapid swelling of the dermis)Headache (pain in head)Headache (pain in head)Anaemia (lack of blood)DepressionSwollen Tongue (swelling of tongue)Asthenia (weakness)
Rash (redness)Abdominal PainAlanine Aminotransferase IncreasedCerebral Ischaemia (insufficient blood flow to the brain to meet metabolic demand)PneumoniaVertigoTongue Oedema (swelling of tongue)Drug Ineffective

Most common side effects by gender * :

DizzinessDyspnoea (difficult or laboured respiration)
Nausea (feeling of having an urge to vomit)Fatigue (feeling of tiredness)
Dyspnoea (difficult or laboured respiration)Pyrexia (fever)
Headache (pain in head)Nausea (feeling of having an urge to vomit)
Fatigue (feeling of tiredness)Dizziness
VomitingMalaise (a feeling of general discomfort or uneasiness)
Arthralgia (joint pain)Asthenia (weakness)
Hypertension (high blood pressure)Hypotension (abnormally low blood pressure)

Most common side effects by age * :

Exposure To Communicable DiseaseDevice Related InfectionInfectionConvulsion (muscles contract and relax rapidly and repeatedly, resulting in an uncontrolled shaking of the body)Malaise (a feeling of general discomfort or uneasiness)Dyspnoea (difficult or laboured respiration)Dyspnoea (difficult or laboured respiration)Nausea (feeling of having an urge to vomit)
Blood Pressure IncreasedRenal Failure Acute (rapid kidney dysfunction)Systemic Lupus Erythematosus (an autoimmune disease, which means the body's immune system mistakenly, attacks healthy tissue)Oedema Peripheral (superficial swelling)Pyrexia (fever)Headache (pain in head)Arthralgia (joint pain)Dizziness
VomitingHenoch-schonlein Purpura (inflammation of the blood vessels in the skin and other body organs)Lupus Nephritis (a chronic inflammatory autoimmune disorder that may affect kidney tissue)Arthralgia (joint pain)Fatigue (feeling of tiredness)Fatigue (feeling of tiredness)Nausea (feeling of having an urge to vomit)Dyspnoea (difficult or laboured respiration)
Loss Of ConsciousnessHypertension (high blood pressure)Pyrexia (fever)Arrhythmia (irregular heartbeat)Renal Failure (kidney dysfunction)Nausea (feeling of having an urge to vomit)PainFatigue (feeling of tiredness)
Cardiac ArrestFatigue (feeling of tiredness)Hypertension (high blood pressure)DiarrhoeaHypotension (abnormally low blood pressure)Hypertension (high blood pressure)DizzinessDiarrhoea
Foetal Growth Restriction (poor growth of a baby while in the mother's womb during pregnancy)Hypotension (abnormally low blood pressure)Dyspnoea (difficult or laboured respiration)Urinary Tract InfectionDiarrhoeaCoughHeadache (pain in head)Asthenia (weakness)
Oligohydramnios (a condition in pregnancy characterized by a deficiency of amniotic fluid)Oedema Nos (fluid collection in tissue)Blood Creatinine IncreasedPlatelet Count DecreasedConvulsion (muscles contract and relax rapidly and repeatedly, resulting in an uncontrolled shaking of the body)Pyrexia (fever)Drug IneffectivePyrexia (fever)
Congenital Renal Disorder (disease of kidney by birth)Anaemia Nos (lack of blood)Renal Failure (kidney dysfunction)Condition AggravatedPainDizzinessFatigue (feeling of tiredness)Headache (pain in head)
Pulmonary Embolism (blockage of the main artery of the lung)Proteinuria PresentHypotension (abnormally low blood pressure)Dyspnoea (difficult or laboured respiration)Urinary Tract InfectionRash (redness)Hypotension (abnormally low blood pressure)Malaise (a feeling of general discomfort or uneasiness)
Proteinuria (presence of protein in the urine)Septic Arthritis Staphylococcal (bacterial blood infection spreads to joint caused by staphylococcus)Renal Impairment (severely reduced kidney function)Blood Pressure IncreasedNausea (feeling of having an urge to vomit)Blood Pressure IncreasedVomitingVomiting

* Some reports may have incomplete information.

Browse Losartan side effects from A to Z:

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.

Are you taking Losartan?

Comments from related studies:

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  • took xray treatments for psoriasis and got bad burns on several parts of my body


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  • I stop pradaxa a week before having pain shot for lower back pain. I have no pain or weakness for about a week after going back on pradaxa. This has happended three times now. Can't say for sure the pradaxa is the cause or if that is the amount of time the pain shot last.


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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.

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You may report adverse side effects to the FDA at http://www.fda.gov/medwatch/ or 1-800-FDA-1088 (1-800-332-1088).

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