Adverse Drug Reaction Classification System

Pharmaceutical Information
Drug Name Losartan
Drug ID BADD_D01322
Description Losartan is an angiotensin II receptor blocker (ARB) used to treat hypertension.[L7423] Angiotensin-converting enzyme (ACE) inhibitors are used for a similar indication but are associated with a cough.[L7423] When patients with ACE inhibitor associated coughs are switched to ARBs like losartan, they have an incidence of cough similar to placebo or [hydrochlorothiazide].[L7423] Losartan is available as losartan potassium oral tablets as well as a combination tablet of losartan potassium and hydrochlorothiazide.[L7423,L7426] Patients taking losartan should have their renal function and potassium levels monitored.[L7423] Losartan was granted FDA approval on 14 April 1995.[L7423]
Indications and Usage May be used as a first line agent to treat uncomplicated hypertension, isolated systolic hypertension and left ventricular hypertrophy. May be used as a first line agent to delay progression of diabetic nephropathy. Losartan may be also used as a second line agent in the treatment of congestive heart failure, systolic dysfunction, myocardial infarction and coronary artery disease in those intolerant of ACE inhibitors.
Marketing Status Prescription; Discontinued
ATC Code C09CA01
DrugBank ID DB00678
KEGG ID D08146
MeSH ID D019808
PubChem ID 3961
NDC Product Code Not Available
Synonyms Losartan | 2-Butyl-4-chloro-1-((2'-(1H-etrazol-5-yl) (1,1'-biphenyl)-4-yl)methyl)-1H-imidazole-5-methanol | DuP-753 | DuP 753 | DuP753 | MK-954 | MK 954 | MK954 | Cozaar | Losartan Potassium | Potassium, Losartan | Losartan Monopotassium Salt | Monopotassium Salt, Losartan | Salt, Losartan Monopotassium
Chemical Information
Molecular Formula C22H23ClN6O
CAS Registry Number 114798-26-4
Chemical Structure
ADR Related Proteins Induced by Drug
ADR Term Protein Name UniProt AC TTD Target ID PMID
Capillary fragility increasedInterleukin-1 alphaP01583T1634026156105
Capillary fragility increasedInterleukin-10P29456Not Available26156105
Capillary fragility increasedC-C motif chemokine 2P14844Not Available26156105
Metabolic disorderCytochrome P450 2C9P11712T192449663807; 11434505; 9825828
ADRs Induced by Drug
ADR Term ADReCS ID ADR Frequency (FAERS) ADR Severity Grade (FAERS) ADR Severity Grade (CTCAE)
Abdominal discomfort07.01.06.001--Not Available
Abdominal distension07.01.04.001--
Abdominal pain07.01.05.002--
Abdominal pain upper07.01.05.003--
Abdominal tenderness07.01.05.0040.000049%Not Available
Abortion spontaneous18.01.04.001--Not Available
Acute myocardial infarction24.04.04.001; Available
Ageusia17.02.07.001; Available
Agranulocytosis01.02.03.001--Not Available
Alanine aminotransferase increased13.03.01.003--
Altered state of consciousness19.07.01.003; Available
Anaphylactic reaction24.06.03.006;
Anaphylactic shock24.06.02.004; Available
Angina pectoris24.04.04.002;
Angioedema23.04.01.001; Available
Aplasia pure red cell10.02.01.003; Available
Aplastic anaemia01.03.03.0020.000019%Not Available
Arrhythmia02.03.02.001--Not Available
Arteriosclerosis24.04.02.0010.000013%Not Available
Arteriosclerosis coronary artery24.04.04.012; Available
Arteriospasm coronary24.04.04.005; Available
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