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 Losartan is indicated to treat hypertension in patients older than 6 years, reduce the risk of stroke in patients with hypertension and left ventricular hypertrophy (though this benefit may not extend to patients with African heritage), and to treat diabetic nephropathy with elevated serum creatinine and proteinuria in patients with type 2 diabetes and hypertension.[L7423] Losartan with hydrochlorothiazide is indicated to treat hypertension and to reduce the risk of stroke in patients with hypertension and left ventricular hypertrophy (though this benefit may not extend to patients with African heritage).[L7426]
Marketing Status approved
ATC Code C09CA01
DrugBank ID DB00678
KEGG ID D08146
MeSH ID D019808
PubChem ID 3961
TTD Drug ID D0DD0K
NDC Product Code 70010-741; 62207-742; 70010-742; 70010-743
UNII JMS50MPO89
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
SMILES CCCCC1=NC(=C(N1CC2=CC=C(C=C2)C3=CC=CC=C3C4=NNN=N4)CO)Cl
Chemical Structure
ADRs Induced by Drug
*The priority for ADR severity classification is based on FAERS assessment, followed by the most severe level in CTCAE rating. If neither is available, it will be displayed as 'Not available'.
**The 'Not Available' level is hidden by default and can be restored by clicking on the legend twice..
ADR Term ADReCS ID ADR Frequency (FAERS) ADR Severity Grade (FAERS) ADR Severity Grade (CTCAE)
Pancreatitis acute07.18.01.0020.000139%Not Available
Panic attack19.06.04.0010.000027%Not Available
Panic disorder19.06.04.002--Not Available
Paraesthesia23.03.03.094; 17.02.06.005--
Paralysis17.01.04.0040.000015%Not Available
Parkinsonism17.01.05.0030.000015%Not Available
Pemphigoid23.03.01.004; 10.04.02.0020.000015%Not Available
Pemphigus23.03.01.005; 10.04.02.0030.000010%Not Available
Peripheral coldness24.04.03.006; 08.01.09.010; 23.06.04.0080.000057%Not Available
Petechiae24.07.06.004; 23.06.01.003; 01.01.03.0020.000055%Not Available
Pharyngeal oedema22.04.05.003; 23.04.01.016; 10.01.05.0160.000075%Not Available
Pharyngitis11.01.13.003; 07.05.07.004; 22.07.03.004--
Phlebitis24.12.03.004; 12.02.01.0020.000010%
Photosensitivity reaction23.03.09.0030.000057%
Platelet disorder01.08.03.0010.000015%Not Available
Pleural effusion22.05.02.0020.000045%
Pneumonia22.07.01.003; 11.01.09.003--Not Available
Pollakiuria20.02.02.0070.000032%
Polyneuropathy17.09.03.0120.000030%Not Available
Polyuria20.02.03.0020.000022%Not Available
Premature baby18.04.02.0010.000064%Not Available
Premature delivery18.07.01.0060.000055%
Presyncope02.11.04.013; 24.06.02.010; 17.02.05.0090.000076%
Prinzmetal angina24.04.04.015; 02.02.02.0190.000010%Not Available
Prostatic disorder21.04.01.0010.000010%Not Available
Proteinuria20.02.01.0110.000015%
Pruritus23.03.12.0010.000519%
Pulmonary fibrosis22.01.02.0060.000010%
Pulmonary haemorrhage22.12.01.009; 24.07.01.0160.000010%
Pulmonary oedema22.01.03.003; 02.05.02.003--
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ADReCS-Target
Drug Name ADR Term Target
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