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)
Respiratory tract oedema22.02.07.0130.000015%Not Available
Noninfectious peritonitis07.07.01.0050.000020%Not Available
Drug-induced liver injury12.03.01.044; 09.01.07.0230.000073%Not Available
Drug reaction with eosinophilia and systemic symptoms12.03.01.064; 23.03.05.005; 10.01.01.0210.000040%Not Available
Mouth swelling23.04.01.020; 10.01.05.020; 07.05.04.0070.000037%Not Available
Intestinal angioedema23.04.01.019; 10.01.05.019; 07.08.03.0120.000045%Not Available
Anal incontinence17.05.01.021; 07.01.06.0290.000044%
Abnormal loss of weight14.03.02.0190.000020%Not Available
Alcohol interaction08.06.03.0030.000025%Not Available
Cerebellar haemorrhage24.07.04.023; 17.08.01.0460.000010%Not Available
Chronic gastritis11.07.01.016; 10.04.04.011; 07.08.02.0050.000030%Not Available
Coeliac disease14.02.01.007; 10.04.04.012; 07.17.01.0080.000092%Not Available
Concomitant disease aggravated08.01.03.0630.000015%Not Available
Renal atrophy20.01.06.0010.000010%Not Available
Symptom masked08.01.03.0780.000050%Not Available
Atrial thrombosis02.11.01.002; 24.01.05.0050.000010%Not Available
Intestinal villi atrophy07.11.03.0100.000015%Not Available
Renal impairment neonatal20.01.03.025; 18.04.01.0200.000020%Not Available
Allergic cough22.02.03.011; 10.01.03.0400.000034%Not Available
Delayed fontanelle closure15.10.05.0030.000015%Not Available
Palatal oedema07.05.04.0080.000025%Not Available
Cell death08.03.03.003; 14.11.02.0050.000010%Not Available
Subacute cutaneous lupus erythematosus23.03.02.020; 15.06.02.012; 10.04.03.0120.000020%Not Available
Hypertensive emergency24.08.01.0040.000010%Not Available
Allergy to arthropod sting10.01.03.0410.000015%Not Available
Bladder mass20.03.01.0180.000010%Not Available
Cranial sutures widening18.04.01.015; 15.10.05.0020.000059%Not Available
Cerebrosclerosis17.11.01.0150.000015%Not Available
Asthmatic crisis22.03.01.0180.000015%Not Available
Spinal pain08.01.08.030; 17.10.01.020; 15.02.01.0080.000015%Not Available
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ADReCS-Target
Drug Name ADR Term Target
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