Adverse Drug Reaction Classification System

Pharmaceutical Information
Drug Name Hydralazine
Drug ID BADD_D01081
Description Originally developed in the 1950s as a malaria treatment, hydralazine showed antihypertensive ability and was soon repurposed.[A186841] Hydralazine is a hydrazine derivative vasodilator used alone or as adjunct therapy in the treatment of hypertension and only as adjunct therapy in the treatment of heart failure.[A186820,L8782,L8785] Hydralazine is no longer a first line therapy for these indications since the development of newer antihypertensive medications.[T691] Hydralazine hydrochloride was FDA approved on 15 January 1953.[L8779]
Indications and Usage For the treatment of essential hypertension, alone or as an adjunct. Also for the management of severe hypertension when the drug cannot be given orally or when blood pressure must be lowered immediately, congestive heart failure (in combination with cardiac glycosides and diuretics and/or with isosorbide dinitrate), and hypertension secondary to pre-eclampsia/eclampsia.
Marketing Status Prescription; Discontinued
ATC Code C02DB02
DrugBank ID DB01275
KEGG ID D08044
MeSH ID D006830
PubChem ID 3637
TTD Drug ID D0K1XK
NDC Product Code Not Available
Synonyms Hydralazine | Hydrallazin | Hydrazinophthalazine | Apressin | Nepresol | Hydralazine mono-Hydrochloride | Hydralazine mono Hydrochloride | mono-Hydrochloride, Hydralazine | Apressoline | Apresoline | Hydralazine Hydrochloride | Hydrochloride, Hydralazine
Chemical Information
Molecular Formula C8H8N4
CAS Registry Number 86-54-4
SMILES C1=CC=C2C(=C1)C=NN=C2NN
Chemical Structure
ADR Related Proteins Induced by Drug
ADR Term Protein Name UniProt AC TTD Target ID PMID
Not AvailableNot AvailableNot AvailableNot AvailableNot Available
ADRs Induced by Drug
ADR Term ADReCS ID ADR Frequency (FAERS) ADR Severity Grade (FAERS) ADR Severity Grade (CTCAE)
Autoimmune disorder10.04.04.0030.000497%
Disease progression08.01.03.038--
Obstructive airways disorder22.03.01.0110.000331%Not Available
Psychotic disorder19.03.01.002--
Renal impairment20.01.03.010--Not Available
Hypophagia19.09.01.004; 07.01.06.010; 14.03.01.0060.000331%Not Available
Chronic kidney disease20.01.03.0170.000331%
Low birth weight baby18.04.02.0030.000663%Not Available
Acute kidney injury20.01.03.0160.005301%
Foetal growth restriction18.03.01.0020.000331%
Noninfectious peritonitis07.07.01.0050.000331%Not Available
Drug-induced liver injury12.03.01.044; 09.01.07.0230.002982%Not Available
Gastric mucosal hypertrophy07.11.03.0060.000331%Not Available
Lupus nephritis20.05.02.003; 15.06.02.011; 10.04.03.0110.002153%Not Available
Melanosis coli07.11.03.0110.000497%Not Available
Antiphospholipid antibodies positive13.06.01.0160.000497%Not Available
Anti-neutrophil cytoplasmic antibody positive vasculitis24.05.02.016; 10.02.02.0230.017393%Not Available
Gastrointestinal tract mucosal pigmentation07.11.03.0090.001160%Not Available
Microscopic polyangiitis24.05.02.021; 20.05.01.017; 10.02.02.0250.000663%Not Available
Pulmonary renal syndrome22.01.01.022; 20.05.01.019; 10.04.04.0170.002816%Not Available
End stage renal disease20.01.03.0190.000497%Not Available
C3 glomerulopathy20.05.01.015; 10.02.01.0540.000497%Not Available
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