Adverse Drug Reaction Classification System

Pharmaceutical Information
Drug Name Prazosin
Drug ID BADD_D01827
Description Prazosin, also known as _Minipress_, is a drug used to treat hypertension. Prazosin is marketed by _Pfizer_ and was initially approved by the FDA in 1988 [L5828]. It belongs to the class of drugs known as alpha-1 antagonists [FDA label], [A176630]. Recently, many studies have evaluated the benefits of this drug in controlling the symptoms of post-traumatic stress disorder (PTSD) and associated nightmares [A176618, A176621, A176624].
Indications and Usage This drug is indicated for the treatment of hypertension (high blood pressure). Prazosin can be given alone or given with other blood pressure-lowering drugs, including diuretics or beta-adrenergic blocking agents [FDA label]. Prazosin does not negatively impact lung function, and therefore may be used to manage hypertension in patients who are asthmatic or patients with chronic obstructive lung disease (COPD)[A176630].
Marketing Status approved
ATC Code C02CA01
DrugBank ID DB00457
KEGG ID D08411
MeSH ID D011224
PubChem ID 4893
TTD Drug ID D0WV3U
NDC Product Code Not Available
UNII XM03YJ541D
Synonyms Prazosin | Furazosin | Prazosin Hydrochloride | Hydrochloride, Prazosin | Prazosin HCL | HCL, Prazosin | Minipress | Pratsiol
Chemical Information
Molecular Formula C19H21N5O4
CAS Registry Number 19216-56-9
SMILES COC1=C(C=C2C(=C1)C(=NC(=N2)N3CCN(CC3)C(=O)C4=CC=CO4)N)OC
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)
Abdominal discomfort07.01.06.001--Not Available
Alopecia23.02.02.001--
Angina pectoris24.04.04.002; 02.02.02.002--
Arthralgia15.01.02.001--
Asthenia08.01.01.001--Not Available
Body temperature increased13.15.01.001--Not Available
Bradycardia02.03.02.002--Not Available
Cataract06.06.01.001--
Cholestasis09.01.01.0010.000225%Not Available
Constipation07.02.02.001--
Dermatitis23.03.04.002--Not Available
Diarrhoea07.02.01.001--
Discomfort08.01.08.003--Not Available
Dizziness17.02.05.003; 02.11.04.006; 24.06.02.0070.000833%
Drug hypersensitivity10.01.01.0010.001531%Not Available
Dry mouth07.06.01.002--
Dysphagia07.01.06.0030.002026%
Dyspnoea02.11.05.003; 22.02.01.004--
Epistaxis22.04.03.001; 24.07.01.005--
Eye pain06.08.03.002--
Fatigue08.01.01.0020.000338%
Feeling abnormal08.01.09.014--Not Available
Flushing24.03.01.002; 23.06.05.003; 08.01.03.025--
Gynaecomastia05.05.02.003; 21.05.04.003--
Hallucination19.10.04.003--
Headache17.14.01.001--
Hyperhidrosis23.02.03.004; 08.01.03.028--
Hypersensitivity10.01.03.003--
Hypotension24.06.03.0020.000338%
Incontinence20.02.02.004; 17.05.01.006; 07.01.06.011--Not Available
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