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More information: STITCH, PubChem and possibly Wikipedia

ATC Code: C02CA01

Side effects

Options: Hide MedDRA Preferred Terms

MedDRA Preferred Term Side effect Data for drug Placebo Labels
1 2 3
Orthostatic hypotension Orthostatic hypotension 14% x x x
Somnolence Drowsiness 8% x x x
Headache Headache 8% x x x
Asthenia Asthenia 7% x x x
Fatigue 7% x x x
Fatigue Fatigue 7% x x x
Nausea Nausea 5% x x x
Palpitations Palpitations 5% x x x
Oedema Oedema 4% x x x
Nasal congestion Nasal congestion 4% x x x
Dry mouth Dry mouth 4% x x x
Vision blurred Vision blurred 4% x x x
Constipation Constipation 3% x x x
Vomiting Vomiting 3% x x x
Diarrhoea Diarrhoea 2% x x x
Dyspnoea Dyspnoea 2% x x x
Nervousness Nervousness 2% x x x
Tension Nervousness 2% x x x
Pruritus Pruritus 1% x x x
Dizziness Syncope 1% x x x
Dizziness x x x
Shock Syncope 1% x x x
Syncope Syncope 1% x x x
Loss of consciousness Syncope 1% x x x
Tachycardia Tachycardia 1% x x x
Alopecia Alopecia x x x
Angina pectoris Angina pectoris x x
Arthralgia Arthralgia x x x
Musculoskeletal discomfort Arthralgia x x x
Epistaxis Epistaxis x x x
Dermatitis Rash x x x
Rash Rash x x x
Body temperature increased Body temperature increased x x x
Flushing Flushing x x x
Gynaecomastia Gynaecomastia x x x
Hallucination Hallucination x x x
Hypersensitivity Hypersensitivity x x x
Incontinence Incontinence x x
Lichen planus Lichen planus x x x
Miosis Miosis x x x
Narcolepsy Narcolepsy x x x
Pain Pain x x x
Pancreatitis Pancreatitis x x x
Paraesthesia Paraesthesia x x
Priapism Priapism x x x
Retinal disorder Retinal disorder x x
Tinnitus Tinnitus x x x
Pollakiuria Pollakiuria x x x
Urinary incontinence Urinary incontinence x
Urticaria Urticaria x x x
Vasculitis Vasculitis x x x
Vertigo Vertigo x x x
Cataract Cataract x x
Antinuclear antibody positive Antinuclear antibody positive x x x
Eye pain Eye pain x x x
Malaise Malaise x x x
Discomfort Malaise x x x
Feeling abnormal Malaise x x x
Ill-defined disorder Malaise x x x
Abdominal discomfort Abdominal discomfort x x x
Erectile dysfunction Erectile dysfunction x x x
Bradycardia Bradycardia x x x
Hyperhidrosis Sweating increased x x x
Insomnia Insomnia x x x
Floppy iris syndrome Intraoperative floppy iris syndrome x x x


Information about indications was extracted from the indications and usage sections of the labels.

Prazosin hydrochloride / PRAZOSIN TABLET

Side effects:51


Side effects:53
Source:FDA Structured Product Label


Side effects:54
Source:FDA Structured Product Label

Color scheme:


    frequent (1% to 100%)
    infrequent (0.1% to 1%)
    rare (<0.1%)
    no frequency information
    not found on label