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More information: STITCH, PubChem (stereo-specific compound: 1) and possibly Wikipedia

ATC Code: G04CA04

Side effects

Options: Hide MedDRA Preferred Terms

MedDRA Preferred Term Side effect Data for drug Placebo Labels
1 2 3 4
Dizziness Dizziness 3.22% 1.09% x x x x
Syncope x x x x
Retrograde ejaculation Retrograde ejaculation 2.8% - 28.1% 0.875% x x x x
Diarrhoea Diarrhoea 2.58% 1.31% x x x x
Orthostatic hypotension Orthostatic hypotension 2.58% 1.53% x x x x
Headache Headache 2.36% 0.875% x x x
Nasopharyngitis Nasopharyngitis 2.36% 2.19% x x x
Rhinorrhoea x x x
Nasal congestion Nasal congestion 2.15% 0.219% x x x x
Dermatitis Rash postmarketing x x
Rash Rash postmarketing x x
Immune system disorder Immune system disorder postmarketing x x
Jaundice Jaundice postmarketing x x x
Pruritus Pruritus postmarketing x x
Purpura Purpura postmarketing x x x
Vascular purpura Purpura postmarketing x x x
Urticaria Urticaria postmarketing x x
Hepatic function abnormal Hepatic function abnormal postmarketing x x x
Skin disorder Unspecified disorder of skin and subcutaneous tissue postmarketing x x x x
Pharyngeal oedema Pharyngeal oedema postmarketing x x
Swollen tongue Swollen tongue postmarketing x x
Hepatobiliary disease Hepatobiliary disease postmarketing x x x x
Toxic skin eruption Toxic skin eruption postmarketing x x x
Abdominal pain Abdominal pain x x x
Gastrointestinal pain Abdominal pain x x x
Asthenia Asthenia x x x
Mental disorder Mental disorder x
Breast disorder Breast disorder x
Libido decreased Libido decreased x
Disturbance in sexual arousal Libido decreased x
Drug eruption Drug eruption x
Gastrointestinal disorder Gastrointestinal disorder x
Cardiac disorder Cardiac disorder x
Hypotension Hypotension x
Mediastinal disorder Mediastinal disorder x
Nausea Nausea x
Nervous system disorder Nervous system disorder x
Palpitations Palpitations x
Priapism Priapism x x x
Sinusitis Sinusitis x x x
Shock Syncope x x x x
Syncope Syncope x x x x
Loss of consciousness Syncope x x x x
Loss of consciousness x
Tachycardia Tachycardia x
Angiopathy Angiopathy x
Dry mouth Dry mouth x
Swelling face Swelling face x
Liver function test abnormal Liver function test abnormal x
Prostatic specific antigen increased Prostatic specific antigen increased x x x
Erectile dysfunction Erectile dysfunction x
Ejaculation failure Ejaculation failure x
Insomnia Insomnia x x x
Procedural complication Procedural complication x
Rhinorrhoea Rhinorrhoea x x x
Floppy iris syndrome Intraoperative floppy iris syndrome x x x x


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


Side effects:22
Source:FDA Structured Product Label


Side effects:22


Side effects:28
Source:FDA Structured Product Label

silodosin / silodosin

Side effects:35

Color scheme:


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