This is an index of side effect / adverse reaction reports (a.k.a. adverse event reports) related to Proscar (Finasteride) and submitted to the FDA during the sample period of about a year. The information is not vetted and should not be considered as verified clinical evidence.
Reports by Event Outcome
All Cases (184)
Death (8)
Life Threatening Events (12)
Disability (86)
Reports by Reaction Type
Anxiety (61),
Intentional Drug Misuse (53),
Depression (48),
Wrong Technique in Drug Usage Process (43),
Erectile Dysfunction (43),
Libido Decreased (40),
Sexual Dysfunction (38),
Fatigue (33),
Asthenia (33),
Back Pain (24),
Emotional Distress (21),
Semen Volume Decreased (21)
Below are a few examples of reports where side effects / adverse reactions may be related to Proscar (Finasteride). For a complete list or a specific selection of reports, please use the links above.
Possible Proscar side effects in
Reported by a consumer/non-health professional from United States on 2012-08-23
Patient:
Reactions: Breast Enlargement, Breast Tenderness, Breast Mass
Drug(s) suspected as cause:
Proscar
Other drugs received by patient: Hyzaar; Viagra; Trazodone HCL; Toprol-XL; Vytorin
Possible Proscar side effects in
Reported by a consumer/non-health professional from United States on 2012-08-23
Patient:
Reactions: Arthralgia
Drug(s) suspected as cause:
Proscar
Possible Proscar side effects in
Reported by a consumer/non-health professional from United States on 2012-08-23
Patient:
Reactions: Prostate Cancer, Sexual Dysfunction, Cognitive Disorder
Drug(s) suspected as cause:
Proscar
Possible Proscar side effects in
Reported by a lawyer from United States on 2012-08-23
Patient:
Reactions: Abdominal Pain, Genitourinary Tract Neoplasm, Wheezing, Intentional Drug Misuse, Nocturia, Erectile Dysfunction, Overdose, Phimosis, DRY Mouth, Anorgasmia, Depression, Back Pain, Dysphagia, Dyspnoea, Poor Dental Condition, Male Genital Examination Abnormal, Rhinitis, Androgen Deficiency, Emotional Distress, Anxiety, Prostatic Specific Antigen Increased, Prostatomegaly, Penis Disorder, Vertigo Positional, Inguinal Hernia
Adverse event resulted in: disablity
Drug(s) suspected as cause:
Propecia
Dosage: 5 mg, qd
Administration route: Oral
Indication: Alopecia
Start date: 2007-01-01
End date: 2010-11-01
Proscar
Dosage: 5 mg, qd
Administration route: Oral
Indication: Alopecia
Start date: 2007-01-01
End date: 2010-11-01
Proscar
Dosage: 5 mg, qd
Administration route: Oral
Start date: 2010-01-01
End date: 2010-11-01
Possible Proscar side effects in
Reported by a pharmacist from United States on 2012-08-22
Patient:
Reactions: Gynaecomastia
Drug(s) suspected as cause:
Proscar
Possible Proscar side effects in 40 year old male
Reported by a physician from Israel on 2012-08-22
Patient: 40 year old male
Reactions: Atrial Fibrillation, Hyperthyroidism
Drug(s) suspected as cause:
Multaq
Administration route: Oral
Indication: Atrial Fibrillation
Proscar
Possible Proscar side effects in 41 year old male
Reported by a physician from United States on 2012-08-17
Patient: 41 year old male, weighing 76.7 kg (168.6 pounds)
Reactions: NO Adverse Event
Adverse event resulted in: disablity
Drug(s) suspected as cause:
Proscar
Possible Proscar side effects in male
Reported by a consumer/non-health professional from United States on 2012-08-16
Patient: male, weighing 88.5 kg (194.6 pounds)
Reactions: Sexual Dysfunction, Nervous System Disorder, Ill-Defined Disorder
Adverse event resulted in: disablity
Drug(s) suspected as cause:
Proscar
Possible Proscar side effects in
Reported by a consumer/non-health professional from United States on 2012-08-14
Patient:
Reactions: Ejaculation Failure
Drug(s) suspected as cause:
Proscar
Possible Proscar side effects in male
Reported by a health professional (non-physician/pharmacist) from France on 2012-08-10
Patient: male
Reactions: Breast Cancer Male, Gynaecomastia
Drug(s) suspected as cause:
Avodart
Dosage: .5mg per day
Administration route: Oral
Indication: Benign Prostatic Hyperplasia
Start date: 2010-04-15
End date: 2011-10-15
Proscar
Dosage: 5mg per day
Administration route: Oral
Indication: Benign Prostatic Hyperplasia
Start date: 2007-06-01
End date: 2011-06-10
Other drugs received by patient: Tadenan; Glucosamine; Oxazepam; Chondrosulf; Mirtazapine; Zolpidem Tartrate
Possible Proscar side effects in 40 year old male
Reported by a physician from Israel on 2012-08-08
Patient: 40 year old male
Reactions: Atrial Fibrillation, Hyperthyroidism
Drug(s) suspected as cause:
Multaq
Administration route: Oral
Indication: Atrial Fibrillation
Proscar
Possible Proscar side effects in
Reported by a consumer/non-health professional from United States on 2012-08-07
Patient:
Reactions: Contusion, Alcohol Abuse, Upper-Airway Cough Syndrome, Fear, Headache, Intentional Drug Misuse, Erectile Dysfunction, Suicidal Ideation, Fatigue, Herpes Simplex, Premature Ejaculation, Blood Testosterone Decreased, Blood Cholesterol Increased, Enterocolitis, Gastrooesophageal Reflux Disease, Blood Alcohol Increased, Vomiting, Viral Infection, Functional Gastrointestinal Disorder, Partner Stress, Libido Decreased, Axillary Mass, Anxiety, Hyperlipidaemia, Burns Second Degree, Rhinitis Allergic, Panic Attack, Sleep Disorder, Diarrhoea, Sexual Dysfunction, Hypothyroidism, Hypertension
Drug(s) suspected as cause:
Propecia
Indication: Alopecia
Propecia
Dosage: 1 mg, unk
Administration route: Oral
Indication: Androgenetic Alopecia
Proscar
Dosage: 5 mg, unk
Administration route: Oral
Indication: Alopecia
Start date: 2005-09-01
Possible Proscar side effects in
Reported by a consumer/non-health professional from United States on 2012-08-06
Patient:
Reactions: Apathy, Ejaculation Failure, Erectile Dysfunction, Depressed Mood
Drug(s) suspected as cause:
Proscar
Possible Proscar side effects in
Reported by a consumer/non-health professional from United States on 2012-08-06
Patient:
Reactions: Back Pain, Vomiting, Dyspnoea, Nausea, Drug Hypersensitivity, Abasia, Constipation, Skin Irritation, Myalgia, Fatigue, Insomnia, Asthenia, Blood Glucose Increased
Adverse event resulted in: disablity
Drug(s) suspected as cause:
Coreg
Glucophage
Ibuprofen (Advil)
Lipitor
Lotrimin
Luvox
Metformin Hydrochloride
Metoprolol Tartrate
Motrin
Plavix
Proscar
Prozac
Reglan
Restasis
Toprol-XL
Tramadol Hydrochloride
Viagra
Xalatan
Zetia
Zocor
Other drugs received by patient: Allopurinol; Omega-3-Acid Ethyl Esters; Pilocarpine; Istalol; Clozapine; Bilberry; Oxycodone HCL; Aspirin; Potassium Chloride; Lumigan; Pravastatin Sodium; Furosemide; Vicodin; Losartan Potassium; Digoxin; Folic Acid; Theratears; Diazepam; Lantus
Possible Proscar side effects in
Reported by a health professional (non-physician/pharmacist) from United States on 2012-08-01
Patient:
Reactions: Back Pain, Dyspnoea, HIP Arthroplasty, Vomiting, Nausea, Abasia, Drug Hypersensitivity, Constipation, Skin Irritation, Myalgia, Fatigue, Sleep Disorder, Asthenia, Blood Glucose Increased
Adverse event resulted in: disablity
Drug(s) suspected as cause:
Alprazolam
Codeine
Coreg
Cyclosporine
Glucophage
Ibuprofen (Advil)
Dosage: 200 mg, prn
Lipitor
Lotrimin
Luvox
Metformin Hydrochloride
Dosage: 500 mg, unk
Metoprolol Tartrate
Dosage: 25 mg, bid
Motrin
Plavix
Proscar
Administration route: Oral
Prozac
Reglan
Toprol-XL
Tramadol Hydrochloride
Viagra
Xalatan
Zetia
Administration route: Oral
Zocor
Administration route: Oral
Other drugs received by patient: Folic Acid; Pilocarpine; Timolol Maleate; Lantus; Lumigan; Pravastatin Sodium; Thera Tears; Potassium Chloride - USP; Vicodin; Digoxin; Aspirin; Diazepam; Furosemide; Cozaar; Bilberry; Oxycodone HCL; Aspirin; Omega-3 Marine Triglycerides; Clozapine; Allopurinol
Possible Proscar side effects in
Reported by a health professional (non-physician/pharmacist) from United States on 2012-07-31
Patient:
Reactions: Back Pain, Chest Discomfort, Dyspnoea, Vomiting, Nausea, Abasia, Drug Hypersensitivity, Constipation, Myalgia, Arthropathy, Fatigue, Sleep Disorder, Asthenia, Blood Glucose Increased
Adverse event resulted in: disablity
Drug(s) suspected as cause:
Alprazolam
Coreg
Cyclosporine
Ibuprofen (Advil)
Lipitor
Lotrimin AF
Luvox
Metformin Hydrochloride
Plavix
Proscar
Prozac
Reglan
Toprol-XL
Tramadol Hydrochloride
Xalatan
Zetia
Administration route: Oral
Zocor
Administration route: Oral
Other drugs received by patient: Omega-3 Marine Triglycerides; Clozapine; Artificial Tears (Hypromellose); Diazepam; Pilocarpine; Lantus; Vicodin; Oxycodone HCL; Lumigan; Furosemide; Digoxin; Aspirin; Bilberry; Timolol Maleate; Allopurinol; Losartan Potassium; Pravastatin Sodium; Potassium Chloride; Folic Acid
Possible Proscar side effects in
Reported by a health professional (non-physician/pharmacist) from United States on 2012-07-31
Patient:
Reactions: Back Pain, Vomiting, Dyspnoea, HIP Arthroplasty, Nausea, Abasia, Drug Hypersensitivity, Constipation, Skin Irritation, Myalgia, Fatigue, Sleep Disorder, Asthenia, Blood Glucose Increased
Adverse event resulted in: disablity
Drug(s) suspected as cause:
Alprazolam
Codeine
Coreg
Cyclosporine
Glucophage
Ibuprofen (Advil)
Dosage: unk, prn
Lipitor
Lotrimin
Luvox
Metformin Hydrochloride
Metoprolol Tartrate
Dosage: unk, qd
Motrin
Motrin
Dosage: unk, prn
Plavix
Proscar
Administration route: Oral
Prozac
Reglan
Toprol-XL
Tramadol Hydrochloride
Viagra
Xalatan
Zetia
Administration route: Oral
Zocor
Administration route: Oral
Other drugs received by patient: Timolol Maleate; Thera Tears; Clozapine; Omega-3 Marine Triglycerides; Aspirin; Losartan Potassium; Allopurinol; Lantus; Potassium Chloride; Pravastatin Sodium; Digoxin; Diazepam; Bilberry; Lumigan; Folic Acid; Furosemide; Oxycodone HCL; Pilocarpine; Acetaminophen / Hydrocodone Bitartrate
Possible Proscar side effects in
Reported by a consumer/non-health professional from United States on 2012-07-31
Patient:
Reactions: Scrotal Pain
Drug(s) suspected as cause:
Proscar
Possible Proscar side effects in
Reported by a health professional (non-physician/pharmacist) from United States on 2012-07-31
Patient:
Reactions: Back Pain, Dyspnoea, Vomiting, Nausea, Abasia, Constipation, Skin Irritation, Myalgia, Fatigue, Sleep Disorder, Asthenia, Blood Glucose Increased
Adverse event resulted in: hospitalization, disablity
Drug(s) suspected as cause:
Alprazolam
Clozapine
Codeine
Coreg
Cyclosporine
Glucophage
Ibuprofen (Advil)
Lipitor
Lotrimin AF
Lumigan
Luvox
Metformin Hydrochloride
Dosage: 500 mg, unk
Metoprolol Tartrate
Dosage: 25 mg, bid
Administration route: Oral
Motrin
Oxycodone HCL
Plavix
Pravastatin Sodium
Proscar
Administration route: Oral
Prozac
Reglan
Toprol-XL
Tramadol Hydrochloride
Viagra
Vicodin
Xalatan
Dosage: 200 mg, prn
Zetia
Administration route: Oral
Zocor
Administration route: Oral
Other drugs received by patient: Losartan Potassium; Thera Tears; Folic Acid; Digoxin; Bilberry; Omega-3 Marine Triglycerides; Pilocarpine; Furosemide; Diazepam; Istalol; Lantus; Allopurinol; Potassium Chloride; Aspirin
Possible Proscar side effects in
Reported by a health professional (non-physician/pharmacist) from United States on 2012-07-30
Patient:
Reactions: Abdominal Pain, Pain in Extremity, Pain, Necrosis, Muscular Weakness, Drug Interaction, Tricuspid Valve Incompetence, Renal Failure Chronic, Haemodialysis, Myopathy, Paraesthesia, Ileus, Iron Deficiency Anaemia, Mitral Valve Incompetence, Abdominal Distension, Gait Disturbance, Erosive Duodenitis
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Amlodipine Besylate
Dosage: 10 mg, qd
Administration route: Oral
Doxazosin Mesylate
Dosage: 8 mg, qd
Administration route: Oral
Gemfibrozil
Dosage: 600 mg, unk
Administration route: Oral
Proscar
Dosage: 5 mg, qd
Administration route: Oral
Zocor
Dosage: 20 mg, qd
Administration route: Oral
Other drugs received by patient: Ferrous Sulfate TAB; Sodium Polystyrene Sulfonate; Hydralazine HCL; Metoprolol Tartrate; Aspirin; Lantus; Lactulose; Travoprost; Levothyroxine Sodium; Lisinopril; Ergocalciferol; Furosemide
Possible Proscar side effects in
Reported by a health professional (non-physician/pharmacist) from United States on 2012-07-30
Patient:
Reactions: Respiratory Rate Increased, Rhabdomyolysis, Blood Pressure Systolic Increased, Myopathy, Anxiety, Renal Impairment, Ileus, Iron Deficiency Anaemia, Gait Disturbance, Erosive Duodenitis, Tearfulness
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Amlodipine
Dosage: 10 mg, unk
Aspirin
Dosage: 81 mg, unk
Doxazosin Mesylate
Dosage: 8 mg, unk
Ergocalciferol
Dosage: 50000 unk, two times a day
Ferrous Sulfate TAB
Dosage: 325 mg, unk
Furosemide
Dosage: 40 mg, unk
Gemfibrozil
Dosage: 600 mg, bid
Hydralazine HCL
Dosage: 100 mg in divided doses
Lactulose
Dosage: 20 g, prn
Lantus
Dosage: 70 u, unk
Levothyroxine Sodium
Dosage: 88 microgram, unk
Meperidine Hydrochloride
Metoprolol Tartrate
Dosage: 200 mg, unk
Midazolam
Prinivil
Dosage: 20 mg, unk
Proscar
Dosage: 5 mg, unk
Administration route: Oral
Sodium Polystyrene Sulfonate
Dosage: 30 g, unk
Travoprost
Zocor
Dosage: 20 mg, qd, for 1.5 years
Administration route: Oral
Zocor
Dosage: 40mg, daily for 9 months
Possible Proscar side effects in
Reported by a consumer/non-health professional from United Kingdom on 2012-07-30
Patient:
Reactions: Pain in Extremity, Chest Pain, Disturbance in Attention, Asthenia, Loss of Libido
Adverse event resulted in: disablity
Drug(s) suspected as cause:
Proscar
Possible Proscar side effects in
Reported by a lawyer from United States on 2012-07-27
Patient:
Reactions: Wrong Technique in Drug Usage Process, Prostatitis, Penile Pain, Chest Wall Mass, Nocturia, Intentional Drug Misuse, Pelvic Pain, Erectile Dysfunction, Groin Pain, Suicidal Ideation, Colonic Polyp, Muscle Strain, Scrotal Pain, Palpitations, Anger, Depression, Mood Swings, Open Wound, Loss of Libido, Epistaxis, Ventricular Extrasystoles, Epididymal Cyst, Joint Dislocation, Lumbar Vertebral Fracture, Cognitive Disorder, Joint Injury, Antisocial Behaviour, Anxiety, Diverticulum, Genital Hypoaesthesia, Testicular Pain
Adverse event resulted in: disablity
Drug(s) suspected as cause:
Propecia
Dosage: 1 mg, unk
Administration route: Oral
Indication: Alopecia
Start date: 2004-11-01
End date: 2009-07-20
Proscar
Dosage: unk mg, unk
Administration route: Oral
Indication: Alopecia
Start date: 2004-11-01
End date: 2006-06-19
Proscar
Dosage: unk mg, unk
Administration route: Oral
Start date: 2006-09-23
End date: 2009-07-20
Possible Proscar side effects in male
Reported by a consumer/non-health professional from United States on 2012-07-23
Patient: male, weighing 73.5 kg (161.7 pounds)
Reactions: Peyronie's Disease, Libido Decreased, Sexual Dysfunction, Ejaculation Delayed
Adverse event resulted in: disablity
Drug(s) suspected as cause:
Proscar
Possible Proscar side effects in
Reported by a lawyer from United States on 2012-07-23
Patient:
Reactions: Abdominal Pain, Genitourinary Tract Neoplasm, Wheezing, Intentional Drug Misuse, Nocturia, Erectile Dysfunction, Phimosis, Overdose, DRY Mouth, Anorgasmia, Depression, Back Pain, Dyspnoea, Dysphagia, Poor Dental Condition, Male Genital Examination Abnormal, Rhinitis, Androgen Deficiency, Emotional Distress, Anxiety, Prostatic Specific Antigen Increased, Prostatomegaly, Penis Disorder, Vertigo Positional, Inguinal Hernia
Adverse event resulted in: disablity
Drug(s) suspected as cause:
Propecia
Dosage: 5 mg, qd
Administration route: Oral
Indication: Alopecia
Start date: 2007-01-01
End date: 2010-11-01
Proscar
Dosage: 5 mg, qd
Administration route: Oral
Start date: 2010-01-01
End date: 2010-11-01
Proscar
Dosage: 5 mg, qd
Administration route: Oral
Indication: Alopecia
Start date: 2007-01-01
End date: 2010-11-01
Possible Proscar side effects in
Reported by a consumer/non-health professional from Ireland on 2012-07-23
Patient:
Reactions: Off Label Use, Overdose, Pancreatitis Chronic, Type 1 Diabetes Mellitus
Drug(s) suspected as cause:
Proscar
Other drugs received by patient: Insulin
Possible Proscar side effects in
Reported by a consumer/non-health professional from China on 2012-07-18
Patient:
Reactions: Haemorrhage Intracranial, Dizziness
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Proscar
Other drugs received by patient: Terazosin HCL
Possible Proscar side effects in
Reported by a consumer/non-health professional from United States on 2012-07-16
Patient:
Reactions: Breast Enlargement
Drug(s) suspected as cause:
Proscar
Other drugs received by patient: Lipitor
Possible Proscar side effects in 70 year old male
Reported by a consumer/non-health professional from United States on 2012-07-06
Patient: 70 year old male, weighing 106.5 kg (234.3 pounds)
Reactions: Back Pain, HIP Arthroplasty, Vomiting, Dyspnoea, Nausea, Abasia, Constipation, Skin Irritation, Myalgia, Fatigue, Sleep Disorder, Asthenia, Blood Glucose Increased
Adverse event resulted in: hospitalization, disablity
Drug(s) suspected as cause:
Alprazolam
Indication: Product Used FOR Unknown Indication
Codeine Sulfate
Indication: Product Used FOR Unknown Indication
Coreg
Indication: Cardiac Disorder
Cyclosporine
Indication: Product Used FOR Unknown Indication
Glucophage
Indication: Product Used FOR Unknown Indication
Ibuprofen
Dosage: (200 mg , as required),
Indication: Back Pain
Start date: 2002-01-01
End date: 2011-01-01
Lipitor
Indication: Product Used FOR Unknown Indication
Lotrimin
Indication: Product Used FOR Unknown Indication
Luvox
Indication: Product Used FOR Unknown Indication
Metformin Hydrochloride
Dosage: (500 mg),
Indication: Diabetes Mellitus
Start date: 2010-10-18
Metoprolol Tartrate
Dosage: 50 mg (25 mg, 2 in 1 d),oral
Administration route: Oral
Indication: Hypertension
Start date: 2009-01-01
Motrin
Indication: Product Used FOR Unknown Indication
Plavix
Indication: Product Used FOR Unknown Indication
Proscar
Indication: Product Used FOR Unknown Indication
Prozac
Indication: Product Used FOR Unknown Indication
Reglan
Indication: Product Used FOR Unknown Indication
Toprol-XL
Indication: Product Used FOR Unknown Indication
Tramadol Hydrochloride
Indication: Product Used FOR Unknown Indication
Viagra
Indication: Product Used FOR Unknown Indication
Xalatan
Dosage: ophthalmic
Indication: Product Used FOR Unknown Indication
Zetia
Indication: Product Used FOR Unknown Indication
Zocor
Indication: Product Used FOR Unknown Indication
Other drugs received by patient: Losartan Potassium; Istalol(timolol Maleate); Vicodin; Aspirin; Oxycodone HCL; Diazepam; Fish Oil(fish Oil); Digoxin; Pilocarpine; Potassium Chloride; Thera Tears(carmellose); Allopurinol; Lantus; Bilberry(vaccinium Myrtillus); Clozapine; Pravastatin; Furosemide(furosemide); Folic Acid
Possible Proscar side effects in 30 year old male
Reported by a physician from United States on 2012-07-02
Patient: 30 year old male, weighing 82.0 kg (180.4 pounds)
Reactions: Weight Decreased, Systemic Candida, Prostatitis, Wrong Technique in Drug Usage Process, Urinary Incontinence, Eczema, Headache, Nocturia, Peripheral Sensory Neuropathy, Dihydrotestosterone Decreased, Coeliac Disease, Upper Respiratory Tract Infection, Irritable Bowel Syndrome, Blood Testosterone Decreased, Melanocytic Naevus, Back Pain, Cerumen Impaction, Androgen Deficiency, Libido Decreased, Nasal Congestion, Paraesthesia, Diverticulum, Gastrointestinal Disorder, Insomnia, Otitis Media, Disturbance in Attention, Penis Disorder, Penile Pain, Aphasia, Intentional Drug Misuse, Spermatozoa Progressive Motility Decreased, Norepinephrine Increased, Fatigue, Dyspnoea Exertional, Arterial Occlusive Disease, Viral Infection, Bruxism, Hormone Level Abnormal, Rash, Enzyme Abnormality, Dental Discomfort, Anxiety, Panic Attack, Semen Volume Decreased, Dysuria, Perineal Pain, Hypothyroidism, Sexual Dysfunction, Asthenia, Tooth Disorder, Herpes Virus Infection, Face Injury, Infection Parasitic
Adverse event resulted in: disablity
Drug(s) suspected as cause:
Finasteride
Administration route: Oral
Indication: Androgenetic Alopecia
Start date: 1999-01-01
Propecia
Administration route: Oral
Indication: Alopecia
Start date: 1999-01-01
Proscar
Administration route: Oral
End date: 2008-01-01
Proscar
Administration route: Oral
Indication: Alopecia
Start date: 2001-07-01
End date: 2003-10-01
Proscar
Administration route: Oral
Indication: Androgenetic Alopecia
Start date: 2001-07-01
End date: 2003-10-01
Proscar
Administration route: Oral
End date: 2008-01-01
Other drugs received by patient: Nizoral
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