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flomax vs Prazosin Hydrochloride, a side effect and effectiveness comparison for a male patient aged 68

This is personalized comparison of flomax vs Prazosin Hydrochloride for a male aged 68. The study is created by eHealthMe based on reports from FDA and social media.

What are the drugs

Flomax (latest outcomes from 21,453 users) has active ingredients of tamsulosin hydrochloride. It is often used in enlarged prostate.

Prazosin hydrochloride (latest outcomes from 387 users) has active ingredients of prazosin hydrochloride. It is often used in post-traumatic stress disorder.

On Oct, 30, 2014: 4,818 male patients aged 63 who take the same drugs are studied in flomax vs Prazosin Hydrochloride

Information of patient in study:

GenderAgeReason for the drug
Male63frequency of urination

Drugs to compare:

flomax tamsulosin hydrochloridenot specified
Prazosin Hydrochloride prazosin hydrochlorideAm Therap

eHealthMe real world results:

For males aged 63 (±5):

Most common side effects:

(click on each outcome to view in-depth analysis, incl. how people recovered)
flomaxPrazosin Hydrochloride (Am Therap)
Drug IneffectiveBlood Creatinine Increased
Fatigue (feeling of tiredness)Chest Pain
DizzinessHypotension (abnormally low blood pressure)
Dyspnoea (difficult or laboured respiration)Pyrexia (fever)
PainMyocardial Infarction (destruction of heart tissue resulting from obstruction of the blood supply to the heart muscle)
Asthenia (weakness)Condition Aggravated
Chest PainFall
Pyrexia (fever)Drug Ineffective
Hypotension (abnormally low blood pressure)Cerebrovascular Accident (sudden death of some brain cells due to lack of oxygen when the blood flow to the brain is impaired by blockage or rupture)

Most common side effects experienced by people in long term use:

(click on each outcome to view in-depth analysis, incl. how people recovered)
flomaxPrazosin Hydrochloride (Am Therap)
DizzinessCardiac Failure Congestive
Drug IneffectiveAnuria (failure of the kidneys to produce urine)
Atrial Fibrillation (fibrillation of the muscles of the atria of the heart)Dehydration (dryness resulting from the removal of water)
Gastroduodenitis (an inflammation of the mucous membrane of the stomach and duodenum)Orthostatic Hypotension (a medical condition consisting of a sudden decrease in blood pressure when a person stands up)
Labyrinthitis Nos (inflammation of the labyrinth or inner ear)Diabetic Nephropathy (diabetic kidney disease)
Blood Cholesterol IncreasedCardiac Arrest
Prostatic Specific Antigen IncreasedBack Pain
Hiatus Hernia (hernia resulting from the protrusion of part of the stomach through the diaphragm)Muscle Cramps Aggravated (painful sensations caused by muscle contraction)
VertigoNight Cramps (pain in night in legs)
Barrett's Oesophagus (barrett's oesophagus is a disorder in which the lining of the oesophagus (the tube that carries food from the throat to the stomach) is damaged by stomach acid and changed to a lining similar to that of the stomach)Myocardial Infarction (destruction of heart tissue resulting from obstruction of the blood supply to the heart muscle)

Drug effectiveness:

not at allsomewhatmoderatehighvery high
Prazosin Hydrochloride0.00%46.15%23.08%30.77%0.00%

How to use the study: print a copy of the study and bring it to your health teams to ensure drug risks and benefits are fully discussed and understood.

Next: study your drugs OR ask a question from Patients Like You

Side effects in real world:

On eHealthMe, Flomax (tamsulosin hydrochloride) is often used to treat enlarged prostate. Prazosin Hydrochloride (prazosin hydrochloride) is often used to treat post-traumatic stress disorder. Find out below the conditions the drugs are used for, how effective they are, and any alternative drugs that you can use to treat those same conditions.

What is the drug used for and how effective is it:

Other drugs that are used to treat the same conditions:

Recent related drug comparison:

NOTE: The study is based on active ingredients. Other drugs that have the same active ingredients are also considered.

WARNING: Please DO NOT STOP MEDICATIONS without first consulting a physician since doing so could be hazardous to your health.

DISCLAIMER: All material available on is for informational purposes only, and is not a substitute for medical advice, diagnosis, or treatment provided by a qualified healthcare provider. All information is observation-only, and has not been supported by scientific studies or clinical trials unless otherwise stated. Different individuals may respond to medication in different ways. Every effort has been made to ensure that all information is accurate, up-to-date, and complete, but no guarantee is made to that effect. The use of the eHealthMe site and its content is at your own risk.

You may report adverse side effects to the FDA at or 1-800-FDA-1088 (1-800-332-1088).

If you use this eHealthMe study on publication, please acknowledge it with a citation: study title, URL, accessed date.


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