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Review: taking Lisinopril and Flomax together

Summary: drug interactions are reported among people who take Lisinopril and Flomax together.

This review analyzes the effectiveness and drug interactions between Lisinopril and Flomax. It is created by eHealthMe based on reports of 2,174 people who take the same drugs from FDA and social media, and is updated regularly.





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What are the drugs

Lisinopril has active ingredients of lisinopril. It is often used in high blood pressure. (latest outcomes from 99,202 Lisinopril users)

Flomax has active ingredients of tamsulosin hydrochloride. It is often used in enlarged prostate. (latest outcomes from 21,464 Flomax users)

On Dec, 29, 2014: 2,174 people who take Lisinopril, Flomax are studied

Lisinopril, Flomax outcomes

Drug combinations in study:
- Lisinopril (lisinopril)
- Flomax (tamsulosin hydrochloride)

Drug effectiveness over time :

< 1 month1 - 6 months6 - 12 months1 - 2 years2 - 5 years5 - 10 years10+ yearsnot specified
Lisinopril is effective50.00%
(2 of 4 people)
(2 of 9 people)
(0 of 2 people)
(5 of 8 people)
(17 of 27 people)
(8 of 19 people)
(5 of 6 people)
(0 of 1 people)
Flomax is effective16.67%
(1 of 6 people)
(2 of 11 people)
(2 of 12 people)
(6 of 10 people)
(9 of 19 people)
(5 of 11 people)
(1 of 1 people)
(0 of 1 people)

Most common drug interactions over time * :

< 1 month1 - 6 months6 - 12 months1 - 2 years2 - 5 years5 - 10 years10+ yearsnot specified
DizzinessDrug IneffectiveClavicle FractureColon CancerMyocardial InfarctionHypoaesthesiaHeadacheDizziness
DyspnoeaDizzinessIridoceleAbdominal PainCoronary Artery DiseaseDepressionHaematomaDyspnoea
Joint SwellingRenal Failure ChronicTumour Lysis SyndromeSweating - ExcessiveHypertensionColon CancerInternational Normalised Ratio IncreasedPain
DiarrhoeaUrinary IncontinenceProcedural ComplicationPainAngina UnstableMyocardial InfarctionChromatopsiaAsthenia
Orthostatic HypotensionNocturiaBradycardiaDizzinessMusculoskeletal DiscomfortOverdoseTremorFatigue
Renal Failure AcuteInsomniaFatigueInjuryCoronary Artery RestenosisCoronary Artery DiseaseProstate CancerFall
FatigueFatigueIris DisorderNon-cardiac Chest PainSick Sinus SyndromeMemory ImpairmentProthrombin Time ShortenedCardiac Failure Congestive
Blood Urine PresentDehydrationDizzinessAnhedoniaHypotensionPain In ExtremityBone And Joint PainPneumonia
Vision BlurredAnxietyMiosisGastritisIschaemic CardiomyopathyLigament SprainDizzinessDiarrhoea
Liver Function Test AbnormalDeathAutonomic Nervous System ImbalanceAnxietyMitral Valve IncompetenceJoint SprainErectile DysfunctionNausea

Drug effectiveness by gender :

Lisinopril is effective50.00%
(1 of 2 people)
(38 of 74 people)
Flomax is effective0.00%
(0 of 2 people)
(26 of 69 people)

Most common drug interactions by gender * :

FatigueCardiac Failure Congestive
DiarrhoeaChest Pain

Drug effectiveness by age :

Lisinopril is effectiven/an/an/an/an/a25.00%
(1 of 4 people)
(10 of 36 people)
(28 of 71 people)
Flomax is effectiven/an/an/an/an/a0.00%
(0 of 3 people)
(8 of 36 people)
(18 of 67 people)

Most common drug interactions by age * :

Subarachnoid HaemorrhageAbasiaBack PainDrug IneffectiveCardiac Failure Congestive
Polyarteritis NodosaAnxietySpinal OsteoarthritisPainDyspnoea
Herpes ZosterOedema PeripheralDyspnoeaDyspnoeaAsthenia
Renal InfarctSarcoidosisRib FractureFatigueAtrial Fibrillation
Upper Respiratory Tract InflammationGeneral Physical Health DeteriorationAnxietyNauseaHypotension
ParonychiaSkin TightnessFatigueAnxietyPain
Cerebral InfarctionNephrogenic Systemic FibrosisAstheniaAstheniaFatigue
Mobility DecreasedConstipationInsomniaMyocardial Infarction
PainOsteonecrosis Of JawMyocardial InfarctionFall

* Some reports may have incomplete information.

Comments for this study:

BillT. (2 years ago):

Male, 62, Sacramento, CA
I have been taking simivistatin for 7 years. I recently started taking generic FlowMax and it worked fine. My blood pressure at my last physical was 150/95 so I tracked it for a week and it seemed to stay the same, morning and night. My Dr. recommended that I take lisinopril (10 mg) once a day and when I did, after about 6 hours, I could not urinate for about 8 hours and when I did I experienced excrutiating pain. I had a swollen bladder for another 6 to 8 hours before the effects totally went away. I haven't taken another Lisinopril pill since then and have had now further problems. I do notice that my blood pressure is normal when I go to bed at night, but high when I get up. I assume that the FlowMax may be helping with the blood pressure for a few hours at least.
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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.

Do you take Lisinopril and Flomax?

You are not alone! Join a related mobile support group:
- support group for people who take Lisinopril and Flomax
- support group for people who take Flomax
- support group for people who take Lisinopril

Can you answer these questions (Ask a question):

More questions for: Flomax, Lisinopril

You may be interested at these reviews (Write a review):

  • Lisinopril caused peripheral neuropathy
    I began taking 10mg of Lisinopril recently and within a month began having moderate peripheral neuropathy. The neuropathy was shooting or stabbing sharp pains in hands and feet, burning calves, pins and needles in and around the eyes and ears, and burning eyes. This was so pronounced that I requested the doctor to switch me to Losartan immediately. The peripheral neuropathy quickly subsided and is gone ! My doctor had never heard of the Lisinopril causing this but now she knows. So people - you need to be your own advocate when you know something isn't right.
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    I been taking Veltrex for a viral infection in my eye for 3 days and today my blood sugar was 448.My normal blood sugar runs around 146.
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    My doctor added lisinopril to my regimen for high blood pressure and within 2 days I had chronic hiccups for 3 days. I stopped taking the lisinopril and the next day the hiccups stopped.
  • Avoid lisinopril or any ace inhibitor
    This was the only drug I was taking other than low-dose aspirin 3x/week.
    Within 2 days I began coughing, as though something was deep in my lungs; became long severe coughing fits than threw out my back, sore all over. Then began runny nose, exhaustion, occasional mild chest pain. Not connecting the dots, after a month of this I returned to my dr., who prescribed an antibiotic and inhaler, saying I had asthma! After a week starting feeling worse, sore throat and sore lungs from coughing, in bed from exhaustion.
    After reading on-line about identical symptoms from LISINOPRIL, I immediately stopped it; now, 2 weeks later I am beginning to feel better -- cough much better. I am hoping I will be one of the lucky ones who does not have the cough continue. By the way, this drug reduced my bp from 140/100 to 110/80 BUT I'd rather have high bp than take this poison.
    Now I learn than many deaths have resulted from use of Lisinopril. Had this drug caused my death, no one would know my story as I have no relatives to tell it; am assuming many unreported have died and of course are not able to go on-line and tell their story post-death!
    All I can do is ask WHY is this drug allowed to be sold -- even stranger, in my case the drugstore is giving this poison away at no charge -- a first; but WHY?
  • Experience with morphine and xanax
    I take MS contin for back pain, and xanax for anxiety. I was in the heart unit, and they decided to give me my morphine through the central line because I was having a lot of pain. The nurse pushed it in really slow, and afterword they asked me if I wanted my xanax, and I took it as well. 1 mg. I don't know how much morphine they gave me, but i began to hallucinate. I thought was dying..I remember trying to talk but the words wouldn't come out. I thought the nurse was asking me if I believed in Christ, and I said yes I love the Lord. At some point I was sure I had died, but I was calm and peaceful..there were several nurses in the room and I thought omg.. they've been keeping the secret of what happens when you die. I told them I was leaving because I wanted to go out in the hall, I was sure my deceased mother was out there looking for me, so I tried to remove my IV to get out of bed. They stopped me and I remember the nurse saying no its not your time. And I woke up the next morning.

More reviews for: Flomax, Lisinopril

Comments from related studies:

  • From this study (1 month ago):

  • GI symptoms began as constipation when first starting Chantix, then flatulence became progressively more prononuced and diarrhea began approximately 3 weeks after starting Chantix which progressed to totally liquid, frequent stools with abdominal cramping. Medical testing for pathogens associated with diarrhea was negative one week ago. I stopped Chantix appromixately 2 weeks ago, and symptoms are less urgent and distressing, but flatulance continues and stools remain liquid.


  • From this study (1 year ago):

  • patient is mentally seizure since teenager.was on antidepressant which caused severe mania. off antidepressant for 2 months. very confused about time.worse at night. always knows where he is.mania subsiding. gets out of bed in middle of night and leaves home to take a walk or do some chore outside. rapidly. has been exhibiting symptoms of bi polar in past 2 years.once focused on something cant forget.jumps from one subject to another.when told he is wrong understands


  • From this study (2 years ago):

  • stroke victim 1979(severe) and 2013 (mild)


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Complete drug side effects:

On eHealthMe, Lisinopril (lisinopril) is often used to treat high blood pressure. Flomax (tamsulosin hydrochloride) is often used to treat enlarged prostate. 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:

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).

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