Review: taking Coumadin and Flomax together


Summary

Drug interactions are reported among people who take Coumadin and Flomax together. This review analyzes the effectiveness and drug interactions between Coumadin and Flomax. It is created by eHealthMe based on reports of 4,377 people who take the same drugs from FDA and social media, and is updated regularly.

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Coumadin

Coumadin has active ingredients of warfarin sodium. It is often used in atrial fibrillation/flutter. (latest outcomes from Coumadin 101,805 users)

Flomax

Flomax has active ingredients of tamsulosin hydrochloride. It is often used in enlarged prostate. (latest outcomes from Flomax 28,819 users)

On Sep, 21, 2016

4,377 people who take Coumadin, Flomax are studied.


Number of reports submitted per year:

Coumadin and Flomax drug interactions.

Drug effectiveness over time:

Coumadin:
  • < 1 month: 0.0% - (0 of 0 people)
  • 1 - 6 months: 44.0% - (4 of 9 people)
  • 6 - 12 months: 100.0% - (4 of 4 people)
  • 1 - 2 years: 50.0% - (5 of 10 people)
  • 2 - 5 years: 68.0% - (11 of 16 people)
  • 5 - 10 years: 90.0% - (9 of 10 people)
  • 10+ years: 80.0% - (8 of 10 people)
  • not specified: 100.0% - (1 of 1 people)
Flomax:
  • < 1 month: 0.0% - (0 of 2 people)
  • 1 - 6 months: 45.0% - (5 of 11 people)
  • 6 - 12 months: 22.0% - (2 of 9 people)
  • 1 - 2 years: 28.0% - (2 of 7 people)
  • 2 - 5 years: 38.0% - (5 of 13 people)
  • 5 - 10 years: 35.0% - (5 of 14 people)
  • 10+ years: 75.0% - (3 of 4 people)
  • not specified: 100.0% - (2 of 2 people)

Drug effectiveness by gender:

Coumadin:
  • female: 100.0% - (1 of 1 people)
  • male: 69.0% - (41 of 59 people)
Flomax:
  • female: 100.0% - (1 of 1 people)
  • male: 37.0% - (23 of 61 people)

Drug effectiveness by age:

Coumadin:
  • 0-1: 0.0% - (0 of 0 people)
  • 2-9: 0.0% - (0 of 0 people)
  • 10-19: 0.0% - (0 of 0 people)
  • 20-29: 0.0% - (0 of 0 people)
  • 30-39: 0.0% - (0 of 0 people)
  • 40-49: 100.0% - (2 of 2 people)
  • 50-59: 77.0% - (7 of 9 people)
  • 60+: 67.0% - (33 of 49 people)
Flomax:
  • 0-1: 0.0% - (0 of 0 people)
  • 2-9: 0.0% - (0 of 0 people)
  • 10-19: 0.0% - (0 of 0 people)
  • 20-29: 0.0% - (0 of 0 people)
  • 30-39: 0.0% - (0 of 0 people)
  • 40-49: 100.0% - (2 of 2 people)
  • 50-59: 37.0% - (3 of 8 people)
  • 60+: 36.0% - (19 of 52 people)

Most common drug interactions over time *:

< 1 month:
  • international normalised ratio increased
  • anaemia
  • platelet count decreased
  • nausea
  • thrombocytopenia
  • dizziness
  • hyperkalaemia
  • pneumonia
  • pyrexia
  • vision blurred
1 - 6 months:
  • renal failure acute
  • renal failure
  • syncope
  • platelet count decreased
  • renal impairment
  • anxiety
  • disseminated intravascular coagulation
  • dizziness
  • injury
  • anaemia
6 - 12 months:
  • anhedonia
  • anxiety
  • emotional distress
  • fear
  • injury
  • pain
  • renal failure
  • renal impairment
  • renal injury
  • stress
1 - 2 years:
  • nausea
  • atrial fibrillation
  • mallory-weiss syndrome
  • rash
  • malaise
  • gastrointestinal haemorrhage
  • high platelet count
  • anaemia
  • decreased appetite
  • drug toxicity
2 - 5 years:
  • confusional state
  • anaemia
  • subdural haematoma
  • decreased appetite
  • nausea
  • speech disorder
  • dyspnoea
  • haematuria
  • prostatic obstruction
  • pruritus
5 - 10 years:
  • anaemia
  • asthenia
  • dizziness
  • high platelet count
  • prostate cancer
  • prostatic specific antigen increased
  • abdominal wall haematoma
  • cerebrovascular accident
  • decreased appetite
  • fall
10+ years:
  • chest pain
  • pneumonia
  • pulmonary haemorrhage
  • pulmonary alveolar haemorrhage
  • bacterial arthritis
  • cardiac failure
  • cardiac failure acute
  • benign prostatic hyperplasia
  • fall
  • haematoma
not specified:
  • atrial fibrillation
  • fatigue
  • dyspnoea
  • pain
  • pneumonia
  • asthenia
  • dizziness
  • cardiac failure congestive
  • fall
  • oedema peripheral

Most common drug interactions by gender *:

female:
  • pain
  • pneumonia
  • fall
  • anaemia
  • cardiac failure congestive
  • urinary tract infection
  • fatigue
  • hypoaesthesia
  • dyspnoea
  • gastrooesophageal reflux disease
male:
  • atrial fibrillation
  • fatigue
  • dyspnoea
  • pain
  • asthenia
  • dizziness
  • pneumonia
  • cardiac failure congestive
  • oedema peripheral
  • fall

Most common drug interactions by age *:

2-9:
  • convulsion
  • haemorrhage
  • haemorrhage subcutaneous
  • myelodysplastic syndrome
  • petechiae
  • purpura
  • rash macular
10-19:
  • abdominal pain lower
  • confusion
  • epistaxis
  • international normalised ratio increased
  • melaena
20-29:
  • abnormal dreams
  • bacterial sepsis
  • decreased immune responsiveness
  • depression
  • fall
  • fatigue
  • hallucination
  • hypoaesthesia
  • impacted fracture
  • muscle atrophy
30-39:
  • urinary tract infection
  • multiple sclerosis relapse
  • abasia
  • anxiety
  • emotional distress
  • fibrosis
  • gastrointestinal haemorrhage
  • general physical health deterioration
  • injury
  • mobility decreased
40-49:
  • pyrexia
  • dyspnoea
  • renal failure acute
  • cardiac disorder
  • haematuria
  • disseminated intravascular coagulation
  • osteoporosis
  • pain
  • neuropathy peripheral
  • platelet count decreased
50-59:
  • dyspnoea
  • pain
  • anxiety
  • pyrexia
  • diarrhoea
  • hypotension
  • oedema peripheral
  • back pain
  • headache
  • osteomyelitis
60+:
  • atrial fibrillation
  • fatigue
  • dyspnoea
  • asthenia
  • cardiac failure congestive
  • dizziness
  • international normalised ratio increased
  • pain
  • pneumonia
  • anaemia

* Approximation only. Some reports may have incomplete information.

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.

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On eHealthMe, Coumadin (warfarin sodium) is often used to treat atrial fibrillation/flutter. Flomax (tamsulosin hydrochloride) is often used to treat enlarged prostate. Find out below the conditions the drugs are used for and how effective they are.

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


NOTE: The study is based on active ingredients and brand name. Other drugs that have the same active ingredients (e.g. generic drugs) are NOT considered.

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