A study for a 75 year old woman who takes Coumadin, Synthroid - from FDA reports


3,686 females aged 75 (±5) who take the same drugs are studied. This is a personalized study for a 75 year old female patient who has A-Fib, Thyroid. The study is created by eHealthMe based on reports from FDA.



On Apr, 26, 2018

3,686 females aged 75 (±5) who take Coumadin, Synthroid are studied.


Number of reports submitted per year:

Coumadin, Synthroid for a 75-year old woman.

Information of the patient in this study:

  • Age: 75
  • Gender: female
  • Conditions: A-Fib, Thyroid
  • Drugs taken:
    • Coumadin (warfarin sodium)
    • Synthroid (levothyroxine sodium)

eHealthMe real world results:

Most common drug interactions over time

< 1 month:
  1. International normalised ratio increased
  2. Nausea (feeling of having an urge to vomit)
  3. Rectal haemorrhage (bleeding from anus)
  4. Anaemia (lack of blood)
  5. Dehydration (dryness resulting from the removal of water)
1 - 6 months:
  1. Nausea (feeling of having an urge to vomit)
  2. Diarrhea
  3. Abdominal pain
  4. Back pain
  5. Faecal incontinence (a lack of control over passing stool)
6 - 12 months:
  1. International normalised ratio increased
  2. Seizures (abnormal excessive or synchronous neuronal activity in the brain)
  3. Subdural haemorrhage (bleeding between the skull and the surface of the brain)
  4. Muscle twitching
  5. Colonic polyp (extra part of colon tissue grow in intestine)
1 - 2 years:
  1. Acute kidney failure
  2. International normalised ratio increased
  3. Hyperkalemia (damage to or disease of the kidney)
  4. Bleeding into the skin
  5. Femoral neck fracture (neck of femur bone fracture)
2 - 5 years:
  1. Gastrointestinal haemorrhage (bleeding gastrointestinal tract)
  2. Haemorrhagic stroke (stroke caused by the rupture of a blood vessel in the brain)
  3. Hydrocephalus (water on the brain)
  4. Hyperglycemia (high blood sugar)
  5. Malignant hypertension (a hypertensive emergency is a condition in which elevated blood pressure results in target organ damage)
5 - 10 years:
  1. Fall
  2. International normalised ratio increased
  3. Gastrointestinal haemorrhage (bleeding gastrointestinal tract)
  4. Stroke (sudden death of a portion of the brain cells due to a lack of oxygen)
  5. Nosebleed (bleeding from nose)
10+ years:
  1. International normalised ratio increased
  2. Occult blood positive
  3. Haemoglobin decreased
  4. Gingival bleeding (bleeding gums)
  5. Dizziness
not specified:
  1. Breathing difficulty
  2. Nausea (feeling of having an urge to vomit)
  3. Fatigue (feeling of tiredness)
  4. Weakness
  5. International normalised ratio increased
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Top conditions involved for these people *:

  1. High Blood Pressure : 281 people, 7.62%
  2. Primary Pulmonary Hypertension (primary high blood pressure that affects the arteries in the lungs and the right side of your heart): 255 people, 6.92%
  3. High Blood Cholesterol : 254 people, 6.89%
  4. Osteoporosis (bones weak and more likely to break): 194 people, 5.26%
  5. Multiple Myeloma (cancer of the plasma cells): 164 people, 4.45%

Top co-used drugs for these people *:

  1. Lasix (779 people, 21.13%)
  2. Digoxin (453 people, 12.29%)
  3. Lipitor (397 people, 10.77%)
  4. Furosemide (353 people, 9.58%)
  5. Aspirin (284 people, 7.70%)

* 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.

Want to find out more about the FDA reports used in the study? You can request them from FDA.

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

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