Lorazepam and Coumadin drug interactions - from FDA reports

Drug interactions are reported among people who take Lorazepam and Coumadin together. This study is created by eHealthMe based on reports of 2,016 people who take Lorazepam and Coumadin from FDA, and is updated regularly.

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On Sep, 19, 2018

2,016 people who take Lorazepam, Coumadin are studied.

Number of reports submitted per year:

Lorazepam and Coumadin drug interactions.

Most common drug interactions over time *:

< 1 month:
  1. Sopor (sleep)
  2. Osteoarthritis (a joint disease caused by cartilage loss in a joint)
  3. Cardiac failure congestive
  4. Hypertension (high blood pressure)
  5. Intentional overdose
1 - 6 months:
  1. Depression
  2. Dermatitis (inflammation of the skin resulting from direct irritation by an external agent or an allergic reaction to it)
  3. Diarrhoea
  4. Disease progression
  5. Disease recurrence
6 - 12 months:
  1. 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)
  2. International normalised ratio increased
  3. Pruritus generalised (generalized itching)
  4. Rectal haemorrhage (bleeding from anus)

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Most common drug interactions by gender *:

  1. Fall
  2. Asthenia (weakness)
  3. Osteonecrosis of jaw (death of bone of jaw)
  4. Constipation
  5. Hypertension (high blood pressure)
  1. Dizziness
  2. Pain
  3. Gastrooesophageal reflux disease (stomach contents (food or liquid) leak backwards from the stomach into the oesophagus)
  4. Nausea (feeling of having an urge to vomit)
  5. Oedema peripheral (superficial swelling)

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Most common drug interactions by age *:



  1. Accidental overdose
  2. Somnolence (a state of near-sleep, a strong desire for sleep)
  3. Accidental poisoning
  4. Convulsion (muscles contract and relax rapidly and repeatedly, resulting in an uncontrolled shaking of the body)
  5. Haemorrhage (bleeding)
  1. Abdominal mass (localized enlargement or swelling in the human abdomen)
  2. Abdominal pain
  3. Abdominal pain upper
  4. Actinomycosis (infection that causes sores, or abscesses)
  5. Albumin globulin ratio decreased

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* Approximation only. Some reports may have incomplete information.

FDA reports used in this study

Do you take Lorazepam and Coumadin?

You are not alone:

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Lorazepam has active ingredients of lorazepam. It is often used in stress and anxiety. (latest outcomes from Lorazepam 91,719 users)


Coumadin has active ingredients of warfarin sodium. It is often used in blood clots. (latest outcomes from Coumadin 116,666 users)

Interactions between Lorazepam and drugs from A to Z
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Interactions between Coumadin and drugs from A to Z
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Browse all drug interactions of Lorazepam and Coumadin
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What would happen?

Predict new side effects and undetected conditions when you take Lorazepam and Coumadin (44,557 reports studied)

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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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