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What could cause Bradycardia for a 78-year old woman?

This is a personalized study for a 78 year old female patient who has Breast Cancer. The study is created by eHealthMe based on reports of 1,261 female patients aged 78 (±5) who take the same drug from FDA and social media.

What is the drug

Letrozole (latest outcomes from 1,832 users) has active ingredients of letrozole. It is often used in breast cancer.

Trend of letrozole reports

What is the condition

Breast cancer (latest reports from 198,095 patients) can be treated by Arimidex, Tamoxifen Citrate, Femara, Aromasin, Letrozole, Herceptin.

Trend of Breast cancer reports

What is the symptom

Bradycardia (abnormally slow heart action) (latest reports from 292,053 patients) has been reported by people with high blood pressure, depression, schizophrenia, pain, diabetes.

On Nov, 22, 2014: 1,261 females aged 78 (±5) who take Letrozole are studied

Letrozole outcomes

Information of the patient in this study:

Age: 78

Gender: female

Conditions: Breast Cancer

Drugs taking:
- Letrozole - 2.5MG (letrozole): used for 2 - 5 years

Side effects have: moderate bradycardia

Comments from or about the patient: Duration : 3 y
I asume also eutirox (50 ng/d)
Reply the comment

eHealthMe real world results:

Comparison with this patient's adverse outcomes:

Side effectNumber of reports on eHealthMe
Bradycardia (abnormally slow heart action)7 (3.41% of females aged 78 (±5) who take the drug)

(as an adverse outcome could be a symptom of a condition, additional studies are listed to help identify the cause: for example, regardless of which drug is taken, how many female HBP patients aged 50 (±5) have nausea)

Symptom (click a symptom for in-depth analysis)Number of reports on eHealthMe
Bradycardia in Breast Cancer46 (1.21% of females aged 78 (±5) who have Breast cancer)

(as an adverse outcome could be a side effect of a drug, additional studies are listed to help identify the cause: for example, how many female Aspirin users aged 50 (±5) have nausea)

Side effect (click a side effect for in-depth analysis)Number of reports on eHealthMe
Bradycardia in Letrozole7 (3.41% of females aged 78 (±5) who take Letrozole)

Drug effectiveness over time :

< 1 month1 - 6 months6 - 12 months1 - 2 years2 - 5 years5 - 10 years10+ yearsnot specified
Letrozole is effective100.00%
(1 of 1 people)
(0 of 2 people)
(3 of 4 people)
(0 of 1 people)
(2 of 5 people)

Most common side effects over time * :

< 1 month1 - 6 months6 - 12 months1 - 2 years2 - 5 years5 - 10 years10+ yearsnot specified
Myalgia (muscle pain)Drug IneffectiveOsteonecrosis (death of bone)Tongue Neoplasm Malignant Stage UnspecifiedOsteonecrosis (death of bone)Chronic Lymphocytic Leukaemia (cancer in which the bone marrow makes too many lymphocytes (a type of white blood cell))n/aPain
Arthralgia (joint pain)Asthenia (weakness)Arthralgia (joint pain)Myalgia (muscle pain)PneumoniaCardiac DisorderFall
Thrombocytopenia (decrease of platelets in blood)Arthralgia (joint pain)Myalgia (muscle pain)Arthralgia (joint pain)Anaemia (lack of blood)Retching (strong involuntary effort to vomit)Dyspnoea (difficult or laboured respiration)
Headache (pain in head)Dyspnoea (difficult or laboured respiration)Osteonecrosis Of Jaw (death of bone of jaw)Bone PainGastric Cancer (stomach cancer)Drug Withdrawal Syndrome (interfere with normal social, occupational, or other functioning. are not due to another medical condition, drug use, or discontinuation)Bone Disorder
Pruritus (severe itching of the skin)Neoplasm Malignant (cancer tumour)Cataract (clouding of the lens inside the eye)Alopecia (absence of hair from areas of the body)Pulmonary Embolism (blockage of the main artery of the lung)Breast TendernessFatigue (feeling of tiredness)
Anorexia (eating disorder characterized by immoderate food restriction and irrational fear of gaining weight)Nausea (feeling of having an urge to vomit)Impaired HealingNeoplasm Malignant (cancer tumour)Deep Vein Thrombosis (blood clot in a major vein that usually develops in the legs and/or pelvis)Peripheral Arterial Occlusive Disease (reproducible ischemic muscle pain)Osteomyelitis (infection of bone)
DiarrhoeaBack PainConcomitant Disease Progression (progress in accompanying disease)Nausea (feeling of having an urge to vomit)Idiopathic Thrombocytopenic Purpura (bleeding disorder in which the immune system destroys platelets, which are necessary for normal blood clotting)DizzinessAnxiety
Mouth Ulceration (mouth ulcers)Malignant Neoplasm Progression (cancer tumour came back)Thrombocythaemia (an increased number of platelets in the circulating blood)Headache (pain in head)DeathNausea (feeling of having an urge to vomit)Nausea (feeling of having an urge to vomit)
Influenza Like IllnessWeight DecreasedTooth ExtractionDyspnoea (difficult or laboured respiration)Bone DisorderNeoplasm Malignant (cancer tumour)Osteonecrosis Of Jaw (death of bone of jaw)
Rash (redness)VomitingCoughDeathFaeces DiscolouredHot Flush (sudden feelings of heat)Vomiting

* 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.

You can also:

You are not alone! Join a related mobile support group:
- support group for people who take Letrozole and have Bradycardia
- support group for people who have Bradycardia and Breast Cancer
- support group for people who have Breast Cancer
- support group for people who have Bradycardia
- support group for people who take Letrozole

Can you answer these questions (Ask a question):

More questions for: Bradycardia, Breast Cancer

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

  • Bone pain whilst taking letrozole
    Before having breast cancer I walked 10 miles a week, and did a 40 min exercise routine. Having had a lumpectomy followed by 15 radiation treatments, and then prescribed letrozole for 10 years, I can no longer do my 40 min exercise routine, nor the power walking that I have done for so many years. ...

  • Victoza and breast cancer
    I took victoza for about 1 year. I have no history of breast cancer 9 my family.

  • Tinnitus with letrozole
    Sudden onset of ringing in the ears after two weeks on Letrozole 2.5mgs

  • Dilantin and interactions
    I've taken Dilantin for over 40 years..seizure free for over 30 years..became hypothyroid 10 years ago..B12 deficient approximately 3 years ago and have had a benign arrhythmia for over 30 years. I take magnesium because it seems to hep the arrhythmia and vitamin d because mine is low normal.

More reviews for: Bradycardia, Breast Cancer

Drug effectiveness in real world:

In-depth study of side effects (who have it, when it happens and how):

In-depth study of symptoms:

Complete drug side effects:

Alternative drugs:

Drugs associated with:

Conditions associated with:

Recent related drug studies (Check your drugs):

More related studies for: Bradycardia, Breast Cancer

Common symptoms:

Women of age 60+ with Breast Cancer:
  1. Diarrhea (2,005 reports)
  2. Nausea (1,495 reports)
  3. Fatigue (1,381 reports)
  4. Aseptic necrosis (1,263 reports)
  5. Pain (1,200 reports)
  6. Breathing difficulty (1,183 reports)
  7. Joint pain (1,147 reports)
  8. Rashes (1,138 reports)
  9. Fever (1,122 reports)
  10. Weakness (1,104 reports)

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.

47 million health professionals and patients have studied on eHealthMe. Recent updates:

- How effective is Ativan for Pain Relief? (0 second ago)

- Could Breast Cancer cause Bradycardia? (2 seconds ago)

- Could Letrozole cause Bradycardia? (8 seconds ago)


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