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What could cause Bradycardia for a 80-year old woman?

This is a personalized study for a 80 year old female patient who has Breast Cancer. The study is created by eHealthMe based on reports of 1,259 female patients aged 80 (±5) who take the same drug from FDA and social media.

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What is the drug

Letrozole (latest outcomes from 1,821 users) has active ingredients of letrozole. It is often used in breast cancer.

What is the symptom

Bradycardia (abnormally slow heart action) (latest reports from 291,992 patients) has been reported by people with high blood pressure, pain, osteoporosis, diabetes, depression.

On May, 23, 2014: 1,259 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
among females aged 78 (±5) who take the drug
Bradycardia (abnormally slow heart action)7 (3.45%)

(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)

SymptomNumber of reports
among females aged 78 (±5) who have the condition, regardless of which drug is taken
Bradycardia in Breast Cancer46 (1.21%)

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)
(2 of 3 people)
(0 of 1 people)
(1 of 4 people)

Most common side effects over time * :

< 1 month1 - 6 months6 - 12 months1 - 2 years2 - 5 years5 - 10 years10+ yearsnot specified
MyalgiaDrug IneffectiveOsteonecrosisTongue Neoplasm Malignant Stage UnspecifiedPneumoniaChronic Lymphocytic Leukaemian/aPain
ArthralgiaAstheniaArthralgiaMyalgiaOsteonecrosisCardiac DisorderFall
ThrombocytopeniaArthralgiaOsteonecrosis Of JawArthralgiaAnaemiaRetchingDyspnoea
HeadacheDyspnoeaMyalgiaBone PainGastric CancerDrug Withdrawal SyndromeBone Disorder
PruritusNeoplasm MalignantImpaired HealingAlopeciaPulmonary EmbolismBreast TendernessFatigue
AnorexiaNauseaCataractNeoplasm MalignantDeep Vein ThrombosisPeripheral Arterial Occlusive DiseaseOsteomyelitis
DiarrhoeaBack PainThrombocythaemiaNauseaDeathDizzinessAnxiety
Mouth UlcerationMalignant Neoplasm ProgressionOsteomyelitisHeadacheIdiopathic Thrombocytopenic PurpuraNauseaNausea
Influenza Like IllnessRashCoughDyspnoeaVisual Acuity ReducedNeoplasm MalignantOsteonecrosis Of Jaw
RashVomitingC-reactive Protein IncreasedDeathBone DisorderHot FlushVomiting

* 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:

Comments from related studies:

  • From this study (1 month ago):

  • Varicose veins have increased since taking Letrozole (Femara) and are painful.


  • From this study (1 month ago):

  • sudden onset of knee joint pain and behind the knee swelling


Post a new comment    OR    Read more comments

Can you answer these questions (what is this?):

More questions for: Bradycardia, Breast Cancer

You may be interested at these reviews (what is this?):

  • 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):

Could it be a symptom from a condition:

Complete drug side effects:

Alternative drugs:

Drugs associated with:

Conditions associated with:

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

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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.

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