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Home > Herceptin > Letrozole > Herceptin and Letrozole

Review: Herceptin and Letrozole

This review analyzes the effectiveness and drug interactions between Herceptin and Letrozole. It is created by eHealthMe based on reports of 532 people who take the same drugs from FDA and social media, and is updated regularly.

You are not alone: join a mobile support group for people who take Herceptin and Letrozole >>>

What are the drugs

Herceptin (latest outcomes from 10,448 users) has active ingredients of trastuzumab. It is often used in breast cancer.

Trend of herceptin reports

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

Trend of letrozole reports

On Oct, 31, 2014: 532 people who take Herceptin, Letrozole are studied

Herceptin, Letrozole outcomes

Drug combinations in study:
- Herceptin (trastuzumab)
- Letrozole (letrozole)

Drug effectiveness over time :

< 1 month1 - 6 months6 - 12 months1 - 2 years2 - 5 years5 - 10 years10+ yearsnot specified
Herceptin is effectiven/an/a0.00%
(0 of 1 people)
(1 of 1 people)
(1 of 1 people)
Letrozole is effectiven/an/a50.00%
(1 of 2 people)
(1 of 1 people)

Most common drug interactions over time * :

< 1 month1 - 6 months6 - 12 months1 - 2 years2 - 5 years5 - 10 years10+ yearsnot specified
PruritusArthralgiaPyrexiaDyspnoeaOsteomyelitisNeoplasm Malignantn/aPain
FatigueAlopeciaChest PainPleural EffusionSwellingHepatic LesionOsteonecrosis Of Jaw
CoughRash PruriticDyspnoeaDecreased AppetiteErythemaMalignant Peritoneal NeoplasmAnaemia
ErythemaRadiation PneumonitisCoughDisease ProgressionPainBlood Alkaline Phosphatase IncreasedAnxiety
Infusion Related ReactionPyrexiaOsteomyelitisAcneMetastases To LungBlood Lactate Dehydrogenase IncreasedOsteomyelitis
Rash ErythematousLiver AbscessAlopeciaDrug EruptionPleural EffusionGamma-glutamyltransferase IncreasedBone Disorder
Tumour Lysis SyndromeDyspnoeaPurulent DischargeTachycardiaDysphagiaJaundicePleural Effusion
Interstitial Lung DiseaseMalignant Pleural EffusionGingival PainMetastases To LiverCapillary Leak SyndromeRash PruriticPrimary Sequestrum
Metastases To Central Nervous SystemBlood Urea IncreasedInflammationHypertensionExostosisNeuropathy PeripheralTooth Disorder
Nephropathy ToxicOsteonecrosisDental CariesOrthopnoeaFamily StressHepatitis CholestaticFatigue

Drug effectiveness by gender :

Herceptin is effective66.67%
(2 of 3 people)
Letrozole is effective66.67%
(2 of 3 people)

Most common drug interactions by gender * :

Osteonecrosis Of Jaw
Bone Disorder
Primary Sequestrum
Metastases To Bone
Pain In Jaw

Drug effectiveness by age :

Herceptin is effectiven/an/an/an/an/a100.00%
(2 of 2 people)
(0 of 1 people)
Letrozole is effectiven/an/an/an/an/a100.00%
(2 of 2 people)
(0 of 1 people)

Most common drug interactions by age * :

n/an/an/an/aBreast Cancer FemaleBone DisorderAnxietyAlopecia
Biopsy Breast AbnormalAnxietyPainFatigue
AnaemiaAnaemiaOsteonecrosis Of JawOsteonecrosis
Intervertebral Disc ProtrusionPainOsteomyelitisArthralgia
OsteopeniaOsteonecrosis Of JawAnaemiaPyrexia
Ovarian CystTooth ExtractionMetastases To BonePain In Extremity
ConjunctivitisInjuryGait DisturbancePain
AlopeciaTooth DisorderInflammationPrimary Sequestrum
AcneOsteomyelitisBack PainMetastases To Central Nervous System
Eyelid OedemaPain In JawImpaired HealingRash Pruritic

* 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.

Do you take Herceptin and Letrozole?

You are not alone! Join a related mobile support group:
- support group for people who take Herceptin and Letrozole
- support group for people who take Herceptin
- support group for people who take Letrozole

Latest outcomes in real world:

Can you answer these questions (Ask a question):

  • Does femara affect crp results?
    (Asked by a 69 year old woman who has Cancer - Breast, and takes Femara)
    Does femara affect the results of the C Reactive Protein test? I have been on it for two years and have side effects of joint pain and hot flashes with nausea.

  • Should a 66-year-old with paroxysmal atrial tachycardia (pat) take herceptin for 6 months instread of 12 months?
    (Asked by a 66 year old woman who has Carcinoma - Ductal, Breast Cancer Her2+, Non-metastatic, and takes Carboplatin, Taxotere, Herceptin)
    My concern is the potential for cardiac damage from taking Herceptin. The research on Herceptin for highly HER2 positive breast cancer seems less than clear that 12 months of treatment has truly significant benefit over 6 months. With a pre-existing heart condition of PAT (rx metoprolol) and also hi ...

  • I have severe bone pain and am taking femara. even when i am not on the drug, the bone pain does not go away. is it possible that the femara is triggering internal herpes outbreaks causing this pain?
    (Asked by a 61 year old woman who has HX Breast Cancer, Bilateral Mastectomy 2012, Herpes Simplex, and takes Femara)
    For the past eight months, I have been experiencing severe bone pain, not joint pain, but bone pain that causes me to feel the marrow in my bones is smoldering. I have tremendous amounts of fatigue in addition to genital herpes. I am only taking Femara, Vitamin D and Calcium per the Oncologist orde ...

  • Does anyone else have my weight gain problem?
    (Asked by a 65 year old woman who has Breast Cancer, and takes Femara)
    I have been taking Femara for 3 years, and constantly gain weight. I watch my diet, go to the gym 3 times a week, cycle whenever the weather allows. I´ve just came off a 4 weeks strikt diet and have lost nothing. I didn´t want to get on the scale, as I could feel on my clothes that nothing has c ...

  • Does hair loss reverse after taking femara
    (Asked by a 61 year old woman who has Breast Cancer, and takes Femara, Vitamin B1, Vitamin B2, Vitamin B3, Vitamin B6, Vitamin B12, Vitamin C, Biotin, Folate, Glucosamine And Chondroitin Sulfate And MSM, CoQ10)
    After chemo my thick straight hair grew in curly then gradually went straight. After about 2 1/2 years on Femara I am noticing my hair is thinning. Does anyone know if your hair eventually gets back to it's original fullness after stopping femara?

More questions for: Herceptin, Letrozole

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

  • Bone pain whilst taking letrozole
    (Posted by a 70 year old woman who has Severe Bone Pain And Fatigue, and takes 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. ...

  • Tinnitus with letrozole
    (Posted by a 58 year old woman who has Ringing In The Ears, and takes Letrozole)
    Sudden onset of ringing in the ears after two weeks on Letrozole 2.5mgs

More reviews for: Herceptin, Letrozole

Complete drug side effects:

On eHealthMe, Herceptin (trastuzumab) is often used to treat breast cancer. Letrozole (letrozole) is often used to treat breast cancer. Find out below the conditions the drugs are used for, how effective they are, and any alternative drugs that you can use to treat those same conditions.

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

Other drugs that are used to treat the same conditions:

Recent related drug studies (Check your drugs):

More related studies for: Herceptin, Letrozole

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.

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