Comparing Femara vs Tykerb
| Femara (letrozole) | Tykerb (lapatinib) |
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| Femara (letrozole) | Tykerb (lapatinib) |
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Prescription only
Femara is a treatment that may be used to reduce the risk of breast cancer recurrence in postmenopausal women and also to increase the chance of ovulation in women with polycystic ovary syndrome... View more |
Prescription only
Tykerb is an oral targeted treatment used to treat HER2-positive metastatic breast cancer in combination with capecitabine or letrozole. Common side effects include diarrhea, palmar-plantar... View more |
Related suggestions Breast Cancer
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| More about Femara (letrozole) | More about Tykerb (lapatinib) | ||||||||||||||||
| Ratings & Reviews | |||||||||||||||||
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Femara has an average rating of 6.7 out of 10 from a total of 67 ratings on Drugs.com. 54% of reviewers reported a positive effect, while 19% reported a negative effect. |
Be the first to share your experience with this drug. |
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| Side Effects Experienced by Users Side effects are reported in Drugs.com user reviews and not clinically verified. | |||||||||||||||||
View all Femara side effects |
View all Tykerb side effects |
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| Drug Class | |||||||||||||||||
| Generic Availability | |||||||||||||||||
| Pricing and Coupons * Prices are without insurance | |||||||||||||||||
View all Femara prices |
View all Tykerb prices |
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| Dosage Forms | |||||||||||||||||
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| Brand Names | |||||||||||||||||
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N/A |
N/A |
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| Half Life Drug half-life is the time required for plasma concentration to reduce to half its original value. | |||||||||||||||||
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48 hours |
24 hours |
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| CSA Schedule 1 View glossary of CSA terms | |||||||||||||||||
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Not a controlled drug
Is not subject to the Controlled Substances Act. |
Not a controlled drug
Is not subject to the Controlled Substances Act. |
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| Pregnancy Category | |||||||||||||||||
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Category D
Positive evidence of risk
See the full pregnancy warnings document. |
Category D
Positive evidence of risk
See the full pregnancy warnings document. |
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| Drug Interactions | |||||||||||||||||
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A total of 122 drugs are known to interact with Femara:
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A total of 643 drugs are known to interact with Tykerb:
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| Alcohol/Food/Lifestyle Interactions | |||||||||||||||||
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No known alcohol/food interactions. This does not necessarily mean no interactions exist. Always consult your healthcare provider. |
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| Disease Interactions | |||||||||||||||||
| First Approval Date | |||||||||||||||||
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July 25, 1997 |
March 13, 2007 |
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| WADA Class View classifications | |||||||||||||||||
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N/A |
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| More Information | |||||||||||||||||
| Patient Resources | |||||||||||||||||
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| Related Treatment Guide | |||||||||||||||||
1 The Controlled Substances Act (CSA) schedule information displayed applies to substances regulated under federal law. There may be variations in CSA schedules between individual states.
See also:
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.