Comparing Letrozole vs Tykerb
| Letrozole | Tykerb (lapatinib) |
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| Letrozole | Tykerb (lapatinib) |
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Prescription only
Letrozole (brand name 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... 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 Letrozole | More about Tykerb (lapatinib) | ||||||||||||||||
| Ratings & Reviews | |||||||||||||||||
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Letrozole has an average rating of 6.6 out of 10 from a total of 369 ratings on Drugs.com. 48% of reviewers reported a positive effect, while 21% 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 Letrozole side effects |
View all Tykerb side effects |
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| Drug Class | |||||||||||||||||
| Generic Availability | |||||||||||||||||
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Lower cost generic |
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| Pricing and Coupons * Prices are without insurance | |||||||||||||||||
View all Letrozole prices |
View all Tykerb prices |
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| Dosage Forms | |||||||||||||||||
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| Brand Names | |||||||||||||||||
| Femara |
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 Letrozole:
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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 | |||||||||||||||||
| Professional Resources | |||||||||||||||||
| 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.