Comparing Femara vs Metformin
| Femara (letrozole) | Metformin |
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| Femara (letrozole) | Metformin |
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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
Metformin improves how the body responds to insulin and it is used to treat type 2 diabetes. Taste disturbances, diarrhea, and other stomach-related side effects are common side effects. Metformin is... View more |
Related suggestions Female Infertility
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| More about Femara (letrozole) | More about Metformin | ||||||||||||||||
| 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. |
Metformin has an average rating of 6.8 out of 10 from a total of 656 ratings on Drugs.com. 54% of reviewers reported a positive effect, while 19% reported a negative effect. |
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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 Metformin 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 Femara prices |
View all Metformin prices |
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| Dosage Forms | |||||||||||||||||
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| Brand Names | |||||||||||||||||
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N/A |
Glumetza | ||||||||||||||||
| 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 |
4.5 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 B
No proven risk in humans
See the full pregnancy warnings document. |
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| Drug Interactions | |||||||||||||||||
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A total of 121 drugs are known to interact with Femara:
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A total of 378 drugs are known to interact with Metformin:
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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 03, 1995 |
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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.
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Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.