Comparing Irbesartan vs Losartan
| Irbesartan | Losartan |
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| Irbesartan | Losartan |
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Prescription only
Prescribed for High Blood Pressure, Diabetic Kidney Disease. Irbesartan may also be used for purposes not listed in this medication guide. |
Prescription only
Losartan works on a hormone called angiotensin II to lower blood pressure and may also improve kidney function in some people. People being initiated on losartan should be adequately rehydrated and... View more |
Related suggestions High Blood Pressure (Hypertension)
Popular comparisons
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| More about Irbesartan | More about Losartan | ||||||||||||||||
| Ratings & Reviews | |||||||||||||||||
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Irbesartan has an average rating of 4.4 out of 10 from a total of 104 ratings on Drugs.com. 20% of reviewers reported a positive effect, while 46% reported a negative effect. |
Losartan has an average rating of 4.5 out of 10 from a total of 570 ratings on Drugs.com. 26% of reviewers reported a positive effect, while 49% reported a negative effect. |
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| Side Effects | |||||||||||||||||
| Generic Availability | |||||||||||||||||
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Lower cost generic |
Lower cost generic |
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| Pricing and Coupons * Prices are without insurance | |||||||||||||||||
View all Irbesartan prices |
View all Losartan prices |
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| Dosage Forms Available | |||||||||||||||||
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| Brand Names | |||||||||||||||||
| Avapro | Cozaar | ||||||||||||||||
| Half Life The half-life of a drug is the time taken for the plasma concentration of a drug to reduce to half its original value. | |||||||||||||||||
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15 hours |
4.4 hours |
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| CSA Schedule ** View glossary of 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 299 drugs are known to interact with Irbesartan:
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A total of 323 drugs are known to interact with Losartan:
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| Alcohol/Food/Lifestyle Interactions | |||||||||||||||||
| Disease Interactions | |||||||||||||||||
| First Approval Date | |||||||||||||||||
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September 30, 1997 |
April 14, 1995 |
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| WADA Class View World Anti-Doping Agency classifications. | |||||||||||||||||
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N/A |
N/A |
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| More Information | |||||||||||||||||
| Patient resources | |||||||||||||||||
| Professional Resources | |||||||||||||||||
| Related Treatment Guide | |||||||||||||||||
** 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.
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.