Comparing Atenolol vs Metoprolol
| Atenolol | Metoprolol |
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| Atenolol | Metoprolol |
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Prescription only
Atenolol works on heart-specific receptors to lower blood pressure and slow heart rate; however, this selective effect on the heart may be lost with dosages greater than 50mg/day which increases the... View more |
Prescription only
Metoprolol is available as two different salts: metoprolol tartrate and metoprolol succinate. These two salts are not interchangeable because they have different dosages, durations of action, and... View more |
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Popular comparisons
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| More about Atenolol | More about Metoprolol | ||||||||
| Ratings & Reviews | |||||||||
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Atenolol has an average rating of 7.2 out of 10 from a total of 277 ratings on Drugs.com. 64% of reviewers reported a positive effect, while 18% reported a negative effect. |
Metoprolol has an average rating of 5.8 out of 10 from a total of 653 ratings on Drugs.com. 41% of reviewers reported a positive effect, while 33% 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 Atenolol side effects |
View all Metoprolol side effects |
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| Drug Class | |||||||||
| Generic Availability | |||||||||
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Lower cost generic |
N/A |
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| Pricing and Coupons * Prices are without insurance | |||||||||
View all Atenolol prices |
We could not find an exact match for this medicine. Try searching the Price Guide directly. |
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| Dosage Forms | |||||||||
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N/A |
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| Brand Names | |||||||||
| Tenormin | Kapspargo Sprinkle, Lopressor, Metoprolol Succinate ER, Metoprolol Tartrate, Toprol-XL | ||||||||
| Half Life Drug half-life is the time required for plasma concentration to reduce to half its original value. | |||||||||
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6.2 hours |
4 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 C
Risk cannot be ruled out
See the full pregnancy warnings document. |
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| Drug Interactions | |||||||||
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A total of 477 drugs are known to interact with Atenolol:
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A total of 544 drugs are known to interact with Metoprolol:
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| Alcohol/Food/Lifestyle Interactions | |||||||||
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| Disease Interactions | |||||||||
| First Approval Date | |||||||||
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August 19, 1981 |
August 07, 1978 |
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| WADA Class View classifications | |||||||||
| More Information | |||||||||
| Patient Resources | |||||||||
| Professional Resources | |||||||||
| Related Treatment Guide | |||||||||
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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.