Comparing Atenolol vs Clonidine
Atenolol | Clonidine |
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Atenolol | Clonidine |
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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
Clonidine can be used to lower blood pressure and treat ADHD; however, it causes sedation, and tolerance can develop to its blood pressure-lowering effects. Clonidine should not be stopped suddenly... View more |
Related suggestions High Blood Pressure (Hypertension)
Migraine Prevention (Migraine Prophylaxis)
Alcohol Withdrawal
Popular comparisons
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More about Atenolol | More about Clonidine | ||||||||||||||||
Ratings & Reviews | |||||||||||||||||
Atenolol has an average rating of 7.3 out of 10 from a total of 274 ratings on Drugs.com. 64% of reviewers reported a positive effect, while 18% reported a negative effect. |
Clonidine has an average rating of 7.2 out of 10 from a total of 762 ratings on Drugs.com. 63% of reviewers reported a positive effect, while 21% reported a negative effect. |
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Drug Class | |||||||||||||||||
Side Effects | |||||||||||||||||
See also: atenolol side effects in more detail. |
See also: clonidine side effects in more detail. |
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Generic Availability | |||||||||||||||||
Lower cost generic |
Lower cost generic |
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Pricing and Coupons * Prices are without insurance | |||||||||||||||||
View all atenolol prices |
View all clonidine prices |
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Dosage Forms Available | |||||||||||||||||
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Brand Names | |||||||||||||||||
Tenormin | Catapres, Catapres-TTS, Clonidine ER, Duraclon, Kapvay, Nexiclon XR, Onyda XR | ||||||||||||||||
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. | |||||||||||||||||
6.2 hours |
15 hours |
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CSA Schedule ** View glossary of terms | |||||||||||||||||
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 | |||||||||||||||||
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 | |||||||||||||||||
A total of 467 drugs are known to interact with atenolol:
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A total of 374 drugs are known to interact with clonidine:
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Alcohol/Food/Lifestyle Interactions | |||||||||||||||||
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Disease Interactions | |||||||||||||||||
First Approval Date | |||||||||||||||||
August 19, 1981 |
September 03, 1974 |
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WADA Class View World Anti-Doping Agency classifications. | |||||||||||||||||
More Information | |||||||||||||||||
Patient resources | |||||||||||||||||
Professional Resources | |||||||||||||||||
Related Treatment Guide | |||||||||||||||||
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** 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.