Comparing Clonidine vs Prazosin
| Clonidine | Prazosin |
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| Clonidine | Prazosin |
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Prescription only
Clonidine can be used to lower blood pressure and extended-release forms are used to treat ADHD; however, it causes sedation, and tolerance can develop to its blood pressure-lowering effects... View more |
Prescription only
Prazosin lowers high blood pressure but commonly causes dizziness or drowsiness that may impair driving or operating machinery. This is most likely in the first 24 hours, after dose increases, when... View more |
Related suggestions High Blood Pressure (Hypertension)
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| More about Clonidine | More about Prazosin | ||||||||||||||||
| Ratings & Reviews | |||||||||||||||||
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Clonidine has an average rating of 7.1 out of 10 from a total of 779 ratings on Drugs.com. 61% of reviewers reported a positive effect, while 21% reported a negative effect. |
Prazosin has an average rating of 7.0 out of 10 from a total of 283 ratings on Drugs.com. 60% of reviewers reported a positive effect, while 24% 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 Clonidine side effects |
View all Prazosin side effects |
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| Drug Class | |||||||||||||||||
| 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 Clonidine prices |
View all Prazosin prices |
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| Dosage Forms | |||||||||||||||||
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| Brand Names | |||||||||||||||||
| Catapres, Catapres-TTS, Clonidine ER, Duraclon, Kapvay, Nexiclon XR, Onyda XR | Minipress | ||||||||||||||||
| Half Life Drug half-life is the time required for plasma concentration to reduce to half its original value. | |||||||||||||||||
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15 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 C
Risk cannot be ruled out
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 378 drugs are known to interact with Clonidine:
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A total of 275 drugs are known to interact with Prazosin:
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| Alcohol/Food/Lifestyle Interactions | |||||||||||||||||
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| Disease Interactions | |||||||||||||||||
| First Approval Date | |||||||||||||||||
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September 03, 1974 |
June 23, 1976 |
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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 | |||||||||||||||||
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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.
See also:
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.