Comparing Clonidine vs Nifedipine
| Clonidine | Nifedipine |
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| Clonidine | Nifedipine |
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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
Nifedipine is used in the treatment of vasospastic angina and occasionally for chronic unstable angina as an add-on to other treatments. It should not be used to rapidly drop blood pressure as this... View more |
Related suggestions High Blood Pressure (Hypertension)
Migraine Prevention (Migraine Prophylaxis)
Hypertensive Emergency
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| More about Clonidine | More about Nifedipine | ||||||||
| Ratings & Reviews | |||||||||
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Clonidine has an average rating of 7.1 out of 10 from a total of 774 ratings on Drugs.com. 61% of reviewers reported a positive effect, while 21% reported a negative effect. |
Nifedipine has an average rating of 5.0 out of 10 from a total of 162 ratings on Drugs.com. 33% of reviewers reported a positive effect, while 44% 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 Nifedipine 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 |
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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| Brand Names | |||||||||
| Catapres, Catapres-TTS, Clonidine ER, Duraclon, Kapvay, Nexiclon XR, Onyda XR | Afeditab CR, Procardia, Procardia XL | ||||||||
| 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 |
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 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 375 drugs are known to interact with Clonidine:
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A total of 625 drugs are known to interact with Nifedipine:
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| Alcohol/Food/Lifestyle Interactions | |||||||||
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| Disease Interactions | |||||||||
| First Approval Date | |||||||||
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September 03, 1974 |
December 31, 1981 |
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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.
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.