Comparing Guanfacine vs Kapvay
| Guanfacine | Kapvay (clonidine) |
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| Guanfacine | Kapvay (clonidine) |
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Prescription only
Guanfacine is used to treat high blood pressure and the extended-release form (brand name Intuniv) is approved for the treatment of ADHD. Guanfacine can cause sedation, especially on therapy... View more |
Prescription only
Prescribed for ADHD. Kapvay may also be used for purposes not listed in this medication guide. |
Related suggestions ADHD (Attention Deficit Hyperactivity Disorder)
Popular comparisons
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| More about Guanfacine | More about Kapvay (clonidine) | ||||||||
| Ratings & Reviews | |||||||||
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Guanfacine has an average rating of 6.1 out of 10 from a total of 318 ratings on Drugs.com. 50% of reviewers reported a positive effect, while 32% reported a negative effect. |
Kapvay has an average rating of 7.4 out of 10 from a total of 18 ratings on Drugs.com. 67% of reviewers reported a positive effect, while 17% 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 Guanfacine side effects |
View all Kapvay side effects |
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| Drug Class | |||||||||
| Generic Availability | |||||||||
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Lower cost generic |
Lower cost generic approved | ||||||||
| Pricing and Coupons * Prices are without insurance | |||||||||
View all Guanfacine 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 | |||||||||
| Intuniv | Other clonidine brands include: Catapres, Catapres-TTS, Clonidine ER, Duraclon, Nexiclon XR, Onyda XR | ||||||||
| Half Life Drug half-life is the time required for plasma concentration to reduce to half its original value. | |||||||||
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18 hours |
15 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 B
No proven risk in humans
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 491 drugs are known to interact with Guanfacine:
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A total of 378 drugs are known to interact with Kapvay:
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| Alcohol/Food/Lifestyle Interactions | |||||||||
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| Disease Interactions | |||||||||
| First Approval Date | |||||||||
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October 27, 1986 |
September 29, 2009 |
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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 | |||||||||
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.