Comparing Calan SR vs Verelan PM
| Calan SR (verapamil) | Verelan PM (verapamil) |
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| Calan SR (verapamil) | Verelan PM (verapamil) |
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|---|---|---|
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Prescription only
Prescribed for High Blood Pressure. Calan SR may also be used for purposes not listed in this medication guide. |
Prescription only
Prescribed for High Blood Pressure. Verelan PM may also be used for purposes not listed in this medication guide. |
Related suggestions High Blood Pressure (Hypertension)
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| More about Calan SR (verapamil) | More about Verelan PM (verapamil) | |
| Ratings & Reviews | ||
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Calan SR has an average rating of 8.6 out of 10 from a total of 10 ratings on Drugs.com. 70% of reviewers reported a positive effect, while 0% reported a negative effect. |
Verelan PM has an average rating of 7.0 out of 10 from a total of 3 ratings on Drugs.com. 67% 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. | ||
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View all Calan SR side effects |
View all Verelan PM side effects |
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| Drug Class | ||
| Generic Availability | ||
| Lower cost generic approved | ||
| Pricing and Coupons * Prices are without insurance | ||
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We could not find an exact match for this medicine. Try searching the Price Guide directly. |
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 | ||
| Other verapamil brands include: Verelan, Verelan PM | Other verapamil brands include: Calan SR, Verelan | |
| Half Life Drug half-life is the time required for plasma concentration to reduce to half its original value. | ||
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12 hours |
12 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 660 drugs are known to interact with Calan SR:
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A total of 660 drugs are known to interact with Verelan PM:
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| Alcohol/Food/Lifestyle Interactions | ||
| Disease Interactions | ||
| First Approval Date | ||
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December 16, 1986 |
November 25, 1998 |
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| WADA Class View classifications | ||
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N/A |
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.
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.