Comparing Calan vs Calan SR
| Calan (verapamil) | Calan SR (verapamil) |
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|---|
| Calan (verapamil) | Calan SR (verapamil) |
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|---|---|---|
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Prescription only
Prescribed for Arrhythmia, Angina, High Blood Pressure. Calan may also be used for purposes not listed in this medication guide. |
Prescription only
Prescribed for High Blood Pressure. Calan SR 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 (verapamil) | More about Calan SR (verapamil) | |
| Ratings & Reviews | ||
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Calan has an average rating of 10.0 out of 10 from a total of 4 ratings on Drugs.com. 100% of reviewers reported a positive effect, while 0% reported a negative effect. |
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. |
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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 side effects |
View all Calan SR side effects |
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| Drug Class | ||
| Generic Availability | ||
| Lower cost generic approved | 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: Calan SR, Verelan, Verelan PM | Other verapamil brands include: Verelan, Verelan PM | |
| 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 670 drugs are known to interact with Calan:
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A total of 670 drugs are known to interact with Calan SR:
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| Alcohol/Food/Lifestyle Interactions | ||
| Disease Interactions | ||
| First Approval Date | ||
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September 10, 1984 |
December 16, 1986 |
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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.
See also:
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.