Verapamil Difference Between Sr And Er

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Comments Submitted Says:
 
I am taking verapamil SR 240mg. A lot of drug plans only offer it as ER. What's the difference?

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Verwon Says:
 
There is no difference, they are both just abbreviations that denote it as being a time released formulation.

ER= extended release

SR= sustained release

You may also see it denoted with the abbreviations:

XR = extended release and

CR = controlled release.

However, as I said, they all mean the same thing.


Verapamil is a calcium channel blocker used to treat hypertension, angina and other cardiovascular problems.

Common side effects may include: nausea, dizziness, headache and stomach pain.

Read more:

http:/­/­www.medschat.com/­wiki/­Verapamil/­

Are there any questions or comments?

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Mary Says:
 
There is a difference between verapamil ER and SR. One is taken once a day and the other is meant to be taken twice a day. That is what the pharmacist told me.

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BOB Says:
 
iF THERE IS NO DIFFERENCE BETWEEN VERAPAMIL ER & SR WHY DO THEY HAVE TWO TYPES THE DOCTOR GAVE MY WIFE ER AND HE
GAVE ME SR

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Julie Says:
 
Although they are meant to be interchangeable, there are ALWAYS slight differences in the generics depending on who is manufacturing them. It's not uncommon for some people to have different side effects or slightly less or more effect with one vs. the other.

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Laura Miles Says:
 
Why is the cost of varapamil hcl er more expensive than varapamil hcl tablet? On my PDP hcl er is tier 2. 45.00 for a 30 day supply while hcl er tablet is 6.00 per 30 day supply on tier 1.

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6
Julie Says:
 
per my cardiologist this is not true. Every generic brand has differences in potency. This is why many docs will want you to stay on the same generic. When I take the brand name verapamil I only require 180 mg/day but with one generic that is ER, i need 240 mg for the same symptom control. My cardiologist says this is not uncommon.

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7
Steven Says:
 
cardiologist have 1 years of pharmocology while pharmacists have 4 years. i'd stick with the pharmacist

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8
JonCat Says:
 
ER and SR are just the same thuing with a different mfg., perhaps. NOTHING TO DO WITH ONCE OR TWICE A DAY!

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