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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1
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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2
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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3
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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4
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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5
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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9
mapuche Says:
 
From Micromedex:
•(sustained-release caplet (Calan(R) SR) or tablet (Isoptin(R) SR)) initial, 180 mg ORALLY once daily in the morning; may titrate dose up to 240 mg ORALLY every 12 hours at weekly intervals based on response 24 hours after dosing [3][4]
•(sustained-release capsule (Verelan(R))) usual dose, 240 mg ORALLY once daily in the morning; may titrate dose up to 480 mg ORALLY once daily in the morning based on response 24 hours after dosing
•(extended-release capsule (Verelan(R) PM)) initial, 200 mg ORALLY once daily at bedtime; may titrate up to 400 mg ORALLY once daily at bedtime [6]
•(extended-release tablet (Covera-HS(R)) initial, 180 mg ORALLY once daily at bedtime; may titrate up to 480 mg ORALLY once daily at bedtime [7]
SR=sustained release tablet dosing is twice daily. XR=extended release tablet or capsule dosing is one a day.
I am a pharmacist in hospitals, Micromedex is one of the to go information databases for medical professionals.
JonCat, please do your research before making medical declarations




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vamsi Says:
 
If SR is twice a day and ER is once a day there is difference in drug release profile in both of them in body and there pharmaceutics and elimination will be different so once contact the doctor and go for it

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11
Kikit Says:
 
My cardiologist prescribed APO [NO SUB] Verapamil SR 240mg, dosage ONCE a DAY and it is presently unavailable from the manufacturer until September. I was switched to APO [NO SUB] Verapamil SR 120mg now twice a day but it is now also unavailable until September. With asthma, the heart medication is quite restricted and switches are very few. Two health issues create a severe challenge... APO supplies a much smaller tablet than any other and due to my Oculo-PHARYNGEAL Muscular Dystrophy, I cannot swallow other sizes and brands. They were tried before and I ended up almost choking to death since one got lodged in my throat and would not come up or go down. Any suggestion before I run out of pills in two weeks???

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12
Horse Says:
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Call a compounding pharmacy they may be able to.make it in a liquid form or make a dosage that you will be able to swallow

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