U.S. doctors online nowAsk doctors free
TX
A 46-year-old female asked:

what is the difference between potassium chloride er and cr pls? i have taken cr for over 20 yrs. it is a script dosage of 8 meqs twice a day. will th

1 doctor answer1 doctor weighed in
Dr. Bruce Jacobs
Specializes in Family Medicine
One means controlled: release, the other means extended release. I think they are the same and will give you the same dosage of potassium.

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more. Get help now:

Ask doctors free
Personalized answers
Free
Talk to a doctor
24/7 visits
$15 per month

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more. Get help now:

Ask doctors free
Personalized answers
Free
Talk to a doctor
24/7 visits
$15 per month
Last updated May 3, 2019
Connect with a U.S. board-certified doctor by text or video anytime, anywhere.
24/7 visits
$15 per month

Disclaimer:

Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.