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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Does XL Mean In The Naming Of Medicines?

Hi, I have been taking Burpopion sr 150 mg and now my dr advised me to take Bupropion Hcl XL 300 based on my discomfort feeling it made me feel so much as if I took NyQuil so I took 1 pill 150 mg XL and 1 150 XL help me understand this helped me much better thank you
Mon, 15 Sep 2014
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Internal Medicine Specialist,  's  Response
HI

Thanks for posting your query .

XL means Extended Release . Most of the medications have effect from 2-8 hours so they will be prescribed for 3-4 times a day. But by making a medicine XL ( Extended Release ) the medicine will release its content slowly and continuously throughout the day so that it can be taken only once or twice a day .

Also since the medicine is released slowly it can be easily tolerated by the body and side effects will be less .

Hope this answers your query .

Any clarifications feel free to ask .
Happy to answer.
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What Does XL Mean In The Naming Of Medicines?

HI Thanks for posting your query . XL means Extended Release . Most of the medications have effect from 2-8 hours so they will be prescribed for 3-4 times a day. But by making a medicine XL ( Extended Release ) the medicine will release its content slowly and continuously throughout the day so that it can be taken only once or twice a day . Also since the medicine is released slowly it can be easily tolerated by the body and side effects will be less . Hope this answers your query . Any clarifications feel free to ask . Happy to answer.