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Old 06-05-2013
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Drug Beta blockers and Insulin

If beta2 agonist stimulate the release of insulin,
How could beta antagonist also increase the release of insulin (FA 2013)?
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Old 06-05-2013
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I am also confused even lipincott also says epinephrine (agonist) and timolol (antagonist) both are used to treat glucoma..
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Old 06-06-2013
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Quote:
Originally Posted by medicalbiology View Post
I am also confused even lipincott also says epinephrine (agonist) and timolol (antagonist) both are used to treat glucoma..
Look:
Alfa Agonist decrease aqueous humor production through vasoconstriction of ciliary body blood vessels (alfa 1 effect), useful only in open-angle glaucoma only

Beta Antagonist decrease aqueous humor production by the ciliary body (beta 1 effect)
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Old 06-06-2013
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beta blockers decrease insulin secretion from what i know, i dont have the 2013 version of FA but couldnt find this in 2012 FA. Can you tell me in which section is this given?
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Old 06-06-2013
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That should be in this year's errata. Glucagon is the treatment for beta blocker toxicity so wouldn't make sense anyway.
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Mhd. (06-11-2013)



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