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Real Life Pharmacology - Pharmacology Education for Health Care Professionals

Topiramate Pharmacology

Real Life Pharmacology - Pharmacology Education for Health Care Professionals

Eric Christianson, PharmD; Pharmacology Expert and Clinical Pharmacist

Education, Health & Fitness, Medicine

5716 Ratings

🗓️ 15 April 2021

⏱️ 12 minutes

🧾️ Download transcript

Summary

On this episode of the Real Life Pharmacology Podcast, I cover topiramate pharmacology.



Topiramate is indicated for migraine prevention, seizures, and weight loss which are the most common uses that I see this medication used for.



Topiramate has carbonic anhydrase activity, so rarely, use of this drug may induce metabolic acidosis.



By far, the most common patient complaint I get with the use of topiramate is that it causes cognitive slowing or impairment.

Transcript

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0:00.0

Hey all, welcome back to the Real Life Pharmacology podcast. I am your host, pharmacist, Eric Christensen.

0:06.3

Thank you so much for listening today. As always, head over to real life pharmacology.com.

0:12.9

Grab your free PDF on the top 200 drugs. Just a unique little study guide that might help you for board exams,

0:20.4

or if you just want to brush up clinically, things like that.

0:24.0

We've got that 31 page PDF absolutely for free.

0:28.7

And we'll also send you kind of alerts when we've got new podcasts out and other content available too.

0:34.6

So again, take advantage of that.

0:39.4

If you enjoy the podcast today, definitely leave a rating review on iTunes or wherever you're listening. That's greatly appreciated. And I am

0:44.8

going to start discussing topiramate, which is the drug of the day today. Brand name of this

0:51.8

medication is Topamax. Primary uses, I would say it's technically

0:59.7

classified as an anti-convulsant. I would say by far, probably the most common conditions I see

1:06.9

it used for. Definitely is migraine, probably the top of the list there.

1:12.7

Occasionally for seizures, also see it used in weight loss as well.

1:19.0

And if you remember, I've talked about, I think, a couple of weight loss drugs,

1:23.9

but Topiramate actually comes in combination as a brand name product called

1:31.0

Cusimia, and that's actually in combination with fentanymine. Mechanistically, this drug isn't

1:41.7

crazy well understood, and that's, you know, one of the reasons for that is it's got multiple possible mechanisms that it works through.

1:52.4

So one is that it helps to enhance GABA.

1:56.6

If you remember, GABA is an inhibitory neurotransmitter, so that may be one of the pathways

2:02.8

that it potentially helps with seizures and things like that. And same thing with blocking

2:07.8

voltage-gated sodium channels. That's also a purported mechanism there. And then it also

2:15.6

has carbonic anhydrase inhibitory action.

...

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