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Real Life Pharmacology - Pharmacology Education for Health Care Professionals

Baclofen Pharmacology

Real Life Pharmacology - Pharmacology Education for Health Care Professionals

Eric Christianson, PharmD; Pharmacology Expert and Clinical Pharmacist

Education, Health & Fitness, Medicine

5716 Ratings

🗓️ 18 February 2021

⏱️ 14 minutes

🧾️ Download transcript

Summary

Baclofen is primarily used for its ability to help relieve muscle spasms. I discuss baclofen pharmacology on this podcast episode.



Baclofen should not be abruptly discontinued as it can cause a significant withdrawal reaction whose symptoms may include fever, spasticity, rhabdomyolysis, and death.



While baclofen generally avoids any issues with CYP enzyme interactions, it is eliminated by the kidney. Renal function changes can alter drug concentrations.



Sedation, confusion, dizziness, hypotension, and GI upset are some of the more common adverse effects of baclofen.

Transcript

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0:00.0

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

0:06.2

Thank you so much for listening. As always, to keep tabs on the podcast and the new episodes we have,

0:14.5

definitely go sign up at real life pharmacology.com. In addition to getting those updates,

0:20.0

when we've got new content, I've also got a free 31-page

0:23.6

PDF. It's a great little study guide refresher on the top 200 drugs. Great for anybody that works

0:31.6

with medications, works with patients, or is in school, taking exams exams and trying to pass their board.

0:40.2

So again, definitely go check that out, subscribe, and get that absolutely free there.

0:46.9

All right.

0:47.3

So the drug of the day is Baclophon.

0:51.9

Brand name of this medication is Leorazol.

0:55.6

I can't say I see that brand name used terribly often, but I have seen it come across

1:00.1

it a couple of times.

1:01.8

This medication is used primarily for muscle spasms and spasticity associated with various muscle disorders.

1:13.5

Off-label uses, there are some reported off-label uses such as Elko-Eustis order, hiccups as well.

1:22.9

Me personally, I have not seen Baclophen used in those off-label settings, but I did want to mention them at least.

1:31.1

By far, in clinical practice, I see the medication used for spasms or spasticity.

1:39.0

Mechanistically, this actually works by blocking reflexes at the spinal cord level,

1:47.3

so kind of in that central nervous system area.

1:51.0

And it's likely due to hyper-polarization of neuronal cells or neuronal endings,

1:58.5

and that ultimately leads to a relaxation of muscles, which obviously

2:07.0

helps spasms and spasticity in general.

2:11.9

All right, so when I think of baclophon, one of the things that I hear a lot or that I've seen patients be on quite a bit is baclophon pumps.

...

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