Methacholine

What is Methacholine?

Methacholine (INN, USAN) (trade name Provocholine) is a synthetic choline ester that acts as a non-selective muscarinic receptor agonist in the parasympathetic nervous system.

Questions and answers on "Methacholine"

Over 14 Years , I have taken 6 Pulmonary Function
tests. The First Test taken in late 2000, the last July of 2014 . The first had the following...

doctor1 MD

Brief Answer:
shortness of breath

Detailed Answer:
Hi,
Thank you for contacting HCM. Your PFT's has been pretty much the sameover the years except...

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I've been tested last month with spirometry (completly normale) and methacholine (negative).
Lungs clear just a little hoarsness with sore throath....

doctor1 MD

Brief Answer:
You might be worsen due to poor inhaler technique.

Detailed Answer:
Thanks for your question on HCM.
I can understand your situation...

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I have shortness of breath after walking 20 feet. I have MDS. I start chemo Monday. My red blood count is 8.6. According to doctors my symptons are...

doctor1 MD

Brief Answer:
Rule out exercise induced asthma/ GERD

Detailed Answer:
Hello,
Thank you for trusting HCM

Since you had extensive investigations...

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Recent questions on  Methacholine

doctor1 MD

My 21 year old granddaughter is having shortness of breath , fatigue , chest pains, tingling of the extremities, difficulty swallowing, anxiety ,...

doctor1 MD

I have shortness of breath after walking 20 feet. I have MDS. I start chemo Monday. My red blood count is 8.6. According to doctors my symptons are...

doctor1 MD

I'm tired just walking a short distance. Feel off balance.

doctor1 MD

Hello there, I have recently done a Lung function test. The test results came back and confirmed that baseline spirometry volumes and flows are...

doctor1 MD

I often have trouble breathing and am always tired. I get out of breath just going up the stairs. I m only 17 and i m not at all overweight . is it...

doctor1 MD

I get random nose bleed through my left nostril only...my blood pressure is normal when this happens...I have sinus problems...this mostly happen...

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