inhalersinhalers how they work and what they do for you by: lauren coe
TRANSCRIPT
Metered Dose Metered Dose InhalersInhalers
Metered Dose Metered Dose InhalersInhalers
•Contains pressurized gas•Most widely used inhaler•Common errors:
–Not shaking inhaler before– Inhaling to jerkily or at the wrong time
–Not holding breath long enough
How a Metered Dose Inhaler Works
•You put your mouth on the mouthpiece then
you press the canister and inhale
How a Metered Dose Inhaler Works
•The propellant system, along
with the dispersal
system, sprays the gas out of
the inhaler into your mouth
How a Metered Dose Inhaler Works
•The most widely used propellant in
MDI’s are CFCs (Chlorofluorocarbon
s)
•When you push down on the
canister it triggers the metering valve, then once it lets out the correct amount of medicine it shuts
off
CFC’s
Metering Valve
Dry-Powder InhalersDry-Powder InhalersDry-Powder InhalersDry-Powder Inhalers
•Contains powder instead of gas
•Have to suck in powder•Doses are premeasured •The types are :
–Accuhaler–Diskhaler
How Dry Power Inhalers How Dry Power Inhalers WorkWork
•Doesn’t contain any propellants
just medicine.
•You have to just suck in to get medicine
•Small children use
them
Preventer InhalersPreventer InhalersPreventer InhalersPreventer Inhalers• Taken everyday
to prevent symptoms
• Contains steroids
• Minimizes risks of asthma attacks
NebulizersNebulizersNebulizersNebulizers• Uses aerosol
vapor• Put mouthpiece
in mouth to breathe in vapor
• Mostly used in hospitals
• Gives large doses of medicine
What Happens During What Happens During an Attack?an Attack?
What Happens During What Happens During an Attack?an Attack?
• Airway closes off• Smaller space
makes it harder to breathe
• Because of an allergic reaction
• Need inhaler or airway will close up more
What Happens When You Inhale The Medicine In Inhalers
•The medicine travels through the airway to the
lungs
•The steroids in the inhaler helps to make the muscles
in the airway open up
•In about fifteen minutes you are back to normal
Spacer DevicesSpacer DevicesSpacer DevicesSpacer Devices
•Used with MDIs
•Holds the medicine while you breathe in
•When you breathe out valve closes
Side effectsSide effectsSide effectsSide effects
• Usually none• Amount of
medicine is small
• Can cause thrush mouth
• Can cause osteoporosis
Why are most asthma Why are most asthma Medicines Taken by Medicines Taken by
Inhaler?Inhaler?
Why are most asthma Why are most asthma Medicines Taken by Medicines Taken by
Inhaler?Inhaler?• Less side-effects• Full dose goes to
lungs• You get
immediate medicine
• Oral meds. Need higher dose
BibliographyBibliographyBibliographyBibliography
The University Of Chicago Asthma Center. How Asthma Works. http://asthma.bsd.uchicago,edu/Printables/AAHowWorksP.htm, April 28, 2004.
MayoClinic.com. Asthma inhalers and How They Work. www.cnn.com/HEALTH/library/HQ/01081.html, April 26, 2004
Inhalers. www.radix.net/mwg/inhalers.html,
April 26, 2004
About the AuthorAbout the AuthorAbout the AuthorAbout the Author
My name is Lauren Coe. My favorite animals are dogs, horses, and rabbits. I live in Walnut Cove NC. I am 12 and in the 7th grade at Hanes Middle.