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janewhite1 · 05-14-2012, 07:33 PM

Call your doctor and make an appointment. It might be time for a course of prednisone.

Ventolin SHOULD last more than 2 hours, but it doesn't always. When I am flaring, I use my inhaler every 5 hours. That's when it wears off, I could set my watch by it. And when I'm doing something that places extreme demands on the lungs, like winter sports, it only lasts about 2 hours.

05-14-2012, 07:33 PM	#2
janewhite1 Senior Veteran (female) Join Date: Oct 2007 Location: NJ, USA Posts: 9,398 Blog Entries: 32	Re: How do you tell if it's really asthma? Call your doctor and make an appointment. It might be time for a course of prednisone. Ventolin SHOULD last more than 2 hours, but it doesn't always. When I am flaring, I use my inhaler every 5 hours. That's when it wears off, I could set my watch by it. And when I'm doing something that places extreme demands on the lungs, like winter sports, it only lasts about 2 hours.