The medicine in the HFA inhalers is the same as the albuterol in the CFC inhalers. It's the propellant that pushes the medicine out that's changed.
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HFA Inhaler Overview -
HFA Inhalers May Be More Effective than Old CFC InhalersThe HFA inhalers may better deliver medication to the lungs because the medicine particles are a little smaller. -
6 Things You Need to Know About HFA InhalersThe metal canisters in these inhalers should never be submerged in water or allowed to get wet (avoid leaving them in your pockets!). -
4 Differences Between the Old and New InhalersThere are some critical differences between the old and new inhalers, but they don't affect how well the medicines work.
