Discover and read the best of Twitter Threads about #albuterol

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1/ In 2008, @US_FDA phased out #albuterol inhalers w/ ozone-depleting CFCs, including several generics.

Since then, brand-name firms have reaped $14 billion in sales on albuterol products--though the active ingredient went off #patent in 1989!โ€ฆ

2/ The first #albuterol inhalers came to the market in 1981.

By the mid-1990s, inexpensive generics had become available.
3/ However, many early inhalers contained chlorofluorcarbons (CFCs).

Brand-name firms, in turn, developed more environmentally friendly #HFA and dry-powder (#DPI) #albuterol inhalers.

By their own estimates, they spent $250-400 million developing these products.
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