My dad uses a mail prescription program, there are issues sometimes with getting things on time or dosage. I can't remember the company name, but his insurance covers it.
My advice, if you try it, have a buffer script available just in case. I know people frown on stock piling drugs, but when you need them to survive, you really have to stock pile to a degree.
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A flock of flirting flamingos is pure, passionate, pink pandemonium-a frenetic flamingle-mangle-a discordant discotheque of delirious dancing, flamboyant feathers, and flamingo lingo.