Walgreen's has lowered its prices on some generic drugs to $12 for a 90 day supply. This is basically the same policy Wal-Mart has ($4/30 days, $10/90 days). There are two main differences.

The Wal-Mart program is automatic, while the Walgreen's one costs $20 / year to enroll.

The Wal-Mart program only covers 25 mg spiro tablets, while the Walgreen's program covers both the 25 mg and 50 mg tablets. Neither cover the 100 mg tablets.

Both programs cover the 2 mg estradiol tablets.

Here are links to all the meds covered by Wal-Mart and Walgreen's .
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"The mass of men lead lives of quiet desperation." Henry David Thoreau

His disciples asked him, "Rabbi, who sinned, this man or his parents, that he was born blind?"
Jesus answered, "Neither he nor his parents sinned; it is so that the works of God might be made visible through him. "
John 9:2-3