Melissa Withem Voss, from Waukegan, Ill., is 42 years old. A widower with three children, Voss was diagnosed at age 22 and has psoriasis and psoriatic arthritis. She’s on Medicaid. This is her story:

Several years ago I was trying to obtain any biologic and was told that I would have to use step therapy.

I have been given several creams and ointments, but I have moderate to severe coverage, so one tube usually doesn’t help. I have found that with some medications, the pharmacy can only dispense a small amount because there would be additional payments needed in order to cover the full medication that I need.

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