Conclusion
Medicare prescription drug plan is a plan that helps to cover the drugs that will be prescribed to you. You can get enrolled into this plan whether you are on medications or not. You have to be eligible for the original Medicare plan before you are eligible for this plan. Once you are eligible, make sure you get enrolled early during the initial enrollment period or open enrollment period. There will be consequences if you enroll late.
Make sure that you pick the best plan that will satisfy your needs. Talk to your doctor or to someone who can help you decide which plan is best for you.
References
[1] https://www.aarp.org/health/medicare-qa-tool/what-is-original-medicare/
[2] https://www.hhs.gov/answers/medicare-and-medicaid/who-is-eligible-for-medicare/index.html#:~:text=Generally%2C%20Medicare%20is%20for%20people,also%20called%20Lou%20Gehrig’s%20disease).
[3] https://en.wikipedia.org/wiki/Antipsychotic
[4] https://en.wikipedia.org/wiki/Anorexia_nervosa
[5] https://en.wikipedia.org/wiki/Medicaid
[6] https://www.medicare.gov/drug-coverage-part-d/costs-for-medicare-drug-coverage/catastrophic-coverage