1. Short title This Act may be cited as the Safe Disposal of Opioids Act of 2018 . 2. Grants for disposal sites for unwanted prescription medications Section 203 of the Comprehensive Addiction and Recovery Act of 2016 ( 21 U.S.C. 822a ) is amended by adding at the end the following: (c) Grants for disposal sites for unwanted prescription medications (1) Grants (A) Awards In carrying out subsection (b), the Attorney General shall award grants to covered entities to establish or maintain disposal sites for unwanted prescription medications. (B) Limitation Of the total amount of awards under subparagraph (A) for a fiscal year, the Attorney General shall not award more than 10 percent to covered entities that are— (i) State, local, or tribal law enforcement agencies; or (ii) manufacturers, distributors, or reverse distributors of prescription medications. (2) Discounts for eligible patients (A) In general The Secretary of Health and Human Services shall establish a mechanism by which amounts paid by an eligible patient for an active opioid are discounted at time of payment or purchase to ensure that such patient does not pay any amount attributable to a fee under paragraph (3), with as little burden on the patient as possible. (B) Definition For purposes of subparagraph (A), the term eligible patient means— (i) a patient for whom any active opioid (as so defined) is prescribed to treat pain relating to cancer or cancer treatment; (ii) a patient participating in hospice care