"At potentially up to $100 billion in size, the proposed effort would further support health needs including vaccinations," it said, adding that it would help promote a more sustained and inclusive global recovery.
SDRs are the IMF's reserve asset, and are exchangeable for dollars, euros, sterling, yen and Chinese yuan or renminbi.
Member states can loan or donate their SDR reserves to other countries for their use.
The United States, which has targeted the SDR allocation to be distributed around the "late (northern) summer," on Friday said: "We strongly support the effort to recycle SDRs to further support health needs."