medical expenses

Using zakaat funds to pay for expensive medication

Q: I am a dialysis patient requiring medication every month for approximately 1 year and if not taken, it can be life threatening. Due to the price of these medications being expensive and way out of my budget, so a Muslim medical organisation offered to pay for the medication but through zakaat funds. My question is that despite being sahib-e-nisab, will it be permissible to accept it in this dire circumstance?