Discovery Keycare is Not Accommodating

I am a pensioner on chronic medication and go to Dischem Pharmacy as usual on a monthly basis to pick up my meds. So I go to the chemist end July and was told that my meds is no longer on Discovery's Chronic List. When my daughter called Discovery to query this, they gave her the name of the replacement meds, so we go back to the pharmacy only to find out that the replacement meds is supp**** by ADCO and that they have not supp**** the pharmacy with stock. So it's been 3 weeks since my last medication was taken (needless to say that this is chronic medication that has to be taken on a daily basis). We then called Discovery from the pharmacy (this conversation took a really, really long time) to ask them to lift the block on the previous meds until the new supplier delivers stock of the replacement meds. THEY REFUSED TO. I WAS TOLD TO PAY CASH OR WAIT UNTIL STOCK IS DELIVERED. This is my health we are talking about and they were by no means accommodating.