No Pur Bloka!!!!!!

I have a chronic condition that requires me to take propranolol daily. My pharmacy informs me that they are out of stock of pur-bloka and that you will not be able to supply this for an unknown period! Are you aware that to suddenly stop taking this drug is DANGEROUS? I have tried Inderal but have many side effects. My lips turning blue Your utter incompetence is putting people's health at risk, and I sincerely hope that should anyone suffer ill effects they sue you to the oblivion you so clearly deserve.....