81 Y.o., Have Been Diagnosed With Blastocystis Which Was Suppose

81 y.o., have been diagnosed with blastocystis which was suppose to run its course in "4-5 days"...have had it for 9 months, lost 7% of body weight, feel like I'm going to drop at any minute, can no longer hike 4-5 miles, have mega gas, intermitant (4 out of 5 ea day) diarreah, & constant taste/smell of spoiled mango...seen 4 specialists (including UCI Gottchalk), taken 5 Rx's, & STILL no relief...