How To Cure Pain In Left Waist And Buttocks?

hello doc, i am 40, had CS in 2007 due to complications in pregnancy - pregnancy induced heart failure, TAH 2yrs ago, BSO last year, never recovered fully, had diagnostic laparascopy to drain another cyst on my left hand corner april this year in india. Still feel serious pains especially in the left hand corner, a nagging pain in my left handside buttocks born. severe waist paint etc, what can i do? my doctor prescribed 1. Tab MYOSPAZ 1-0-1 FOR 1 WeeK 2. Tab Blong 1-0-1 For 1 Week. but i can't find it to buy here in Nigeria, any alternative drug?