Suggest Remedy For Buttocks Pain

hello,i m having pain in my buttock area from past one day while sitting and while standing i am having pains in thighs.i have been daignosed with IBS and have taken providac and Rifagut for 7 days and my symptom improves a lot but 2 days ago i took alchol and from then i am having the symptoms back and from past one day my buttocks and thighs are paining while sitting.currently i m prescribed with bifilac hp once a day