I am 45+(woman),70kg,bp130/80.I take medicines Eltoxin100mg-1/2 tab per day,EnacD-10 - 1tab per day,Topaz 25mg -2 tab per day as per doctor prescription.I feel strong chest pain due to gas.Is it side effect of these medicines?What is the solution?If the answer is affirmative,then suggest alternative medicine .