<prompt> What is the advantage of fixed dose combination of drugs.Increases efficacy of drugDecreases adverse effectsPatient compliance improvedAll of the above  <response>: Ans. D. All of the aboveAdvantages of FDC:Safe and effective.Reduces pill burden a Enhancing overall treatment outcome.Increases efficiency.Reduce incidence of adverse drug effects.Improves patient compliance.Offers low cost compared to individual components of active ingredients. 