Zhang 2011 was a summary of a poster presentation with insufficient information to determine study characteristics. [cochranelibrary.com]

• Fever

  Postintervention fever duration Comparison 1. [cochranelibrary.com]

This study had a number of intermediate dropouts between treatments. In this case, group cross‐over was regarded as treatment failure and cross‐over treatment success was not used in this review. [cochranelibrary.com]

Allocation concealment Low risk: the process used a telephone or central allocation system or sealed, opaque envelopes to prevent participant recruiters, investigators, and participants from knowing the intervention allocation. [cochranelibrary.com]