Реакциите се определят по честота като: много чести (≥1/ 10), чести (≥1/ 100 до < 1/ 10), нечести (≥1/ 1 000 до < 1/ 100).
Frequencies are defined as Very common (≥1/10), Common (≥1/100 to < 1/10) and Uncommon (≥1/1,000 to < 1/100).