帮你核实一下
https://www.tylenol.com/products/tylenol-pm-extra-strength-caplet
Active ingredients (in each caplet)
Acetaminophen 500 mg
Diphenhydramine HCl 25 mg
第二个就是Benadryl
https://www.samsclub.com/p/members-mark-alergy-tab-600ct/prod17080114
25 mg / 片
600片/ 瓶, $4.48
不明白,为啥要用贵的Tylenol pm.