Hi Question Regarding Bee Sting & Appropriate Benadril Dosage 15

Hi question regarding bee sting & appropriate Benadril dosage
15 year old daughter approx. 105 lbs
stung yesterday
Current symptoms redness moderate swelling itching
No significant pain at this point
using childrens benedril

she had been resistant to taking due to sleepiness side effect
now taking

Dosage on bottle addresses children vs teens

Requesting suggestions on dosage:

Thanks