Can you use hydroxyzine hcl and cetirizine hcl at the same time?

pH=-lg[H+] [H+]=10-pH With pH=2.0: Corrected: [H+]= 10-pH = 10-2.0 = 0.010 M HCL

i snorted 50 mg hydroxyzine hcl and as long as you can get past the weird chalky taste it'll give you a slight buzz and relaxing feeling

No, HCL usually means Hydrochloride, esp if as part of the drug name.

The salt forms, "hydrochloride" and "pamoate," are distinguishable by the release mechanism properties. Additionally, in the retail pharmacy setting, hydroxyzine hydrochloride is manufactured as a...

it is used to prevent the backward reaction