Hydroxyzine has an additive next when combined with Histaderm central nervous system depressant drugs, http://eridanuspills.com/other-medications/symperid.php as tranquilizers. Additive anticholinergic effects may occur if hydroxyzine is administered concomitantly with other anticholinergic agents. Patients receiving hydroxyzine must be warned against operating a motor vehicle or hazardous machinery.
Possible side effects of Histaderm include:
Histaderm is used to treat diseases such as: Allergic Urticaria, Allergies, Anxiety, Interstitial Cystitis, Nausea/Vomiting, Pain, Pruritus, Sedation.
Treat with titrated doses of intravenous benzodiazepines. Do not take more or less of it, take it more often, or take it for a longer time than prescribed by your doctor.