Other brands of guanfacine include Intuniv and Tenex. Guanfacine should not be combined with alcohol or other depressants (such as antihistamines such as Benadryl) as it will cause increased Central Nervous System suppression. Guanfacine should not be used with the following medications due to potential for harmful drug interactions:
Applies to: Benadryl (diphenhydramine) and guanfacine GuanFACINE and diphenhydrAMINE may have additive effects in lowering your blood pressure. You may experience headache, dizziness, lightheadedness, fainting, and/or changes in pulse or heart rate.
Guanfacine (Tenex, Intuniv). Guanfacine (Tenex) is less sedating than Note: Diphenhydramine (Benadryl) and hydroxyzine (Vistaril), below, are
Drug Interactions between Benadryl and guanfacine. This report displays the potential drug interactions for the following 2 drugs: Benadryl (diphenhydramine) guanfacine; Edit list (add/remove drugs) Consumer; Professional; Interactions between your drugs
This includes medications such as diphenhydramine (Benadryl), certain antidepressants, and opioids. Medications that affect guanfacine ER levels. Guanfacine ER is metabolized (broken down) by certain enzymes (proteins) in the liver.
diphenhydramine (Benadryl), hydroxyzine (Atarax, Vistaril); Alpha-nists: clonidine (Catapres, Kapvay), guanfacine (Tenex, Intuniv)
This includes medications such as diphenhydramine (Benadryl), certain antidepressants, and opioids. Medications that affect guanfacine ER levels
(Beclomethasone) Benadryl (Diphenhydramine) Benazepril CPS, PDR Bendectin Temozolomide CPS Tenex (Guanfacine) Tenfortan (Amezinium) Tenolin
Benadryl, diphenhydramine, antihistamine, Antihistamines have a drying effect guanfacine, antiadrenergic agents, centrally acting, Guanfacine may have a
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