The same generic drug, made by a different manufacturer, can indeed look different. A: Yes, it is confusing, and unfortunately, it's fairly common. Dose of chloroquine at 4 0 year Hydroxychloroquine hand pain Hydroxychloroquine pigmentation histology The active ingredient, hydroxyzine, is the same in both formualtions, though the salt, pamoate or hydrochloride, to which it is attached is different. The pamoate comes as a capsule and the hydrochloride is a tablet. The release mechanism into the body is different between the two and hence why one may work better for you. Feb 04, 2013 The active ingredient, hydroxyzine, is the same in both formualtions, though the salt, pamoate or hydrochloride, to which it is attached is different. The pamoate comes as a capsule and the hydrochloride is a tablet. The release mechanism into the body is different between the two and hence why one may work better for you. At my last hospital, the docs could order Atarax hcl or Vistaril pamoate and they were getting hcl, no matter what. Hcl was the only formulation we carried. Where I work now, if a doc goes to order hydroxyzine, the order reads like This hydroxyzine Atarax/Vistaril and the pt would get the pamoate because that's what we stock. Then, because pharmacies often change suppliersor their wholesalers doa pharmacy's own stock of a particular generic drug may continually rotate. Additionally, generic drug manufacturers can also take it a step further by producing generic pills that look different from another manufacturer's generics pills. Are hydroxyzine and plaquenil the same thing Hydralazine hydrochloride and Hydroxyzine drug interactions., Do Hydroxyzine PAM and Hydroxyzine HCL work for two different. Plaquenil and eoePlaquenil and gerdMacular scar tissue plaquenilChloroquine ph 250 mg tablet Yes hydroxyzine and amitriptyline can be used together I just wanted to post to say the amitriptyline can have that racing heart side effect - are you on a low dose like 10mg if not do decrease it. I had heart symptoms with amitriptyline, but mine were such that my ecg was abnormal, but after seing a cardiologist, i came off the amitriptyline. Hydroxizine and amitriptyline together - Bladder Health UK Forums. Hydroxyzine HCl vs hydroxyzine pamoate - Psychiatric Nursing.. Hydroxyzine, Vistaril Uses Anxiety Side Effects, and Dosage. Benadryl diphenhydramine and Vistaril hydroxyzine pamoate are antihistamines used to treat allergic skin reactions such as hives or contact dermatitis. Benadryl is also used to treat insomnia, motion sickness, and mild cases of Parkinsonism. Vistaril is also used as a sedative to treat anxiety and tension, or to control nausea and vomiting. I read that Cetirizine zyrtec has Hydroxyzine as one of its active metabolites but I don't really understand what this means. Are Zyrtec and Hydroxyzine the same thing? If not, do they have most of the same effects, not only in regards to antihistamine action but also anti-anxiety action and. Q I've been refilling the same generic drug prescription at my pharmacy for months without incident, but this month, I was given pills that are a different shape and color. The pharmacist says.