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Doctor insights on: Hydroxyzine And Weight Gain

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Will hydroxyzine cause weight gain?

Will hydroxyzine cause weight gain?

Yes: The older type of antihistamines do tend to lead to weight gain. In fact, periactin (cyproheptadine hydrochloride) was often used to induce weight gain at one time. Since Hydroxyzine is an older antihistamine, the answer is yes for some people. ...Read more

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Dr. Michael Rothman
1,333 doctors shared insights

Weight Gain (Definition)

Weight gain is an increase in body weight. This can be a result of increases to muscle mass, increases in body fat, or increases in body fluids like water. Occasionally, weight gain can be a symptom of ...Read more


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Can vistaril (hydroxyzine) cause weight gain?

Can vistaril (hydroxyzine) cause weight gain?

Possible: The older type of antihistamine is often associated with weight gain . In fact, periactin, (cyproheptadine hydrochloride) one of the older generation of anthistamines, had been used to promote weight gain at one time. ...Read more

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Does alliance's atarax (hydroxyzine) actually cause weight gain as one of the side effects? If so why? And after how long of using it?

Does alliance's atarax (hydroxyzine) actually cause weight gain as one of the side effects? If so why? And after how long of using it?

Yes it causes wt gai: Yes atarax(hydroxyzine) can cause weight gain and it starts in first month and as follows <1 month 27.7% 1-6 months 27.7% 6-12 months 9.09% 1-2 years0.00% 2-5 years 9.09% 5-10 years27.27% >10 years 0.00. ...Read more

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Now knowing that older antihistamines like hydroxyzine make you gain weight, how soon after I stop taking it will I start to lose the weight?

Now knowing that older antihistamines like hydroxyzine make you gain weight, how soon after I stop taking it will I start to lose the weight?

Depends: Once your appetite returns to normal, you will have to eat less (particularly carbs) and exercise more to lose the weight which was gained. The speed of loss depends on how much less you eat and how much more you exercise. ...Read more

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What exactly causes the weight gain when taking atarax (hydroxyzine)? How does it happen? What can be done to eliminate it the weight gain?

What exactly causes the weight gain when taking atarax (hydroxyzine)? How does it happen? What can be done to eliminate it the weight gain?

Atarax (hydroxyzine): Since it is a centrally acting antihistamine with sedation properties, it tends to be the slight slowing down of metabolism at nighttime (when metabolism tends to pick up) as well as Atarax (hydroxyzine) does tend to cause some nocturnal eating, which also contributes. ...Read more

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I have been taking hydroxizine for angioedema for a year now. What all side effects does this cause and does it cause weight gain and intestinal issue?

I have been taking hydroxizine for angioedema for a year now. What all side effects does this cause and does it cause weight gain and intestinal issue?

NO: But does it help with your angioedema? Do you know what type of angioedema do you have? Idiopathic or hereditary or acquired? Antihistamines do not affect your weight or intestines. A first generation antihistamine called periactin (cyproheptadine hydrochloride) is sometimes used as an appetite stimulant but not hydroxyzine. ...Read more

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I just lost 123lbs what can I do to prevent hydroxyzine from causing me to gain weight back? How much does a person gain on hydroxyzine?

Congrats: On this achievement, loosing that much weight, hydroxyzine, like any other antihistaminic, is an appetite stimulant, other antihistamines differ in their appetite stimulation capacity, especially the newer ones, please revise your treatment options with your physician, look for alternatives if possible, good luck ...Read more