HYDROXYZINE (hye DROX i zeen) is an antihistamine. This medicine may be used to treat allergy symptoms, such as hives or itching. It may also be used to treat anxiety and tension. It can also be used with other medicines to induce sleep before surgery.
This medicine is for injection into a muscle. It is usually given by a health care professional in a hospital or clinic setting.
Talk to your pediatrician regarding the use of this medicine in children. While this drug may be prescribed for selected conditions, precautions do apply.
Side effects that you should report to your doctor or health care professional as soon as possible:
allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
changes in vision
fast, irregular heartbeat
trouble passing urine or change in the amount of urine
Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
pain, redness, or irritation at the injection site
Do not take this medicine with any of the following medications:
This medicine may also interact with the following medications:
antihistamines for allergy, cough, and cold
barbiturate medicines for sleep or seizures, like phenobarbital
certain antibiotics like erythromycin or clarithromycin
certain medicines for anxiety or sleep
certain medicines for bladder problems like oxybutynin, tolterodine
certain medicines for depression or psychotic disturbances
certain medicines for irregular heart beat
certain medicines for Parkinson's disease like benztropine, trihexyphenidyl
certain medicines for seizures like phenobarbital, primidone
certain medicines for stomach problems like dicyclomine, hyoscyamine
certain medicines for travel sickness like scopolamine
narcotic medicines for pain
other medicines that prolong the QT interval (an abnormal heart rhythm)
This does not apply; this medicine is not for regular use.
This drug is given in a hospital or clinic and will not be stored at home.
They need to know if you have any of these conditions:
history of irregular heartbeat
lung or breathing disease, like asthma
stomach or intestine problems
trouble passing urine
an unusual or allergic reaction to hydroxyzine, cetirizine, benzyl alcohol, other medicines, foods, dyes or preservatives
pregnant or trying to get pregnant
Tell your doctor or health care professional if your symptoms do not improve.
You may get drowsy or dizzy. Do not drive, use machinery, or do anything that needs mental alertness until you know how this medicine affects you. Do not stand or sit up quickly, especially if you are an older patient. This reduces the risk of dizzy or fainting spells. Alcohol may interfere with the effect of this medicine. Avoid alcoholic drinks.
Your mouth may get dry. Chewing sugarless gum or sucking hard candy, and drinking plenty of water may help. Contact your doctor if the problem does not go away or is severe.
This medicine may cause dry eyes and blurred vision. If you wear contact lenses you may feel some discomfort. Lubricating drops may help. See your eye doctor if the problem does not go away or is severe.
If you are receiving skin tests for allergies, tell your doctor you are using this medicine.