Side Effects
The most common side effects of hydroxyzine are dry mouth, constipation, blurred vision, dizziness, and drowsiness. If these effects exacerbate after a while, report to your healthcare provider.
To treat dry mouth, your doctor will advise you to drink water, or take a saliva substitute, chew gum that doesn’t contain any sugar, or suck (sugarless) hard candy or ice chips.
It is important to note that this drug will only be prescribed to you if the benefits are more than the side effects. In most cases, people who use this drug do not experience side effects.
Your doctor should know immediately if you experience any severe side effects such as difficulty urinating, restlessness, hallucinations, confusion, and tremor [1] (shaking)
Side effects such as fainting, dizziness, seizures, and rapid or irregular heartbeat require urgent medical attention.
People rarely experience severe allergic reactions after taking this medication. However, it is important to seek medical attention immediately if you observe any symptoms of a severe allergic reaction. You may experience symptoms, such as breathing difficulties, rash, serious dizziness, swelling of the throat, tongue or face, and itching.