Cetirizine is a second-generation antihistamine. It is used to treat hay fever as well as allergies to dust mites, animal dander, and mold. In addition, this medication helps treat itching and redness from hives. Patients can take this drug as an extended-release or regular tablet. It is available as a chewable tablet and a liquid too. Pregnant women need to consult a doctor before using this medication. Individuals with liver disease or kidney disease should consult a doctor before taking it as well. Patients with allergies to hydroxyzine should not use cetirizine.
During treatment with this medicine, individuals may develop stomach pain, drowsiness, or dry mouth. They may also feel excessively tired. Some individuals could experience diarrhea or vomiting as well. Patients need to let their doctor know if these side effects are severe or persistent. In rare cases, individuals have developed swallowing problems and breathing difficulties. If these are present, patients should inform their doctor immediately. Cetirizine may interact with a wide range of medicines. Thus, patients should let their pharmacist and doctor know about all medicines they take. They should take particular care to mention those used to treat anxiety, sleeping issues, seizures, or mental health conditions. Doing so helps patients avoid side effects.