Hydroxyzine is a prescription medication often used to treat anxiety and allergies. While it is generally safe, some women may experience side effects. Hydroxyzine side effects in women Common ones include drowsiness, dry mouth, and headache. These are usually mild and often disappear as the body adjusts to the medication. However, some women may experience more serious side effects such as confusion, tremors, or irregular heartbeat. In rare cases, hydroxyzine can cause severe allergic reactions, causing symptoms like rashes, itching, swelling, severe dizziness, and difficulty breathing. In addition, hydroxyzine may also affect menstrual cycles and cause weight gain in some women. Pregnant women should use the drug with caution as it may impact the foetus. Always consult with your healthcare provider about potential risks before starting any medication. Immediate medical attention is necessary if any of these severe side effects occur.