Swallowing two Cetirizine HCI 10-milligram tablets may lead to confusion, sedation or agitation, diarrhea, dizziness, headache, dilated pupils, itching, stupor, rapid heart rate, tremors and difficulty passing urine, according to Drugs.com. Call your doctor immediately if you experience any of these side effects after overdosing.
The recommended dose for adults and adolescents above 12 years old is one 10-milligram tablet daily. For children between 6 and 12 years old the recommended dose is half a tablet taken twice per day. Cetirizine 10-milligram tablets are used for relief of seasonal allergic reactions, dust or pet allergies and swelling, redness and itchiness of the skin, Drugs.com reports.
Cetirizine 10-milligram tablets may cause side effects with normal use. Common side effects are fatigue, dry mouth, nausea, diarrhea, dizziness, headache, somnolence, sore throat and swelling and irritation inside the nose. Do not take Cetirizine 10 milligram tablets if you have a severe kidney disease, if you are allergic to the active substance of the medication, if you have intolerance to some sugars or you are allergic to hydroxyzine or drugs from the piperazine family, notes Drugs.com. Ask your doctor for advice if you have kidney problems, are epileptic or are taking other medicines and intend to use Cetirizine 10-milligram tablets.