Cetrizine Tablets (Cetirizine Hydrochloride)

Adult dose

Adults and children over 6 years old take cetirizine hydrochloride 10mg once daily before bedtime. For patients sensitive to adverse reactions, it may be divided into doses of 5mg in the morning and evening. Adjustments can be made appropriately based on age and symptoms. The dosing interval for patients with kidney impairment should be adjusted according to their kidney function. Normal or mildly impaired kidney function patients can take 10mg once daily; moderately impaired patients can take 5mg once daily; severely impaired patients should take 5mg every other day.

Child dose

Children over 6 years old take cetirizine hydrochloride 10mg once daily before bedtime, the same as adults. In children with renal impairment, dosages should be individually adjusted based on renal clearance and body weight.

This medication should not be taken by individuals allergic to specific components or who have previously experienced hypersensitivity reactions to hydroxyzine or piperazine derivatives. Patients with severely impaired kidney function or children under 6 years old should not use this medication. Additionally, it contains lactose, so it should not be administered to patients with lactose intolerance or certain genetic metabolic disorders. It is important not to use this medication with specific drugs, such as theophylline or ritonavir, as it may alter drug concentrations. Alcohol consumption while taking this medication may exacerbate side effects, so it is advisable to avoid drinking alcohol. Patients with decreased kidney or liver function, the elderly, epilepsy patients, pregnant or breastfeeding women should consult a doctor or pharmacist before taking this medication. In particular, older adults may require dose adjustments due to the potential for increased drug concentrations in the blood. Caution is necessary when using this medication in situations where urination is not well excreted. During pregnancy, its safety has not been fully established, so it should be used under medical advice, and breastfeeding women should be mindful that the drug may be transmitted through breast milk. Excess dosages may lead to symptoms like confusion, drowsiness, headache, urinary issues, and immediate consultation with medical personnel is required in such cases. This medication can cause various side effects, so if any unusual symptoms appear, it should be discontinued and a specialist consulted. It is advisable to stop using this medication prior to allergy testing, and caution should be exercised when driving or operating machinery. Taking this medication with food may slow absorption, but it does not significantly affect efficacy. Finally, this medication should be stored out of reach of children and kept securely in its original container.

Serious side effects

Hives, severe swelling (edema), chest tightness, difficulty breathing, cold sweat, pallor, severe rash with high fever, blisters, peeling skin, pain in mouth/eye mucosa, shortness of breath or difficulty breathing, asthma attacks, respiratory abnormalities accompanied by cough and fever, yellowing of skin or eyes (jaundice), profound lethargy, sudden and severe headache, thunderclap headache, seizures, confusion, visual disturbances, paralysis, urinary problems

Mild side effects

• Drowsiness
• headache
• fatigue
• numbness
• weakness
• restlessness
• abnormal sensations
• mild lethargy
• tiredness
• dizziness

Drug interactions

Do not take this medication with theophylline or ritonavir.

Food interactions

Do not take this medication with excessive alcohol.

This medication may be sensitive to air or moisture, so it should be stored in a sealed container. It is best stored at room temperature, neither too hot nor too cold.

Appearance

White round film-coated tablets

Package unit

PTP packaging - 10 tablets/PTP, bottle packaging - 500 tablets/bottle