Ruzitek Tablets (Cetirizine Hydrochloride)

Adult dose

For adults and children over 6 years, administer 10 mg of cetirizine hydrochloride orally once daily before bedtime. Patients sensitive to side effects may divide the dosage into 5 mg each in the morning and evening. The dosage should be adjusted appropriately according to age and symptoms, and in patients with renal impairment, the dosage and interval should be adjusted based on creatinine clearance.

Child dose

For children over 6 years, administer 10 mg of cetirizine hydrochloride orally once daily before bedtime. For children with renal impairment, adjust the dose individually based on the child's renal clearance and weight.

This medicine should not be taken by patients with allergies to certain ingredients, severely impaired kidney function, or children under 6 years of age. Also, individuals with lactose intolerance should not take this medicine. When taking this medicine, do not combine it with certain medications that may interact, such as theophylline or ritonavir. Excessive alcohol consumption should be avoided while taking this medicine, and it is best not to use it with other antihistamines. Those with kidney or liver function issues, the elderly, epilepsy patients, pregnant, or breastfeeding women should consult a healthcare professional before using this medicine. In particular, elderly patients with reduced kidney function may need dose adjustments due to increased blood drug levels. Furthermore, those with difficulty urinating should exercise caution when using this medicine. If this medicine is overdosed or unusual symptoms appear, stop taking it immediately and consult a doctor or pharmacist. Symptoms of overdose may include confusion, drowsiness, dizziness, rapid heartbeat, and difficulty urinating. This medicine may cause various side effects such as drowsiness, headache, indigestion, skin rash, and liver dysfunction, so it is important to consult a specialist if abnormal symptoms occur. Additionally, it is recommended not to use this medicine before allergy tests, and caution is needed when driving or operating machinery. Taking it with alcohol or central nervous system depressants may intensify drowsiness. Finally, this medicine should be stored out of reach of children and kept in its original container for safety.

Serious side effects

Hives, severe swelling (edema), chest tightness, difficulty breathing, cold sweat, pallor, severe rash with high fever, blisters, peeling skin, pain in oral/eye mucous membranes, shortness of breath or difficulty breathing, asthma attack, respiratory abnormalities accompanied by cough and fever, yellowing of the skin or eyes (jaundice), extreme lethargy, sudden and severe headache, thunderclap headache, seizures, confusion, visual disturbances, paralysis, urination

Mild side effects

• Confusion
• diarrhea
• dizziness
• fatigue
• headache
• lethargy
• pupil dilation
• itching
• anxiety
• sedation

Drug interactions

Do not take this medicine with theophylline or ritonavir.

Food interactions

Do not take this medicine with excessive alcohol.

This medicine should be stored in a tightly sealed container to avoid exposure to air or moisture. It is best to maintain a storage temperature between 1 and 30 degrees Celsius at room temperature. This helps to preserve the efficacy of the medicine for a long time.

Appearance

White, rectangular film-coated tablet

Package unit

PTP - 10 tablets/box [10 tablets/PTP x 1]