Seasonal Tablets (Cetirizine Hydrochloride)

Adult dosage

Adults and children over 6 years of age should take 10mg of cetirizine hydrochloride orally once daily before bedtime. In patients sensitive to adverse reactions, it may be divided and taken as 5mg in the morning and evening. In patients with renal impairment, dosage and frequency should be adjusted based on renal function, and the dosage may be adjusted from 10mg to 5mg based on creatinine clearance.

Children's dosage

Children over 6 years of age should take 10mg orally once daily before bedtime, just like adults. Children with renal impairment should have their dosage adjusted individually based on renal clearance and body weight.

This medication should not be taken by individuals who are allergic or hypersensitive to certain ingredients. Patients with severely impaired kidney function or children under 6 years of age should not use this medication. Patients with genetic issues such as lactose intolerance, lactase deficiency, or glucose-galactose malabsorption should avoid this medication. It is advisable not to take this medication simultaneously with certain drugs, such as theophylline or ritonavir. Caution should be exercised when taking this medication with alcohol, as it may increase the risk of side effects. Patients with poor kidney or liver function, or the elderly, should consult a doctor or pharmacist before taking this medication. Precautions are also needed for patients with epilepsy or those at risk of seizures. Patients with conditions that restrict urination should be cautious when using this medication. Pregnant or breastfeeding women should also consult a specialist before use. In case of overdose, central nervous system abnormalities or side effects may manifest in the digestive system, skin, liver, kidneys, etc., and immediate consultation with medical personnel is necessary. It is advisable to stop taking this medication a few days before allergy testing, and caution is needed when driving or operating machinery. It can be taken with food, but absorption speed may be slightly delayed. Keep out of reach of children and store in the original container.

Serious side effects

Hives, severe swelling (edema), chest tightness, difficulty breathing, cold sweat, paleness, severe rash with high fever, blisters, peeling skin, pain in mucous membranes of the mouth/eyes, shortness of breath or difficulty breathing, asthma attack, respiratory abnormalities accompanied by cough and fever, yellowing of skin or eyes (jaundice), extreme lethargy, sudden and very severe headache, lightning-type headache, seizure, confusion, visual disturbances, paralysis, urination.

Mild side effects

• Drowsiness
• headache
• fatigue
• numbness
• weakness
• restlessness
• sensory disturbance
• 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 tightly sealed container. It is best to maintain a storage temperature between 1 and 30 degrees Celsius. This will help to keep the efficacy and safety of the medication for a long time.

Appearance

White oval film-coated tablet

Package unit

10 tablets/PTP