Gistop Tablets (Cetirizine Hydrochloride)

Adult dose

Adults and children aged 6 years and older should take 10 mg of cetirizine hydrochloride orally once daily before bedtime. For patients sensitive to adverse effects, the dose may be divided into 5 mg in the morning and evening, adjusted according to age and symptoms. For patients with renal impairment, dosing intervals should be adjusted according to kidney function, and the dose should be adjusted based on creatinine clearance.

Child dose

Children aged 6 years and older should take 10 mg of cetirizine hydrochloride orally once daily before bedtime. In pediatric patients with renal impairment, the dosage should be individually adjusted based on creatinine clearance and body weight.

This medication should not be taken by individuals with specific allergic reactions or hypersensitivity to hydroxyzine or piperazine derivatives. Patients with significantly impaired kidney function and children under 6 years of age should not use this medication. This medication contains lactose, and patients with lactose intolerance or genetic metabolic disorders should avoid it. It is important not to take this medication concurrently with certain drugs, such as theophylline or ritonavir. Alcohol consumption should be avoided as it may exacerbate side effects. Individuals with kidney or liver problems, the elderly, those with epilepsy, pregnant women, and nursing mothers should consult a healthcare professional before taking this medication. Particularly, elderly individuals or those with weakened kidney function may require dose adjustments due to the potential for increased drug concentration in the blood. This medication may worsen conditions where urination is impaired; caution is advised for those with related diseases. There is insufficient safety data during pregnancy, so consulting a physician before use is recommended, and nursing mothers should be cautious as it may affect the baby. If severe adverse effects appear while taking this medication, discontinue use immediately and consult a healthcare professional. Overdose may result in symptoms such as dizziness, drowsiness, confusion, and requires treatment according to symptoms as there is no specific antidote available. Various side effects may occur, including drowsiness, headache, gastrointestinal disturbances, skin rash, and liver function abnormalities; consultation with a healthcare professional is needed for any unusual symptoms. It is advisable to discontinue this medication before allergy testing and to exercise caution when driving or operating machinery. Taking this medication with food does not significantly affect the amount absorbed, although the rate of absorption may be somewhat delayed. Finally, store this medication out of reach of children and keep it tightly closed in its original container.

Serious side effects

Hives, severe swelling (edema), chest tightness, difficulty breathing, cold sweat, pallor, severe allergic reactions, severe rashes with high fever, blisters, skin peeling, pain in mucous membranes of mouth/eyes, severe skin adverse reactions, shortness of breath or respiratory difficulty, asthma attacks, respiratory issues accompanying cough and fever, breathing problems, yellowing of skin or eyes (jaundice), profound lethargy, liver dysfunction (jaundice), sudden

Mild side effects

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

Drug interactions

Do not take this medication with theophylline or ritonavir.

Food interactions

Do not take this medication with excessive amounts of alcohol.

This medication may be sensitive to air or moisture; store it in a tightly sealed container. The appropriate storage temperature is room temperature between 1 to 30 degrees Celsius, avoiding excessively hot or cold environments.

Appearance

White, oblong film-coated tablets

Package unit

10 tablets/box [(10 tablets/PTP x 1)]