Zyrtec
Cetirizine
Ingredients & Drug Type
Zyrtec is listed as Antihistamine containing Cetirizine. A medicine used according to its active ingredient, dosage form, and the patient’s condition.
- Active ingredient
- Cetirizine
- Therapeutic class
- Antihistamine
- Dosage form
- Tablet
- Strength
- 10mg
Dosing
- Pediatric
- 2.5mg (6 شهور–2 سنة) – 5mg (2–6 سنوات) – 10mg (>6 سنوات)Min age: 6 شهور
- Frequency
- مرة يومياً
- Duration
- حسب الحاجة
- Route
- oral
- Common catalog dose: 10mg.
- Frequency: مرة يومياً.
- Typical duration: حسب الحاجة.
- Route: oral.
- The final dose depends on diagnosis, age, weight, kidney/liver function, pregnancy status, and other medicines.
- Use the dose written by your doctor or pharmacist; this page is educational and not a personal prescription.
Instructions: مع أو بدون طعام، يفضل مساءً
Medical Overview
Zyrtec is listed as Antihistamine containing Cetirizine. A medicine used according to its active ingredient, dosage form, and the patient’s condition.
Zyrtec (cetirizine) is the world’s leading second-generation antihistamine — once-daily 24-hour relief for allergic rhinitis and urticaria, fast onset (<1h), minimal drug interactions (no meaningful CYP450 passage). Mild drowsiness in ~10%: trial your first dose in the evening. Renally cleared — reduce dose in kidney impairment.
Uses / Indications
- Seasonal and chronic allergies
- urticaria
- allergic rhinitis
- Used for indications selected by a clinician or pharmacist based on diagnosis and the official leaflet.
Side Effects
- Drowsiness
- dry mouth
- headache
- Side effects vary by active ingredient, dose, and patient factors.
Contraindications
- حساسية سابقة له أو للهيدروكسيزين (أبوه الكيميائي)
- وقصور كلوي متقدم يستوجب خفض جرعة (يُطرح كلوياً). الحمل: من الخيارات الأكثر دراسة وأماناً بعائلته عند الحاجة وبموافقة الطبيب.
- Previous allergy to the active ingredient or any component.
Warnings
- حساسية الأنف المزمنة لا تُدار بقرص فقط: غسول أنفي ملحي وبخاخ كورتيزوني أنفي عند الاستمرار يرفعان النتيجة درجات. شرى متكرر فوق 6 أسابيع يستحق تقييماً لا علباً متعاقبة. حكة مع تورم شفاه أو ضيق نفس = طوارئ (حساسية جهازية). استشر اختصاصي حساسية عبر كلينكس جو.
- Do not start, stop, or change dose without medical advice, especially during pregnancy or chronic disease.
Drug Interactions
- قليلها لطيف: الكحول والمهدئات تعمّق نعاسه
- والثيوفيلين قد يرفعه قليلاً. لا صدامات إنزيمية تُذكر (لا يمر بـCYP450 بشكل معتد) — ميزة أمان لقوائم الأدوية الطويلة.
- Tell your clinician or pharmacist about all medicines, supplements, and herbs you use.
Patient Guidance
- Read the patient leaflet.
- Use only as prescribed.
- Ask a pharmacist if anything about use is unclear.
Before Using This Medicine
Tell your clinician before use if you have
- Any previous allergy to this medicine, its class, or any ingredient.
- Pregnancy, breastfeeding, planned pregnancy, or fertility treatment.
- Kidney, liver, heart, stomach ulcer, bleeding, epilepsy, or chronic disease history.
- Regular medicines, supplements, herbal products, or alcohol use.
Seek urgent care if you notice
- Breathing difficulty, face or throat swelling, severe rash, fainting, or chest pain.
- Severe diarrhea, black stools, vomiting blood, yellow eyes, confusion, or unusual bleeding.
- Any symptom that feels severe, new, or rapidly worsening after taking the medicine.
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Storage & Manufacturer
- Storage:
- Store at room temperature away from heat, moisture, and direct sunlight unless the package label says otherwise.
Trusted Medical Sources
Use these references to verify official labeling, patient information, therapeutic class, dosing cautions, contraindications, and safety updates.
Common Questions
What is Zyrtec?
Zyrtec contains Cetirizine and is categorized as Antihistamine. Its exact use depends on diagnosis and the official product label.
What is the dose of Zyrtec?
Catalog dosing information includes: 10mg. The personal dose must be confirmed by a doctor or pharmacist.
What warnings matter before using Zyrtec?
Check allergies, pregnancy or breastfeeding, chronic disease, and all current medicines before use. Seek urgent care for severe allergy or rapidly worsening symptoms.
How should Zyrtec be stored?
Store at room temperature away from heat, moisture, and direct sunlight unless the package label says otherwise.