Medication info
Shirozeno Soft Capsule (Cetirizine Hydrochloride)

Shirozeno Soft Capsule (Cetirizine Hydrochloride)

OTC medicationSoft capsule경구
Ingredient · strength
Cetirizine Hydrochloride›10mg / 1 capsule
Manufacturer / importer
현대약품(주)
Appearance
Purple transparent oval soft capsule containing a colorless to light purple substance
Packaging
10 capsules/PTP [10 capsules (10 capsules/PTP * 1)]
Approval status
Active

MFDS item code 202000062 · Notified 2020.01.06

Summary

Main use
Relief of symptoms such as allergic rhinitis and conjunctivitis, chronic urticaria
Who takes it
Adults · Children
Adult dose
Adults and children aged 6 and above should take 10mg of cetirizine hydrochloride once daily before bedtime. Patients sensitive to side effects may take 5mg in the morning and evening (only for tablets and oral solutions). Dosage should be adjusted based on age, symptoms, and renal function. For patients with renal impairment, dosage should be adjusted based on creatinine clearance as follows: - Normal (≥80 mL/min): once daily, 10 mg -
Child dose
Children aged 6 and older should take 10mg of cetirizine hydrochloride once a day before bedtime, the same as adults. For pediatric patients with renal impairment, the dosage should be individually adjusted based on the patient's renal clearance and weight.

Ingredients

Manufacturer
현대약품(주)

Efficacy & effects

Relief of symptoms such as allergic rhinitis and conjunctivitis, chronic urticaria

  • Seasonal allergic rhinitis
  • perennial allergic rhinitis
  • allergic conjunctivitis
  • chronic idiopathic urticaria
  • skin pruritus
View approved original text

This medication is used to effectively treat seasonal and perennial allergic rhinitis, allergic conjunctivitis, chronic idiopathic urticaria, and skin itching such as pruritus.

How to take

Adult dose

Adults and children aged 6 and above should take 10mg of cetirizine hydrochloride once daily before bedtime. Patients sensitive to side effects may take 5mg in the morning and evening (only for tablets and oral solutions). Dosage should be adjusted based on age, symptoms, and renal function. For patients with renal impairment, dosage should be adjusted based on creatinine clearance as follows: - Normal (≥80 mL/min): once daily, 10 mg -

Child dose

Children aged 6 and older should take 10mg of cetirizine hydrochloride once a day before bedtime, the same as adults. For pediatric patients with renal impairment, the dosage should be individually adjusted based on the patient's renal clearance and weight.

Precautions

This medication should not be taken by patients who are allergic to certain ingredients or have severely impaired kidney function, as well as by children under the age of 6. It is important not to take this medication with certain other drugs. For example, concurrent use with drugs that can interact such as theophylline or ritonavir may alter the blood concentration of this medication. Additionally, excessive alcohol consumption should be avoided while taking this medication. Using alcohol together may exacerbate side effects such as drowsiness or decreased concentration. Patients with kidney or liver issues, or the elderly, may face increased risks of side effects due to the prolonged presence of this medication in the body, so it is essential to consult with a doctor or pharmacist before use. Patients with epilepsy or at risk of seizures should also take caution before using this medication. This medication can affect urine output, so individuals with conditions leading to poor urination should be cautious. Women who are pregnant or breastfeeding should also consult a healthcare professional before taking this medication. In particular, during breastfeeding, this medication can be secreted into breast milk and affect the baby. If any adverse reactions occur during use, stop taking the medication immediately and consult a doctor or pharmacist. In case of overdose, central nervous system symptoms or problems with urination may occur, and because there is no specific antidote, treatment according to symptoms is required. It is recommended to suspend this medication for a certain period before allergy testing. Caution should be exercised while driving or operating machinery, as drowsiness or decreased concentration may occur. Finally, this medication should be stored out of reach of children and kept in its original container to maintain its safety and efficacy.

Side effects and when to seek care immediately

Serious side effects

Hives, severe swelling (edema), chest tightness, difficulty breathing, cold sweat, pallor, severe allergic reactions, severe rash with high fever, blisters, peeling skin, pain in oral/eye mucosa, severe skin reactions, shortness of breath or difficulty breathing, asthma attacks, breathing difficulties accompanied by cough and fever, respiratory problems, yellowing of skin or eyes (jaundice), extreme lethargy, liver abnormalities (jaundice), sudden and

Mild side effects

  • Confusion
  • diarrhea
  • dizziness
  • fatigue
  • headache
  • malaise
  • pupil dilation
  • itching
  • anxiety
  • sedation
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  • drowsiness
  • stupor
  • rapid heartbeat
  • trembling
  • urinary retention
  • sleepiness
  • occasional malaise
  • numbness
  • weakness
  • sensory disturbances
  • light and transient drowsiness
  • heaviness in the head
  • excitement
  • convulsions
  • movement disorders
  • muscle tension abnormalities
  • fainting
  • aggressiveness
  • depression
  • hallucinations
  • insomnia
  • tics
  • amnesia
  • memory impairment
  • suicidal thoughts
  • nightmares
  • dry mouth
  • chapped lips

Not everyone experiences these, and they can vary from person to person.

Interactions

Drug interactions

Do not take this medication with theophylline or ritonavir.

Food interactions

Do not take this medication with excessive alcohol.

Storage

This medication must be stored in a tightly closed container to protect it from air and moisture. It is important to maintain a storage temperature between 1 degree and 30 degrees Celsius. This will help maintain the medication's effectiveness and safety over time.

Appearance and packaging

Appearance

Purple transparent oval soft capsule containing a colorless to light purple substance

Package unit

10 capsules/PTP [10 capsules (10 capsules/PTP * 1)]

Same-ingredient medicines

Even with the same ingredient, strength, dosage form and how it is taken can differ.

Even with the same ingredient, the dose and directions can differ by strength and dosage form. Talk to a doctor or pharmacist before switching from a medication you are already taking.

Questions about this medicine

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For anything that needs medical judgment, consult a doctor or pharmacist.

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This drug information is based on data provided by the Korea Ministry of Food and Drug Safety.
Consult a doctor or pharmacist for accurate dosage, administration, and usage instructions.