Product Description
Cetirizine hydrochloride (HCL) is an antihistamine used to relieve allergy symptoms such as watery eyes, runny nose, itching eyes/nose, sneezing, hives, and itching. It works by blocking histamine, a substance in the body that causes allergic symptoms. Here are some key points about cetirizine HCL:
Uses
- Allergy Relief: Treats symptoms of hay fever (allergic rhinitis) and other upper respiratory allergies.
- Chronic Urticaria: Manages symptoms of chronic hives (itchy skin rashes).
How It Works
- Mechanism: Blocks histamine H1 receptors, preventing histamine from causing allergy symptoms.
- Dosage and Administration
- Forms: Available in tablets, chewable tablets, and syrup.
Typical Dosage:
- Adults and children over 6 years: 10 mg once daily.
- Children 2-6 years: 5 mg once daily or 2.5 mg twice daily.
Side Effects
- Common side effects include drowsiness, fatigue, and dry mouth.
- Less common side effects can include dizziness, stomach pain, and increased appetite.
Precautions
- Drowsiness: May cause drowsiness; caution when driving or operating heavy machinery.
- Alcohol: Avoid alcohol, as it can increase drowsiness.
- Pregnancy and Breastfeeding: Consult a doctor before use.
Interactions
- Cetirizine can interact with other medications, such as sedatives, muscle relaxants, and certain antidepressants, increasing drowsiness.
Overdose
- Symptoms of overdose may include extreme drowsiness. Seek immediate medical attention in case of an overdose.
Storage
- Store at room temperature away from moisture and heat.