Levocetirizine

Levocetirizine is the active enantiomer of cetirizine. It is highly selective for H1 receptors and is known for being effective at lower doses with minimal sedation.

Dosage by Body Weight

Commonly used in children 6 months and older. Dosing is typically half that of standard cetirizine.

Body Weight
6-11 kg (Age 6m-5y)
Dose
1.25 mg
Frequency
Once daily (evening)
Tracking Notes
Oral solution is preferred for accurate dosing.
Body Weight
12-25 kg (Age 6-12y)
Dose
2.5 mg
Frequency
Once daily (evening)
Tracking Notes
May be increased to 5 mg only under medical advice.

Weight-based dosage tracking table for Levocetirizine, including body weight, dose, frequency, and tracking notes.
Body Weight	Dose	Frequency	Tracking Notes
6-11 kg (Age 6m-5y)	1.25 mg	Once daily (evening)	Oral solution is preferred for accurate dosing.
12-25 kg (Age 6-12y)	2.5 mg	Once daily (evening)	May be increased to 5 mg only under medical advice.

Formulation

TabletSyrup

Purpose

Third-generation antihistamine used for allergic rhinitis and chronic hives.

Generic Name

Levocetirizine Dihydrochloride

Branded Drug Names

Levocetirizine is listed as a generic drug name. Common branded medicines that may contain the same active ingredient include:

Scheduled Drug

No. This medicine is generally not treated as a scheduled/prescription-only drug in common consumer references, but local rules may vary.

Alternatives

Cetirizine Fexofenadine Loratadine

Safety Advice

Alcohol

CAUTION

Levocetirizine: Alcohol may increase dizziness, stomach upset, dehydration, or other side effects. Avoid or limit alcohol and follow medical advice.

Pregnancy

SAFE IF PRESCRIBED

Levocetirizine: Use during pregnancy only if prescribed after a healthcare provider weighs the benefits and risks.

Breast Feeding

SAFE IF PRESCRIBED

Levocetirizine: Use while breastfeeding only with healthcare provider guidance, especially for repeated or long-term treatment.

Driving

CAUTION

Levocetirizine: This medicine may cause dizziness, drowsiness, weakness, or blurred vision in some people. Avoid driving if affected.

Liver

CAUTION

Levocetirizine: Use with caution in liver disease and consult your healthcare provider if you have abnormal liver tests or jaundice.

Kidney

CAUTION

Levocetirizine: Use with caution in kidney disease because dose adjustment or monitoring may be needed for some patients.