spec sheet5 rows
Levocetirizine is the active enantiomer of cetirizine, a peripherally selective H1 antihistamine taken once daily for allergic rhinitis and chronic urticaria.
- The active enantiomer of cetirizine, refined and potent
- One dose a day for allergic rhinitis
- Poor brain penetration means less sedation
- A solid option for chronic urticaria too
- Peripherally selective H1 antihistamine, widely available generic
Mechanism
It is an inverse at the H1 receptor, holding the receptor in its inactive state rather than merely competing with histamine, and it enters the brain poorly, which is why it sedates less than the older agents. Cetirizine is a racemate of this molecule and its far less active mirror image, so 5 mg of levocetirizine is roughly equivalent to 10 mg of cetirizine.
Safetyrisks and cautions, not medical advice
Levocetirizine is a single molecule in the antihistamine class. A full adverse effect profile has not been compiled for this entry yet, so nothing here should be read as evidence that it is well tolerated; the absence is missing work rather than a finding. What is documented is what the compound is and what it is used for.
Subjective profileweighing the evidence above
Buying the single enantiomer instead of cetirizine is a pharmacological refinement of almost no practical size; the racemate delivers the same relief and usually costs less. What earns this family its place is once daily dosing plus poor brain penetration, and levocetirizine has both. Sedation is still the thing people underestimate, because the non sedating label describes a class average rather than any particular person.
Where to buy
1 other outlet
Suppliers
Vendors carrying Levocetirizine, with live product details and codes. Links are affiliate links that support the wiki at no cost to you.
RUPharma🌐
Levocetirizine
RUPharma🌐
Levocetirizine