Levocetirizin Ratiopharm (Levocetirizine Dihydrochloride)

Levocetirizine selectively binds to peripheral H1 histamine receptors, preventing histamine from triggering the cascade that leads to vasodilation, increased vascular permeability, and nerve stimulation. This blockade reduces the classic allergic symptoms of itching, swelling, and mucus production.

The exact dose is determined by the prescribing clinician based on the patient’s age, weight, renal function and severity of symptoms. In adults, a common regimen is a once‑daily tablet, but the prescriber may adjust the amount or frequency as needed.

Safety data in pregnancy and lactation are limited. The drug should only be used if the potential benefit justifies any possible risk to the fetus or infant. Healthcare providers will evaluate individual circumstances before prescribing to pregnant or nursing women.

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Levocetirizin is the active enantiomer of cetirizine, offering similar efficacy with a slightly lower incidence of sedation for many patients. Compared with first‑generation antihistamines, it has minimal anticholinergic effects and a reduced risk of drowsiness, making it preferable for daytime use.

Store the tablets at room temperature, below 25 °C, in the original container to protect them from moisture and light. Keep the product out of reach of children and do not use after the expiry date printed on the packaging.

Levocetirizin is taken orally, usually as a single tablet swallowed whole with a glass of water. It may be taken with or without food, according to the prescriber’s instructions, and should be taken at the same time each day for consistent effect.

Although rare, serious adverse reactions can include angioedema, anaphylaxis, severe skin reactions such as Stevens‑Johnson syndrome, and significant changes in liver enzymes or blood counts. Patients should seek immediate medical attention if they notice swelling of the face or throat, rash, or unexplained fatigue.

Levocetirizin should be avoided in individuals with known hypersensitivity to levocetirizine or any of its excipients. Caution is advised for patients with severe renal impairment, uncontrolled hepatic disease, or those taking interacting medications that could increase the risk of sedation or toxicity.