Lenil Antiprurito

Promethazine, the active ingredient in Lenil Antiprurito, is a first‑generation antihistamine presented as a topical preparation for skin application. It is used to relieve itching and allergic skin reactions by blocking histamine activity at peripheral H1 receptors. The formulation is intended for external use on affected areas to provide symptomatic relief.

GNH USA supplies Lenil Antiprurito as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide. The company adheres to stringent quality standards and provides regulatory documentation for cross‑border distribution.

Promethazine is employed as a topical antihistamine to manage conditions involving histamine‑mediated skin irritation.

Pruritus: Reduces itch intensity and duration associated with various dermatologic conditions. Allergic skin reactions: Alleviates redness, swelling, and discomfort caused by contact allergens. Insect bite irritation: Provides symptomatic relief from itching and inflammation following insect bites.

Topical promethazine may cause a range of adverse reactions, varying from mild to severe.

Common Side Effects: - Skin irritation: mild redness or burning at the application site. - Dryness: localized skin dryness or flaking. - Drowsiness: mild sedation when absorbed systemically. - Headache: occasional mild headache.

Serious or Rare Side Effects: - Severe allergic reaction: hives, swelling, or anaphylaxis requiring immediate medical attention. - Contact dermatitis: intense rash or blistering at the site of application. - Cardiac arrhythmia: rare reports of irregular heartbeat, especially with extensive use.

When using Lenil Antiprurito, consider the following safety measures to minimize risk.

Avoid use on broken skin: apply only to intact epidermis to reduce systemic absorption. Limit exposure: do not exceed the prescribed area or frequency to prevent toxicity. Monitor for sedation: be cautious when operating machinery if systemic effects occur. Pregnancy and lactation: consult a healthcare professional before use, as safety data are limited. Store below 25°C: keep in the original container, protect from moisture and light.

Promethazine can interact with several medicines, altering its efficacy or safety profile.

Major Interactions (Avoid): - Central nervous system depressants (e.g., benzodiazepines, opioids): may enhance sedation and respiratory depression. - Monoamine oxidase inhibitors (MAOIs): concurrent use can increase the risk of hypertensive crisis.

Moderate Interactions (Monitor Closely): - Anticholinergic drugs (e.g., diphenhydramine, atropine): additive anticholinergic effects may cause dry mouth, urinary retention. - Alcohol: may intensify drowsiness and impair coordination. - Other antihistamines: combined use can increase sedation without added benefit.