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Uses

• • Acute and chronic diseases of respiratory tracts associated with viscid mucus including acute and chronic bronchitis
• • Productive cough
• • Inflammatory diseases of Rhinopharyngeal tract (e.g. Laryngitis, Pharyngitis, Sinusitis and Rhinitis) associated with viscid mucus
• • Asthmatic bronchitis, Bronchial asthma with difficult departure of mucus
• • Bronchiectasis
• • Chronic pneumonia.

Levocetirizine Dihydrochloride is used for the treatment of symptoms associated with allergic conditions such as seasonal allergic rhinitis, perennial allergic rhinitis and chronic idiopathic urticaria.

Pseudoephedrine is an alpha and beta adrenergic agonist used to treat nasal and sinus congestion, as well as allergic rhinitis.

Pseudoephedrine is a sympathomimetic amine used for its decongestant activity.

Alzene Ad is also used to associated treatment for these conditions: Airway secretion clearance therapyAllergic Rhinitis (AR), Chronic Idiopathic Urticaria, Common Cold, Nasal Congestion, Perennial Allergic Rhinitis (PAR), Seasonal Allergic RhinitisAllergic Rhinitis (AR), Allergies, Common Cold, Common Cold Associated With Cough, Common Cold/Flu, Cough, Cough caused by Common Cold, Eye allergy, Fever, Flu caused by Influenza, Headache, Irritative cough, Nasal Allergies, Nasal Congestion, Nasal Congestion caused by Common Cold, Pain, Perennial Allergy, Priapism, Respiratory Allergy, Rhinorrhoea, Seasonal Allergic Rhinitis, Seasonal Allergies, Sinus Congestion, Sinusitis, Sneezing, Sore Throat, Symptoms of Acute Bronchitis Accompanied by Coughing, Throat irritation, Upper Respiratory Tract Infection, Upper respiratory tract congestion, Upper respiratory tract signs and symptoms, Dry cough, Minor aches and pains, Sinus pain, Watery itchy eyes, Airway secretion clearance therapy

How Alzene Ad works

Ambroxol is a mucolytic agent. Excessive Nitric oxide (NO) is associated with inflammatory and some other disturbances of airways function. NO enhances the activation of soluble guanylate cyclase and cGMP accumulation. Ambroxol has been shown to inhibit the NO-dependent activation of soluble guanylate cyclase. It is also possible that the inhibition of NO-dependent activation of soluble guanylate cyclase can suppress the excessive mucus secretion, therefore it lowers the phlegm viscosity and improves the mucociliary transport of bronchial secretions.

Levocetirizine selectively inhibits histamine H₁ receptors. This action prevents histamine from activating this receptor and causing effects like smooth muscle contraction, increased permeability of vascular endothelium, histidine uptake in basophils, stimulation of cough receptors, and stimulation of flare responses in the nervous system.

Pseudoephedrine acts mainly as an agonist of alpha adrenergic receptors and less strongly as an agonist of beta adrenergic receptors.[A10896] This agonism of adrenergic receptors produces vasoconstriction which is used as a decongestant and as a treatment of priapism. Pseudoephedrine is also an inhibitor of norepinephrine, dopamine, and serotonin transporters.

The sympathomimetic effects of pseudoephedrine include an increase in mean arterial pressure, heart rate, and chronotropic response of the right atria. Pseudoephedrine is also a partial agonist of the anococcygeal muscle. Pseudoephedrine also inhibits NF-kappa-B, NFAT, and AP-1.

Dosage

Alzene Ad dosage

Average daily dose (preferably after meal):Pediatric Drops:

• 0-6 months: 0.5 ml 2 times a day
• 6-12 months: 1 ml 2 times a day
• 1-2 years: 1.25 ml 2 times a day

Syrup:

• 2-5 years: 2.5 ml (1/2 teaspoonful) 2-3 times a day
• 5-10 years: 5 ml (1 teaspoonful) 2-3 times a day
• 10 years and adults: 10 ml (2 teaspoonful) 3 times a day.

Sustained release capsule:

• Adult and children over 12 years old: 1 capsule once daily

Specific application features: Ambroxol may be prescribed to patients suffering from diabetes mellitus.

Adults and children 12 years of age and older: 5 mg once daily in the evening

Children 6 to 11 years of age: 2.5 mg once daily in the evening

Children 6 months to 5 years of age: 1.25 mg (1/2 teaspoon oral solution) once daily in the evening

Renal Impairment: Adjust the dose in patients 12 years of age and older with decreased renal function

Side Effects

Gastrointestinal side-effects like epigastric pain, gastric fullness may occur occasionally. Rarely allergic responses such as eruption, urticaria or angioneurotic edema may occur.

The most common adverse reactions (rate ≥2% and > placebo) were somnolence, nasopharyngitis, fatigue, dry mouth, and pharyngitis in subjects 12 years of age and older, and pyrexia, somnolence, cough, and epistaxis in children 6 to 12 years of age. In subjects 1 to 5 years of age, the most common adverse reactions (rate ≥2% and > placebo) were pyrexia, diarrhea, vomiting, and otitis media. In subjects 6 to 11 months of age, the most common adverse reactions (rate ≥3% and > placebo) were diarrhea and constipation.

Toxicity

Patients experiencing an overdose may present with drowsiness. Children may become agitated and restless before drowsiness. Patients should be treated with supportive measures. Dialysis will not assist in removing the drug from the body.

The maximal nonlethal dose in mice and rats is 240mg/kg.

The oral LD₅₀ of pseudoephedrine is 2206mg/kg in rats and 726mg/kg in mice.

Patients experiencing an overdose of pseudoephedrine may present with giddiness, headache, nausea, vomiting, sweating, thirst, tachycardia, precordial pain, palpitations, difficulty urinating, muscle weakness, muscle tension, anxiety, restlessness, insomnia, toxic psychosis, cardiac arrhythmias, circulatory collapse, convulsions, coma, and respiratory failure. Treat overdose with symptomatic and supportive treatment including removal of unabsorbed drug.

Precaution

Ambroxol should be given cautiously to patients with gastric and duodenal ulceration or convulsive disorders. Patients with hepatic and renal insufficiency should take it with caution.

Epileptic patients and patients at risk of convulsions. Renal impairment. Pregnancy and lactation.

Interaction

Ambroxol has no interaction with cardioactive glycosides, corticosteroids, bronchodilators, diuretics and antibiotics (normally used in the treatment of bronchopulmonary affections). But Ambroxol should not be taken simultaneously with antitussives (e.g. Codeine) because mucus, which has been liquefied by Ambroxol, might not be expectorated.

Volume of Distribution

The volume of distribution of levocetirizine is 0.33±0.02L/kg.

The apparent volume of distribution of pseudoephedrin is 2.6-3.3L/kg.

Elimination Route

Rapid and almost complete.

Following a 5mg oral dose of levocetirizine, a C_max of 0.27±0.04µg/mL with a T_max of 0.75±0.50h. The AUC of levocetirizine is 2.31±0.50µg*h/mL. Taking levocetirizine with food does not affect the AUC but delays T_max by 1.25 hours and lowers C_max by 36%.

A 240mg oral dose of pseudoephedrine reaches a C_max of 246.3±10.5ng/mL fed and 272.5±13.4ng/mL fasted, with a T_max of 6.60±1.38h fed and 11.87±0.72h fasted, with an AUC of 6862.0±334.1ng*h/mL fed and 7535.1±333.0ng*h/mL fasted.

Half Life

7-12 hours

The average half life of levocetirizine is 7.05±1.54 hours.

The mean elimination half life of pseudoephedrine is 6.0h.

Clearance

The average clearance of levocetirizine is 0.57±0.18mL/min/kg.

A 60mg oral dose of pseudoephedrine has a clearance of 5.9±1.7mL/min/kg.

Elimination Route

168 hours post dose an average of 85.4% of a radiolabeled dose was recovered with an average of 80.8% in the urine and 9.5% in the feces. In the urine, 77% of the dose was recovered as unchanged drug, 0.5% as the M8 and M9 metabolites, 0.4% as the M10a metabolite, 0.4% as the M10b metabolite, 0.3% as the M3 metabolite, 0.3% as the M4 and M5 metabolite, 0.2% as the M2 metabolite, and 0.1% as the M1 metabolite. In the feces, 9.0% of the dose was recovered as unchanged drug, 1.0% as the M4 and M5 metabolite, and 0.1% as the M1 metabolite.

55-75% of an oral dose is detected in the urine as unchanged pseudoephedrine.

Pregnancy & Breastfeeding use

Pregnancy: Teratogenic and fetal toxicity studies have shown no harmful effect of Ambroxol. However, it is advised not to use during pregnancy, especially in the 1st trimester.

Lactation: Safety during lactation has not been established.

Pregnancy: The safety of Levocetirizine in pregnancy has not been established. Therefore, it should be used with caution during pregnancy and only if the potential benefits to the mother outweigh any risks to the foetus.

Lactation: Levocetirizine passes into breast milk. So, it should be used with caution in nursing mothers and only if the expected benefit to the mother is greater than the risk to the nursing infant.

Contraindication

Contraindicated in known hypersensitivity to Ambroxol or Bromhexine.

It is contraindicated in patients who are hypersensitive to this medication or to any of its ingredients.

Special Warning

Paediatric use: Not recommended for use in children less than 6 years of age.

Acute Overdose

Symptoms: Drowsiness, agitation, restlessness, confusion, diarrhoea, dizziness, fatigue, headache, malaise, mydriasis, pruritus, sedation, somnolence, stupor, tachycardia, tremor and urinary retention.

Management: Symptomatic and supportive treatment. Gastric lavage must be considered shortly following ingestion.

Storage Condition

Store between 20-25°C.

Innovators Monograph

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