Doxoma Syrup 100 mg/5 ml

৳ 80.00

Drug International Limited

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Description

Doxophylline

Indications

Doxophylline is used to treat asthma, COPD and bronchospasm.

Therapeutic Class

Methyl xanthine derivatives

Pharmacology

Doxophylline is a novel bronchodilator. It structurally differs from Theophylline due to the presence of a dioxolane group in position 7.

Doxophylline selectively inhibits phosphodiesterase 4 thereby relaxes bronchial smooth muscle. However, differently from Theophylline, Doxophylline appears to have decreased affinities toward adenosine A1 and A2 receptors, which may account for the better safety profile of the drug. Doxophylline is reported to inhibit platelet activating factor (PAF) and generation of leukotriene production.

Dosage & Administration

Adult: 400 mg daily in the evening. However, in certain cases, 400 mg twice daily is recommended on the basis of the clinical response. Doses as high as 1200 mg/day (400 mg 3 times daily) may also be prescribed. In elderly patients with concomitant cardiovascular, hepatic and renal diseases recommended dosage should be 200 mg twice daily.

Children (above 6 years of age): The recommended dosage of Doxophylline is 6 mg/kg twice daily. The dose may be increased up to 18 mg/kg daily on the basis of clinical response.

Dosage Type: 6 mg/kg b.i.d

Weight of the Child: 10 kg > Dosage: 3 ml
Weight of the Child: 15 kg > Dosage: 4.5 ml
Weight of the Child: 20 kg > Dosage: 6 ml
Weight of the Child: 25 kg > Dosage: 7.5 ml
Weight of the Child: 30 kg > Dosage: 9 ml
Weight of the Child: 35 kg > Dosage: 10.5 ml
Weight of the Child: 40 kg > Dosage: 12 ml

Interaction

Doxophylline should not be administered together with other xanthine derivatives. Toxic synergism with ephedrine has been documented for xanthines. Like other xanthines, concomitant therapy with erythromycin, troleandomycin, lincomycin, allopurinol, cimetidine, ranitidine, propranolol and anti-flu vaccine may decrease the hepatic clearance of xanthines causing an increase in blood levels.

Contraindications

This is contraindicated for individuals who have shown hypersensitivity to Doxofylline and its components. It is also contraindicated in patients with acute myocardial infarction, hypotension, and in lactating women.

Side Effects

Patients treated with Xanthine derivatives may suffer nausea, vomiting, epigastric pain, headache, irritability, insomnia, tachycardia, extrasystoles, tachypnea, and in rare cases, hyperglycemia or albuminuria.

Pregnancy & Lactation

Use in pregnancy: Animal reproduction studies indicate that Doxophylline does not cause fetal harm when administered to pregnant animals nor can affect reproduction capacity. However, since there is limited experience in human during pregnancy, Doxophylline should be given to pregnant women only if clearly needed.

Use in nursing mothers:
 Doxophylline is contraindicated in nursing mothers.

Precautions

Use with caution in patients with hypoxemia, hyperthyroidism, liver disease, renal disease, in those with history of peptic ulcer and in elderly. Frequently, patients with Congestive Heart Failure (CHF) have markedly prolonged drug serum levels following discontinuation of Doxofylline.

Overdose Effects

In case of overdose severe cardiac arrhythmias and tonic-clonic seizure may occur. These effects may represent the first signs of intoxication. The appearance of side effects may require discontinuation of the treatment which, if necessary, at the physician’s discretion, may be resumed at lower doses after all signs and symptoms of toxicity have subsided.

As there is no specific antidote, in case of overdose a symptomatic treatment of cardiovascular collapse should be instituted.

Storage Conditions

Store at room temperature (not exceeding 25°C). Store in cool and dry place, protected from light.
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