Efelin PD Syrup
Salbutamol + Theophylline
Indoco Remedies Ltd.
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Indications
Efelin PD Syrup is used for:
Chronic bronchitis; Emphysema; Asthma
Adult Dose
Oral
Chronic bronchitis; Emphysema; Asthma
Adult: Per tab contains salbutamol 2 mg and theophylline 100 mg: 1 or 2 tab 3-4 times daily.
Child Dose
Oral
Chronic bronchitis; Emphysema; Asthma
Child: Child (under 6 yrs) salbutamol (0.5-1mg) + theophylline (25-50mg) t.i.d/q.i.d.
SR (S 4mg+T 300mg) 1 tab b.i.d.
Renal Dose
Administration
Contra Indications
Hypersensitivity, thyrotoxicosis.
Precautions
History of peptic ulcer and convulsive disorders, hepatic impairment, cardiac failure, hypertension, arrhythmias, diabetes mellitus,patients on MAOIs or tricyclic antidepressants, pulmonary oedema, hyperthyroidism, high fever, neonates and infants, pregnancy, lactation.
Pregnancy-Lactation
Interactions
Increased theophylline toxicity with propranolol, cimetidine, erythromycin (7-5 days), quinolone antibiotics. Reduced efficacy with rifampicin, phenobarbitone, phenytoin, carbamazepine, sulfinpyrazone and smoking. Increased risk of hypokalaemia with diuretics.
Potentially Fatal: With anaesthetics, pancuronium bromide and sympathomimetics (increased risk of arrhythmias).
Adverse Effects
Side effects of Salbutamol + Theophylline :
Seizures, tremor, muscle cramps, palpitation, hypokalaemia, headache, anorexia, nausea, anxiety, irritability, insomnia, rarely rash and angioedema.
Potentially Fatal: Arrhythmias including premature ventricular contractions.
Mechanism of Action
Salbutamol is a selective beta2-agonist. It causes bronchial smooth muscle relaxation via the cyclic adenyl cyclase (cAMP) system.
Theophylline is a phosphodiesterase inhibitor. It enhances intracellular cAMP conc thereby contributing to bronchial smooth muscle relaxation. It also suppresses airway hyper-response to stimuli. Advantage of this combination is the additive effect allowing reduction of individual doses.
Note
Efelin PD Syrup manufactured by Indoco Remedies Ltd.. Its generic name is Salbutamol + Theophylline. Efelin PD is availble in Nepal.
Farmaco Nepal drug index information on Efelin PD Syrup is not intended for diagnosis, medical advice or treatment; neither intended to be a substitute for the exercise of professional judgment.