SALT INFORMATIONEtofylline (50mg/5mL) TYPICAL USAGE asthma, bronchitis, emphysema SIDE EFFECTS Nausea, stomach upset, skin rash, acute toxicity. DRUG INTERACTION Do not start or stop any medicine without doctor or pharmacist's approval. MECHANISM OF ACTION Etofylline nicotinate is a vasodilator Terbutaline(1.25mg) TYPICAL USAGE Asthma, bronchitis, emphysema, obstructive airway disease, oedema, oliguria due to renal failure, premature labour, uncomplicated premature labor. SIDE EFFECTS Ventricular tachycardia, headache, anxiety, palpitation, tremors, muscle cramps. DRUG INTERACTION Terbutaline is known to interact with other drugs like bendrofluazide, frusemide or furosemide, metipranolol, pancuronium (Br), theophylline. Always consult your physician for the change of dose regimen or an alternative drug of choice that may strictly be required. MECHANISM OF ACTION Terbutaline stimulates beta-adrenergic receptors of intracellular adenyl cyclase, the enzyme that catalyzes the conversion of adenosine triphosphate (ATP) to cyclic- 3',5'- adenosine monophosphate (c-AMP). Increased c-AMP levels are associated with relaxation of bronchial smooth muscle and inhibition of release of mediators of immediate hypersensitivity from cells, especially from mast cells.