It can relax bronchial smooth muscles, shrink bronchial mucosal blood vessels, reduce congestion and edema, and improve airway obstruction.

It is a mucosal protective antitussive drug that can cover the inflamed pharyngeal mucosa to reduce the stimulation of local sensory nerve endings, thereby exerting an antitussive effect.

The amygdalin contained in almonds has a cough suppressant effect

Can clear away heat and purge fire

Sodium chloride is an electrolyte supplement. Sodium and chloride are important electrolytes in the body, mainly present in extracellular fluid, and play a very important role in maintaining normal blood and extracellular fluid volume and osmotic pressure. The normal serum sodium concentration is 135-145mmol/L, accounting for 92% of plasma cations and 90% of total osmotic pressure, so the amount of plasma sodium plays a decisive role in osmotic pressure. The normal serum chloride concentration is 98-106mmol/L. Sodium and chloride ions in the human body are mainly regulated by the hypothalamus, posterior pituitary and kidneys to maintain the stability of body fluid volume and osmotic pressure.

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The effect on water and electrolyte excretion is basically the same as furosemide, and its diuretic effect is 20 to 60 times that of furosemide. It mainly inhibits the active reabsorption of NaCl by the thick wall segment of the ascending limb of the renal tubular loop of Henle, and also inhibits the reabsorption of Na+ in the proximal tubule, but has no effect on the distal tubule, so the potassium excretion effect is less than furosemide. It can inhibit the activity of prostaglandin degrading enzymes, increase the content of prostaglandin E2, and thus have a vasodilatory effect. Dilation of renal blood vessels, reduction of renal vascular resistance, and increase of renal blood flow, especially deep renal cortical blood flow, are of great significance in the diuretic effect of bumetanide, and are also the theoretical basis for its use in the prevention of acute renal failure. In addition, unlike other diuretics, loop diuretics increase the flow of renal tubular fluid while the glomerular filtration rate does not decrease, which may be related to the reduction of chloride flowing through the macula densa, thereby weakening or blocking the glomerular-tubular balance. Bumetanide can dilate the pulmonary capacitance veins and reduce the permeability of pulmonary capillaries. Its diuretic effect can reduce the amount of blood returning to the heart and the left ventricular end-diastolic pressure, which is helpful for the treatment of acute left heart failure. Since bumetanide can reduce the permeability of pulmonary capillaries, it provides a theoretical basis for its treatment of adult respiratory distress syndrome.

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