This product is a mucolytic agent that can increase the secretion of serous glands in the respiratory mucosa and reduce the secretion of mucous glands, thereby reducing sputum viscosity, promoting the secretion of pulmonary surfactant, increasing bronchial ciliary movement, and making sputum easier to cough up.

It can be dissolved in cold water to form a solution with a certain viscosity. Its properties are similar to those of viscoelastic substances in tears and can be used as artificial tears. It adheres to the surface of the eyeball through the adsorption of polymers, simulates the effect of conjunctival mucin, improves the state of reduced eye mucin, and increases the retention time of the eyeball in the state of reduced tears. It can also increase the stability of the tear film before the cornea.

Hydroxypropyl methylcellulose is a partial methyl and partial polyhydroxypropyl ether of cellulose. It can be dissolved in cold water to form a solution with a certain viscosity. Its properties are close to the viscoelastic substances (mainly mucin) in tears. Therefore, it can be used as artificial tears. Its mechanism of action is: it attaches to the surface of the eyeball through the adsorption of the polymer, simulating the effect of conjunctival mucin, thereby improving the state of reduced eye mucin and increasing the retention time of the eyeball under the state of reduced tears. This adsorption effect is independent of the viscosity of the solution, thus ensuring that solutions with very low viscosity can also have a very long-lasting wetting effect. In addition, it can also increase the stability of the precorneal tear film by significantly reducing the contact angle of the clean corneal surface and increasing the wetting of the cornea.

Hydroxypropyl methylcellulose is a partial methyl and partial polyhydroxypropyl ether of cellulose. It can be dissolved in cold water to form a solution with a certain viscosity. Its properties are close to the viscoelastic substances (mainly mucin) in tears. Therefore, it can be used as artificial tears. Its mechanism of action is: it attaches to the surface of the eyeball through the adsorption of the polymer, simulating the effect of conjunctival mucin, thereby improving the state of reduced eye mucin and increasing the retention time of the eyeball under the state of reduced tears. This adsorption effect is independent of the viscosity of the solution, thus ensuring that solutions with very low viscosity can also have a very long-lasting wetting effect. In addition, it can also increase the stability of the precorneal tear film by significantly reducing the contact angle of the clean corneal surface and increasing the wetting of the cornea.

Aminoglycoside antibiotics have antibacterial effects on most Enterobacteriaceae, Pseudomonas aeruginosa, some other Pseudomonas, Acinetobacter, Alcaligenes, meningococci, gonococci, influenza bacilli, Yersinia, Campylobacter fetus, Mycobacterium tuberculosis and some Mycobacterium. The mechanism of action is to act on the 30S subunit of bacterial ribosomes and inhibit bacterial protein synthesis. Combination with semi-synthetic penicillins or cephalosporins often produces synergistic antibacterial effects.

This product is a calcium supplement. Calcium can maintain the normal excitability of nerves and muscles and promote the secretion of acetylcholine by nerve endings. When serum calcium is low, the excitability of nerves and muscles may increase, resulting in convulsions. When blood calcium is too high, the excitability may decrease, resulting in weakness, etc. Calcium ions can improve the permeability of cell membranes, increase the density of capillaries, reduce exudation, and have an anti-allergic effect. Calcium ions can promote the calcification of bones and teeth. There is a competitive antagonism between high concentrations of calcium ions and magnesium ions, which can be used to rescue magnesium poisoning; calcium ions can react with fluoride to form insoluble calcium fluoride, which can be used to rescue fluoride poisoning.

This product is a histamine H2 receptor blocker. It has a significant inhibitory effect on gastric acid secretion, and can also inhibit the secretion of pepsin, and has a certain protective effect on animal experimental ulcers. It takes effect about 1 hour after taking the medicine, and the effect can last for more than 12 hours.