Antibacterial and improve immune function; has inhibitory and killing effects on 22 kinds of pathogens, can increase the mouse spleen-specific antibody-forming cells, stimulate beta cell proliferation, reduce myocardial contractility and blood pressure, and reduce myocardial oxygen consumption.

Anti-inflammatory drugs. In the rat immune ulcerative colitis model, the therapeutic effect of sulfasalazine suppositories administered through the anus is significantly better than that of oral administration; after entering the intestine, it is decomposed by bacteria into sulfapyridine and 5-aminosalicylic acid, 5-aminosalicylic acid is eventually excreted in the feces, and sulfapyridine can be absorbed into the blood and excreted in the urine. The original form of this product, sulfapyridine and its metabolites such as acetylated products and glucuronic acid conjugates can be detected in the blood.

It has a strong antitussive effect, and has antihistamine, smooth muscle spasm relief, anti-inflammatory and local anesthetic effects. The antitussive effect usually appears 30-60 minutes after taking the medicine, and the effect lasts for 4-6 hours or longer.

Produces antipyretic effect by targeting the hypothalamic thermoregulatory center

It is an adrenaline-mimetic drug that has a significant effect on contracting the blood vessels of the upper respiratory tract mucosa, and can relieve symptoms such as nasal congestion, runny nose, and tearing caused by colds.

Broad-spectrum semi-synthetic penicillin has antibacterial effects on hemolytic streptococci, viridans streptococci, pneumococci, penicillin G-sensitive Staphylococcus aureus, gonococci, Haemophilus influenzae, enterococci, Salmonella, Salmonella typhi and Proteus. It has no effect on Staphylococcus aureus that produces penicillinase. Bacteria have complete cross-resistance to this product and ampicillin.