To say which eye ointment sells the best in pharmacies, chlortetracycline hydrochloride eye ointment And erythromycin eye ointment, but do my part! The two types of eye ointments have basically the same therapeutic range, and have always been loved by customers because of their affordable price and good efficacy. But did you know that there are some differences between them?
chlortetracycline hydrochloride eye ointment strong>
Efficacy:For bacterial conjunctivitis, stye and bacterial blepharitis. Also used to treat trachoma.
Mechanism of action:Chloromycin is a tetracycline antibiotic, many of which are Gram-positive Bacteria and rickettsia, mycoplasma, chlamydia, atypical mycobacteria, spirochetes are sensitive to this product. Enterococcus is resistant to it, and there is cross-resistance between this product and different varieties of tetracyclines. One of the main mechanisms of action of chlortetracycline eye ointment is to inhibit the synthesis of bacterial protein, which has inhibitory effect on common gram-positive bacteria and chlamydia trachomatis in the eyes.
Precautions:It is forbidden for those who are allergic to this product, and those with allergies should use it with caution . It should not be used continuously for a long time. If the symptoms are not relieved within 5 days, you should stop the drug and seek medical attention in time.
erythromycin eye ointment
Efficacy:For trachoma, conjunctivitis, edge inflammation and external eye infections.
Mechanism of action:Erythromycin is a macrolide antibiotic, antibacterial The spectrum is similar to that of penicillin, and it has a strong inhibitory effect on Gram-positive bacteria, such as Staphylococcus, Streptococcus pyogenes, Viridian Streptococcus, Streptococcus pneumoniae, Streptococcus faecalis, Clostridium, and Diphtheria. It also has a considerable inhibitory effect on Gram-negative bacteria, such as Neisseria gonorrhoeae, Helicobacter, Bacillus pertussis, Brucella, Legionella, Haemophilus influenzae, and Bacteroides. In addition, it has inhibitory effect on mycoplasma, actinomycetes, spirochetes, rickettsia, chlamydia, nocardia, a few mycobacteria and amoeba. Staphylococcus aureus is resistant to this drug.
Precautions:Those who are allergic to this product Disabled.
Similarities and Differences
Similar points:The respective functions and functions have been mentioned before, you can see Both eye ointments are used for Gram-positive bacteria and Chlamydia trachomatis. However, due to the emergence of clinical drug resistance, the two have basically no treatment for bacterial infections, and neither have antiviral effects.
differences:chlortetracycline hydrochloride eye The anti-inflammatory effect of the ointment is higher than that of erythromycin eye ointment, and the purulent effect of erythromycin eye ointment is higher than that of chlortetracycline hydrochloride eye ointment.
Knowledge Extension
Erythromycin eye ointment≠erythromycin ointment
Although the main ingredients of erythromycin eye ointment and ointment are erythromycin, the concentration is different. The concentration of erythromycin eye ointment is 0.5%, while the concentration of erythromycin ointment is 0.5%. is 1%. Ointment refers to a semi-solid external preparation with a suitable consistency that is uniformly mixed with a drug and a suitable base, and the types include ointment, cream, gel, paste and eye ointment. Although eye ointment is a type of ointment, it is required to be “sterile”, while erythromycin ointment is a non-sterile preparation. Therefore, strictly speaking, erythromycin ointment can never be used to replace eye ointment.
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