Erythromycin
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Clinical Pharmacology
Erythromycin is an macrolide antibiotic. Acts bacteriostatic. Spectrum of experience; ., Treponema pallidum, Legionella pneumophila).
Erythromycin resistant most gram-negative bacteria (Escherichia coli, Shigella, Salmonella spp.), mycobacteria, small and medium-sized viruses, fungi.
Erythromycin is better tolerated by patients than penicillins, and can be used in allergies to penicillins. The resistance of microorganisms to the drug develops rapidly.
Indications
Eye infections caused by susceptible microorganisms:
- conjunctivitis (including in newborns),
- ophthalmic neonatal,
- bacterial blepharitis,
- blepharoconjunctivitis,
- keratitis
- maithomite (barley),
- chlamydia
- trachoma.
Composition
1 g ointment contains
Active substances: erythromycin (in terms of the active substance) - 10,000 U
Auxiliary components: anhydrous lanolin - 0.4 g, sodium disulfite - 0.0001 g, special petroleum jelly - up to 1 g
Erythromycin is marketed under different brands and generic names, and comes in different dosage forms:
Brand name | Manufacturer | Country | Dosage form |
---|---|---|---|
Erythromycin ointment 10000 U/g | Tatkhimpharmpreparaty | Russia | ointment |
Erythromycin | Biosynthesis | Russia | ointment |
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Dosage and Administration
Erythromycin ointment is laid in the lower eyelid three times a day, in the treatment of trachoma up to 5 times a day. The duration of the course of therapy depends on the severity and form of the disease, but should not exceed 2 weeks.
Treatment of erythromycin trachoma must be combined with the opening of purulent follicles. When the process of inflammation subsides, the drug is used three times a day. The course of treatment of trachoma should not exceed three months.
Adverse reactions
Allergic reactions and irritation (redness, itching) are possible. With prolonged use, a secondary infection caused by microorganisms resistant to erythromycin can develop.
Contraindications
- severe violations of the liver;
- hypersensitivity.
Drug interactions
Erythromycin is an antagonist of lincomycin, clindamycin, chloramphenicol. Able to reduce the bactericidal effect of beta-lactam antibacterial agents (penicillins, cephalosporins, carbopenems).
The simultaneous use of external medicinal forms of erythromycin and abrasive substances that cause skin irritation, or with agents that cause peeling of the skin, a cumulative irritant or drying effect.
Pregnancy and Lactation
There is not enough clinical experience with the use of erythromycin ointment during pregnancy, lactation and in infants. Therefore, drug treatment is possible only in cases where the expected effect exceeds the risk of possible side effects.
Special instructions
Erythromycin can be prescribed for penicillin allergy.
The drug is prescribed with caution in violations of the liver and / or kidneys.
Erythromycin is not recommended to drink milk and dairy products.
Erythromycin crosses the placenta, is excreted in breast milk, therefore, when prescribing the drug during periods of pregnancy and lactation, the estimated benefits to the mother and the potential risk to the fetus should be assessed.
To prevent neonatal ophthalmia, it is not recommended to wash the eye ointment from the eye. In children whose mothers have pronounced gonorrhea, erythromycin is recommended to be used simultaneously with penicillin G (aqueous) solution for parenteral administration.
Overdosage
Data overdose does not exist.
- Study of erythromycin A decomposition products in aqueous solution by solid-phase microextraction/liquid chromatography/tandem mass spectrometry
- Analysis of a commercial preparation of erythromycin estolates by tandem mass spectrometry and high performance liquid chromatography/electrospray ionization tandem mass spectrometry using an ion trap mass spectrometer
- Investigation of unknown related substances in commercial erythromycin samples with liquid chromatography/mass spectrometry
- Extraction of erythromycin-A using colloidal liquid aphrons: I. Equilibrium partitioning
- Randomized clinical trial of azithromycin vs. erythromycin for the treatment of chlamydia cervicitis in pregnancy
- Biosynthetic production of 13C and 14C erythronolide labeled erythromycin A
- Erythromycin Prolongs the QTc Interval Among Patients with Pneumonia
- Antiperoxidative effect of Livex, a herbal formulation against erythromycin estolate induced lipid peroxidation in rats
- Die Thioesterase der Polyketid-Synthase von Erythromycin: Einfluß der Acylkettenstruktur auf den Abkopplungsmechanismus der Substratanaloga von der Acyl-Enzym-Zwischenstufe
- The Thioesterase of the Erythromycin-Producing Polyketide Synthase: Influence of Acyl Chain Structure on the Mode of Release of Substrate Analogues from the Acyl Enzyme Intermediates
- A proteomic analysis of erythromycin resistance in Streptococcus pneumoniae
- Separation and determination of the macrolide antibiotics (erythromycin, spiramycin and oleandomycin) by capillary electrophoresis coupled with fast reductive voltammetric detection
- Prophylaxis of fever and infection in adult cancer patients. A placebo-controlled trial of oral trimethoprim-sulfamethoxazole plus erythromycin
- Studies on the interaction of fermentation and microfiltration operations: Erythromycin recovery from Saccharopolyspora erythraea fermentation broths
- Determination of erythromycin and related substances in enteric-coated tablet formulations by reversed-phase liquid chromatography
- Aggravation of myasthenia gravis by erythromycin
- Biosynthese von Erythromycin
- Die Erythromycin-Synthese - eine unendliche Geschichte?
- An Abiotic Strategy for the Enantioselective Synthesis of Erythromycin B
- Site-Selective Derivatization and Remodeling of Erythromycin A by Using Simple Peptide-Based Chiral Catalysts
- On the Macrocyclization of the Erythromycin Core: Preorganization is Not Required
- The Extraordinary Enzymes Involved in Erythromycin Biosynthesis
- Erythromycin Synthesis—A Never-ending Story?
- An Abiotic Strategy for the Enantioselective Synthesis of Erythromycin B