What EDU category do Oropharyngeal antiinfective drugs belong to?
Dental and Oral Agents
What are the 2 main Drugs of Oropharyngeal antiinfective drugs?
Nystatin
Chlorhexidine
What type of medication do Nystatin belong to?
Antifungals
What is the mechanism of action of Nystatin?
Fungistatic or fungicidal in action
Binds to sterols in the fungal cell membrane, which no longer functions as a selective barrier and allows loss of potassium and other cellular constituents
Against what is Nystatin active and against what not?
Active against a variety of yeasts and yeast-like fungi
Inactive against bacteria, protozoa, and viruses
Focusing on oropharyngeal usage of Nystatin, how is it administered and why?
Oral (swish and swallow)
Nystatin is too toxic for intravenous use. For oropharyngeal candidiasis, the medication should be swished around in the mouth, gargled, and then swallowed (swish and swallow).
What is the indication for oral use of Nystatin?
Oropharyngeal candidiasis
What are contraindications of Nystatin?
Hypersensitivity to nystatin or any ingredient in the formulation
Pregnancy
What are common adverse effects of oral Nystatin?
Gastrointestinal symptoms (e.g., diarrhea, nausea, pain)
What group antiseptics do chlorhexidine belong to?
Bisbiguanides
What is the mechanism of action at low concentration?
leakage of intracellular components due to cell membrane disruption
What is the mechanism of action at high concentration?
cause precipitation of intracellular proteins and nucleic acids
What are indications for Chlorhexidine?
Gingivits (Used as a mouthwash or oral rinse (topical oral solution) for treatment of gingivitis; used between dental visits as part of a professional program.)
Periodontitis (Used subgingivally (extended-release insert) for treatment of adult periodontitis as an adjunct to scaling and root planing to reduce periodontal pocket depth)
What is it active against?
Bacteria
Enveloped viruses
Fungi
Is it sporicidal?
NO
What are contraindications for Chlorhexidine?
Hypersensitivity to the drug or any ingredient in the formulation
What are possible adverse effects of Chlorhexidine?
Topical oral solution: Increased staining of teeth, esthetic restorations, and other oral surfaces; increased calculus formation; alteration of taste perception
Subgingival inserts: Toothache, upper respiratory infection, headache
Last changed2 years ago