Miconazole






































































































Miconazole
Miconazole.svg
Miconazole ball-and-stick.png
Clinical data
Trade names Desenex, Monistat, others

AHFS/Drugs.com
Monograph
MedlinePlus a601203
Pregnancy
category



  • AU: A (when used topically)


  • US: C (Risk not ruled out) (for topical use)



Routes of
administration

topical, vaginal, sublabial
ATC code

  • A01AB09 (WHO) A07AC01 (WHO) D01AC02 (WHO) G01AF04 (WHO) J02AB01 (WHO) S02AA13 (WHO)
Legal status
Legal status



  • AU: S2 (Pharmacy only) Schedule 2 for topical formulations, schedule 3 for vaginal use and for oral candidiasis, otherwise schedule 4


  • UK: POM (Prescription only)


  • US: OTC



Identifiers
CAS Number

  • 22916-47-8 ☑Y

PubChem CID
  • 4189
IUPHAR/BPS
  • 2449
DrugBank

  • DB01110 ☑Y
ChemSpider

  • 4044 ☑Y
UNII
  • 7NNO0D7S5M
KEGG

  • D00416 ☑Y
ChEBI

  • CHEBI:6923 ☑Y
ChEMBL

  • ChEMBL91 ☑Y
ECHA InfoCard
100.041.188 Edit this at Wikidata
Chemical and physical data
Formula
C18H14Cl4N2O
Molar mass 416.127 g/mol
3D model (JSmol)
  • Interactive image
Chirality Racemic mixture

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Miconazole, sold under the brand name Monistat among others, is an antifungal medication used to treat ring worm, pityriasis versicolor, and yeast infections of the skin or vagina.[1] It is used for ring worm of the body, groin (jock itch), and feet (athlete's foot).[1] It is applied to the skin or vagina as a cream or ointment.[1]


Common side effects include itchiness or irritation of the area in which it was applied.[1] Use in pregnancy is believed to be safe for the baby.[2] Miconazole is in the imidazole family of medications.[1] It works by decreasing the ability of fungi to make ergosterol, an important part of its cell membrane.[1]


Miconazole was patented in 1968 and approved for medical use in 1971.[3] It is on the World Health Organization's List of Essential Medicines, the most effective and safe medicines needed in a health system.[4] The wholesale cost in the developing world is about 0.23 to 0.60 USD for a 30 gram tube.[5] In the United States a course of treatment costs less than 25 USD.[2]




Contents






  • 1 Medical uses


  • 2 Side effects


  • 3 Brand names and formulations


  • 4 Pharmacology


  • 5 Remyelination


  • 6 Physical properties


  • 7 Other uses


  • 8 See also


  • 9 References


  • 10 External links


    • 10.1 Medical


    • 10.2 Photographic







Medical uses


Miconazole is mainly used externally for the treatment of ringworm including jock itch and athlete's foot. Internal application is used for oral or vaginal thrush (yeast infection). The oral gel may also be used for the lip disorder angular cheilitis.


In the UK, miconazole may be used to treat neonatal oral thrush, while the alternative nystatin is only licensed for patients over the age of one month, but drug interactions are possible.



Side effects


Unlike nystatin, some miconazole is absorbed by the intestinal tract when used orally (and possibly if used vaginally[6]); this may lead to drug interactions.


Interactions are possible with anticoagulants, phenytoin, terbinafine,[citation needed], some newer atypical antipsychotics, cyclosporin, and some statins used to treat hypercholesterolemia.



Brand names and formulations




Vaginal miconazole 20 mg/g - Brazil


Oral treatment: (brands: Daktarin in UK, Fungimin Oral Gel in Bangladesh )



  • Oral gel 24 mg/ml (20 mg/g)

  • Oravig 50 mg once daily buccal tablet:


In 2010, the U.S. Food and Drug Administration approved Oravig (miconazole) buccal tablets once daily for the local treatment of oropharyngeal candidiasis, more commonly known as thrush, in adults and children age 16 and older. Oravig is the only local, oral prescription formulation of miconazole approved for this use in the U.S.[citation needed]


External skin treatment: (brands: Desenex and Zeasorb in US and Canada, Micatin, Monistat-Derm, Daktarin in India, UK, Australia, Belgium and the Philippines, Daktar in Norway, Fungidal in Bangladesh, Decocort in Malaysia)



  • Topical cream: 2%

  • Combination: hydrocortisone/miconazole cream with 1% and 2%, respectively (Daktacort in UK, Daktodor in Greece)

  • Dusting powder: 2% powder with chlorhexidine hydrochloride (mycoDust)


Vaginal treatment: (brands: Miconazex, Monistat, Femizol or Gyno-Daktarin in UK)



  • Pessaries: 200 or 100 mg

  • Vaginal cream: 2% (7-day treatment), 4% (3-day treatment)

  • Combination: 2% cream with either 100 or 200 mg



Pharmacology


Miconazole inhibits the fungal enzyme 14α-sterol demethylase, which reduces production of ergosterol.[7] In addition to its antifungal actions, miconazole, along with ketoconazole, is known to act as an antagonist of the glucocorticoid receptor.[8]



Remyelination


Miconazole has been shown to promote remyelination of neurons in chronic progressive multiple sclerosis mouse models.[9]



Physical properties


The solubilities of miconazole nitrate powder are 0.03% in water, 0.76% in ethanol and up to 4% in acetic acid.[10]



Other uses


Miconazole is also used in Ektachrome film developing in the final rinse of the Kodak E-6 process and similar Fuji CR-56 process, replacing formaldehyde. Fuji Hunt also includes miconazole as a final rinse additive in their formulation of the C-41RA rapid access color negative developing process.



See also



  • Antifungal medication

  • Castor oil

  • Clotrimazole

  • Cremophor EL

  • Isoconazole



References





  1. ^ abcdef "Miconazole Nitrate". The American Society of Health-System Pharmacists. Archived from the original on 21 December 2016. Retrieved 8 December 2016..mw-parser-output cite.citation{font-style:inherit}.mw-parser-output q{quotes:"""""""'""'"}.mw-parser-output code.cs1-code{color:inherit;background:inherit;border:inherit;padding:inherit}.mw-parser-output .cs1-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-lock-limited a,.mw-parser-output .cs1-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration{color:#555}.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration span{border-bottom:1px dotted;cursor:help}.mw-parser-output .cs1-hidden-error{display:none;font-size:100%}.mw-parser-output .cs1-visible-error{font-size:100%}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-format{font-size:95%}.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-right{padding-right:0.2em}


  2. ^ ab Hamilton, Richart (2015). Tarascon Pocket Pharmacopoeia 2015 Deluxe Lab-Coat Edition. Jones & Bartlett Learning. p. 180. ISBN 9781284057560.


  3. ^ Fischer, Janos; Ganellin, C. Robin (2006). Analogue-based Drug Discovery. John Wiley & Sons. p. 502. ISBN 9783527607495. Archived from the original on 2016-12-20.


  4. ^ "WHO Model List of Essential Medicines (19th List)" (PDF). World Health Organization. April 2015. Archived (PDF) from the original on 13 December 2016. Retrieved 8 December 2016.


  5. ^ "Miconazole Nitrate". International Drug Price Indicator Guide. Archived from the original on 10 May 2017. Retrieved 8 December 2016.


  6. ^ British National Formulary '45' March 2003


  7. ^ Becher, R; Wirsel, SG (August 2012). "Fungal cytochrome P450 sterol 14α-demethylase (CYP51) and azole resistance in plant and human pathogens". Applied Microbiology and Biotechnology. 95 (4): 825–40. doi:10.1007/s00253-012-4195-9. PMID 22684327.


  8. ^ Duret C, Daujat-Chavanieu M, Pascussi JM, Pichard-Garcia L, Balaguer P, Fabre JM, Vilarem MJ, Maurel P, Gerbal-Chaloin S (2006). "Ketoconazole and miconazole are antagonists of the human glucocorticoid receptor: consequences on the expression and function of the constitutive androstane receptor and the pregnane X receptor". Mol. Pharmacol. 70 (1): 329–39. doi:10.1124/mol.105.022046. PMID 16608920.


  9. ^ Najm, Fadi J.; Madhavan, Mayur; Zaremba, Anita; Shick, Elizabeth; Karl, Robert T.; Factor, Daniel C.; Miller, Tyler E.; Nevin, Zachary S.; Kantor, Christopher (2015-01-01). "Drug-based modulation of endogenous stem cells promotes functional remyelination in vivo". Nature. 522 (7555): 216–220. doi:10.1038/nature14335. PMC 4528969. PMID 25896324.


  10. ^ United States Patent 5461068 Archived 2014-09-10 at the Wayback Machine.




External links



Medical



  • Micatin


  • Miconazole (National Institutes of Health)


  • United States Patent 5461068 Imidazole derivative tincture and method of manufacture



Photographic




  • Kodak process E6 Ektachrome (color transparency) processing manual Z-119


  • Kodak process E6 Q-LAB processing manual Z-6 (more details than processing manual Z119 above)















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