21. Also, Tinea pedis, or athletes foot is common, while Tinea unguium is rare. 22. Tinea unguum ( nails ) usually will require oral treatment with terbinafine, itraconizole, or griseofulvin.23. Tinea unguium presents a much greater therapeutic challenge as topical creams do not penetrate the nail bed.24. Dermatophytes are the parasitic fungi that cause skin infections such as athlete's foot and tinea cruris. 25. "H . werneckii " causes a rare superficial and non-invasive skin infection Tinea nigra. 26. Favus, ( a severe form of Tinea capitis ) is rarely seen to be caused by this fungus. 27. "Microsporum canis " is among the most common dermatophytes associated with tinea capitis and tinea corporis. 28. "Microsporum canis " is among the most common dermatophytes associated with tinea capitis and tinea corporis. 29. Tinea capitis, commonly called ringworm of the scalp, is most frequently caused by the fungus T . tonsurans.30. Uncommon in adults, tinea capitis is predominantly seen in pre-pubertal children, more often boys than girls.
