The skin infections by fungi in the head are caused by Trichophyton tonsurans and sometimes by the Microsporum canis in very young people between 4 and 14.
How can you acquire these fungal skin infections?
It can be spread by contact with hair and infected cells that are found in movie theater seats, combs or hats.
The spores of M. canis is spread by contact with infected dogs and cats. These fungi are found at the base of the hair and break dividing at the base. The appearance of ringworm can be changed according to the type of fungus that gives rise.
The Microsporum audouinii is marked by a very small spot somewhat elevated pinkish at the base of the hair follicle that develops peripherally creating something red plate in a circle with broken hairs and amputees on the inside.
Several plates are presented with hair loss and the person experiences itchy lesions. The fungus called Trichophyton tonsurans plates creates multiple amputee hair near the root.
There are other variations that occur with little hair loss but much more swelling, or discharge producing lesions similar to seborrhea.
How can injuries of skin infections?
When infected lesions differ in appearance with small pustules or pus and scabs points then it is called kerions.
What are the symptoms of fungal skin infections in the head?
It can cause fever and swollen glands presenting pain, healing scars, something that does not happen with uncomplicated tinea, ringworm most common are those caused by Microsporum canis, which is transmitted by dogs and cats and has no special features relative to those of T. tonsurans.
The lesions of ringworm may be confused with seborrheic dermatitis, psoriasis, alopecia areata, and peeling caused by stripping as well as with atrophic lesions of the skin of the head.
What is the treatment for fungal skin infections in the head?
The recommended treatment is oral administration of griseofulvin in doses of 15mg/kg/día microcrystals by 8 to 12 weeks.
Does it have adverse reactions in the treatment of fungal skin infections in the head?
Adverse reactions to griseofulvin is nausea, vomiting, headache, toxicity to the sun in the form of allergic reactions, abnormal blood cells and liver toxicity. Itraconazole is used in situations of fungal resistance or allergy to griseofulvin.
It is used in doses of 100mg daily in children over 20 kilos and the same dose on alternate days in the weight below 20 kg. Terbinafine is also effective in doses of 3 to 6 mg/kg/day for 4 to 6 weeks, but the effect on M. canis is less than before.
This medication such as itraconazole are not certified by the FDA. (Food and Drug Administration) for the treatment of superficial fungal infections in children, local treatment using creams is not enough, but it may be helpful in reducing the spread of other family members. Some creams with azole derivatives such as clotrimazole, and sulfosalicylic acid solutions are the most recommended in these cases. In any cases, don’t take any steps without consulting the specialist doctors.