Antifungals Flashcards
What are the different types of Antifungals?
-Triazole antifungals
-Imidazole antifungals
-Polyene antifungals
-Other antifungals
Why is ORAL ketoconazole no longer used to treat fungal infection?
Because the risk of hepatoxicity is greater than the benefit of treating.
Reserved only for specialists to treat cushings syndrome.
What patient n carer advice must be given with oral use?
- Recognise signs of liver disease (anorexia, nausea, vomiting, fatigue)
- Dizziness may affect performance
What patient n carer advice must be given with Voriconazole?
- Avoid exposure to direct sunlight or use of sun beds
- Seek medical help if any sunburn or severe skin reactions following exposure to light or sun
- Keep alert cards with you at all times
What monitoring must be done for Voriconazole?
Monitor liver function before starting treatment. Then at least weekly for 1 month, then monthly during treatement.
What are the side effects of Voriconazole?
- Hepatoxicity
- Phototoxic
What are dermatophyte infections?
Skin, hair and nail infections
What is the referral criteria for someone with a nail infection?
Can only be a max of 2 nails
Anything more than two nails, is referral.
Max strength of nail lacquer amorolfine 5% and a pack size of 3 mL
What are some examples of fungal infections?
- Tinea pedis
- Tinea corporis (ringworm)
- Tinea carpitis
- Oral thrush
Which patients are risk factors for tinea infections?
- Diabetic
- Immuno compromised (e.g. HIV)
- Poor circulation
- Peripheral arterial disease
When are topical antifungals given?
- When area of infected skin is localised
When are oral antifungals given?
- When topical falls
- When many or wide areas are infected
- When site of infection is difficult to reach (nails n scalps)
What is the preferred oral antifungal?
- Oral terbinafine
- Oral itraconazole
Can also give oral griseofulvin but less preferred
How is tinea capitis treated?
- Systemically - oral antifungal
What is the treatment of threadworms?
- Anthelmintics
- Combined use with hygiene measures (cleaning surfaces, utensils, beddings, clothes in high temperatures)
Everyone in the family must be treated