Mucocutaneous candidiasis is a fungal infection that affects the skin, nails, and mucous membranes, caused by the Candida species of fungi.
Frequently Asked Questions
Who gets mucocutaneous candidiasis?
Anyone whose local skin barrier or systemic immunity is weakened. Commonest scenarios in India: (1) uncontrolled diabetes (HbA1c >8%) — Candida thrives in high-sugar tissue; recurrent oral thrush or genital candidiasis without other reason should trigger a diabetes screen. (2) Recent broad-spectrum antibiotics — they wipe out protective bacteria, letting Candida overgrow. (3) HIV-positive individuals — especially with CD4 counts under 200. (4) Inhaled steroid users (asthma, COPD) — thrush on the tongue is common; rinse mouth after every puff. (5) Infants (diaper candidiasis) and elderly with dentures. Recurrent unexplained candidiasis in an otherwise healthy adult warrants HIV testing and HbA1c.
How do I recognise Candida infection at different body sites?
Site-specific signs. Oral thrush: creamy white patches on tongue and inner cheeks that scrape off leaving red raw skin underneath. Angular cheilitis: cracked painful corners of the mouth (common in denture wearers and diabetics). Intertrigo: bright red rash with satellite lesions in skin folds (under breasts, groin, armpits, between fingers), often itchy and burning. Nail candidiasis (paronychia): swollen tender skin at nail fold, thick discoloured nail — common in people whose hands are constantly wet (cooks, cleaners). Vulvovaginal candidiasis: intense itch, thick white cottage-cheese discharge, external redness. Balanitis: red inflamed foreskin with white discharge in uncircumcised men, especially diabetic.
What is the standard treatment for mucocutaneous candidiasis?
Depends on site and severity. Skin folds and small patches: topical clotrimazole or miconazole cream twice daily for 2-4 weeks. Oral thrush: nystatin oral suspension (swish and swallow, 4x daily) or fluconazole 150 mg single dose for mild cases; more severe cases need 7-14 days of fluconazole 100 mg daily. Vulvovaginal candidiasis: clotrimazole vaginal pessary or fluconazole 150 mg single oral dose. Recurrent or severe candidiasis (4+ episodes/year, immunocompromised): 6 months of maintenance fluconazole (150 mg weekly) plus workup for underlying immunodeficiency. Do not use topical steroids on Candida infection — they make it worse.
How do I prevent recurrent Candida infections?
Five things that work. (1) Tight diabetes control — bring HbA1c below 7%; recurrent candidiasis often resolves with glycemic control alone. (2) Keep skin folds dry — dust with antifungal powder (clotrimazole powder or miconazole talc) after bathing, wear breathable cotton. (3) Rinse mouth after every inhaled steroid puff. (4) Complete the full antibiotic course only when necessary — probiotics (Lactobacillus) during antibiotic courses reduce vaginal thrush. (5) For denture wearers: soak dentures overnight in chlorhexidine solution, brush gums before reinserting. Long-term hair-scalp candidiasis or thick nail candidiasis needs a dermatologist because topical treatment may need 2-3 months.
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