Yes, fungal infections can become permanent or cause lasting damage, especially if untreated, leading to issues like chronic nail problems (thickening, distortion, loss), scarring (like scalp ringworm), or severe systemic infections in immunocompromised individuals, though many superficial types are curable with proper, extended treatment.
Over time, untreated fungal infections can permanently change the shape of the affected nail. In severe cases, the toenail may fully detach from the nail bed, or the nail bed itself can suffer irreversible damage, preventing healthy regrowth.
Child fungal infection treatment typically involves antifungal creams for skin infections (like terbinafine) or special shampoos, but requires oral medications (like fluconazole, itraconazole, or griseofulvin) for scalp, nail, widespread, or persistent cases, with a doctor's diagnosis crucial for effective, safe treatment and to prevent recurrence by keeping areas clean, dry, and avoiding sharing personal items.
Fungal ear infections affect your outer ear — most often, your ear canal. It happens when funguses (such as Aspergillus and Candida) grow and spread in your ear. Because funguses thrive in warmer temperatures, fungal ear infections are most common during hotter months.
It's caused by an overgrowth of a type of yeast (fungus) that's naturally found on your skin. Hot weather, humidity and sun exposure can make tinea versicolor worse. It's not harmful or contagious but can be mildly itchy.
What are symptoms of a fungal rash? A fungal rash is often red and itches or burns. You may have red, swollen bumps like pimples or scaly, flaky patches.
Yes, you can generally use topical antifungal creams like clotrimazole or miconazole during pregnancy for common infections like thrush, and they are considered safe and effective, but you should always talk to your doctor or midwife first, especially avoiding oral antifungals like fluconazole (Diflucan) unless specifically advised, as they carry risks, particularly in the first trimester. Doctors often recommend a longer, 3- to 7-day course of topical treatment for best results.
Severe infections, or systemic fungal infections, affect the internal organs. Symptoms of a systemic fungal infection include muscle pain, coughing, difficulty breathing, fever, congestion, stomach pain, congestion, and intense headache.
Types of antimicrobial-resistant fungi
Resistant fungi include Aspergillus, certain Candida species and strains, and certain dermatophytes (fungi causing ringworm). Candida auris, a newer species, is particularly resistant to antifungal drugs and can spread quickly in healthcare settings.
Typical of the spring-summer season, otomycosis usually affects only one ear. In the early stages of the infection, symptoms may be absent, but intense itching, mild pain and a feeling of clogged ear generally occurs in the following days. Tinnitus and ear discharge can be associated with these symptoms.
You can get a fungal infection in the following ways. Through direct contact with an infected person or animal, including pets like dogs and cats. Sharing items such as clothes, towels, hairbrushes or bedding with an infected person. More rarely, from contact with soil.
Fungal diseases
Who can take fluconazole. Most adults and children aged 16 years old or over can take fluconazole for vaginal thrush or balanitis. Younger children, and people aged 16 years old and over who need it for other conditions, can take it if it's prescribed by a doctor.
Some fungal infections will go away on their own, but most need treatment so they don't spread or get worse. The most severe infections can cause organ damage or death if they're not treated.
Fungal infections tend to be overdiagnosed; disorders which do not improve with three to four weeks of treatment should be reassessed before being labelled 'stubborn'. Griseofulvin is effective treatment for all dermatophytes, but has certain side effects.
See a GP if:
You have a fungal nail infection and: the infection is severe and treatment has not worked. the infection has spread to other nails. you have diabetes – foot problems can be more serious if you have diabetes.
Candida auris (C. auris) is a type of yeast that can cause severe illness and spread easily among very sick patients in healthcare facilities. C. auris can cause a range of infections from superficial (skin) infections to more severe, life-threatening infections, such as bloodstream infections.
Antifungal resistance can occur for many reasons. It sometimes develops spontaneously. Or it may result from antibiotic overuse or misuse of antifungal medicines. People with compromised immune systems are most at risk for developing fungal infections that can lead to antifungal resistance.
Stage 3: Advanced Infection
In the advanced stage, fungal toenail infections can cause severe changes, including: Extensive nail discoloration and deformity. Severe thickening of the nail, making it difficult to trim. Pain and potential complications like secondary bacterial infections or ingrown toenails.
Fungal infections can occur anywhere in your body but most commonly, they begin on your skin. Most cause some discomfort, such as redness and itching. Usually over-the-counter or prescription medications take care of this. Sometimes these skin infections do not heal though and they worsen, possibly causing sepsis.
Fungal infections on or in your skin can look red, swollen or bumpy. They can look like a rash or you might be able to see a lump under your skin. Fungal infections in your nails can make them discolored (yellow, brown or white), thick or cracked.
Antifungals are medications that treat fungal diseases by killing or stopping the growth of fungi in humans, animals, and plants. Antifungals are a type of antimicrobial. Antifungals are available in different forms: Topical, such as creams, ointments, shampoo, or powder.
Symptoms
Q: Can a yeast infection harm my pregnancy? A: No. A yeast infection won't affect your developing baby – that's why we don't treat yeast infections that don't have symptoms. However, most symptomatic yeast infections get worse when left untreated.
Terbinafine is the safest oral antifungal. Low-dose fluconazole (up to 150 mg) may be used in vaginal candidiasis, however, higher doses are not recommended. Itraconazole, ketoconazole, and griseofulvin may be best avoided due to lack of reliable human data.