Penile Yeast Infection: Causes and Symptoms

A genital yeast infection is a fungal infection most commonly caused by the fungus Candida albicans, a microorganism naturally present on mucous membranes. Very common in women, it can also occur in men, although it is much rarer. In men, the infection affects the tip of the penis, specifically the glans and foreskin. It presents as localised inflammation at the tip of the penis, accompanied by intense itching. Despite these very unpleasant symptoms, it is a benign infection that clears up quickly with appropriate treatment and good hygiene practices.

The human body is home to many microorganisms of different species that form a true ecosystem. If one species grows and takes over the others, the balance is disrupted, leading to a fungal or bacterial infection. This is what happens when a yeast infection develops. An excessive proliferation of Candida albicans disrupts the natural flora, leading to an infection. The ideal conditions for this fungus to spread are heat and humidity. Therefore, contrary to popular belief, a genital yeast infection is rarely transmitted. Most of the time, it results from an internal imbalance exacerbated by various risk factors, such as:

Poor hygiene: The lack of daily hygiene care contributes to the development of fungal infections of the glans. This is also the case with inadequate cleaning under the foreskin, which promotes the accumulation of secretions and moisture, thereby creating an environment conducive to fungal growth.

Inappropriate cleaning products: Using soaps that are too harsh can disrupt the protective skin flora and make the skin more vulnerable to fungal infections.

Moisture: Excessive sweating or failing to dry the penis properly after showering—especially around the foreskin—promotes maceration and thus facilitates the growth of Candida albicans.

Irritated skin: Vigorous sexual intercourse can cause micro-lesions on the glans and weaken the skin, making it more susceptible to infections.

Phimosis: A very tight foreskin prevents thorough cleaning and can contribute to a buildup of secretions, which may lead to abnormal fungal growth.

A diet high in sugar: Excessive sugar consumption promotes the growth of Candida albicans, as this fungus feeds on glucose to multiply.

Antibiotic use: By disrupting the balance of the microbial flora, antibiotics can allow fungi to proliferate more easily.

Certain diseases: Conditions that cause a decline in immune defenses, such as diabetes or HIV, increase the risk of genital yeast infections.

An unhealthy lifestyle: Chronic stress, lack of sleep, and excessive alcohol or tobacco use weaken the immune system, thereby increasing the risk of developing fungal infections.

Sexual intercourse: Contact with a partner who has a genital yeast infection can disrupt the vaginal flora and lead to a yeast infection. However, sexual transmission is rare.

The first symptoms of a genital yeast infection in men appear on the glans and gradually spread to the foreskin. Here are the main signs that help identify a yeast infection of the glans:

• Balanoposthitis: Inflammation of the glans and foreskin causes the area to become swollen, red, and sensitive.

• Intense itching: The itching can be unbearable and is sometimes accompanied by a tingling or burning sensation due to irritation of the tissues affected by the fungal infection.

• A thick, whitish discharge: Whitish deposits may sometimes be observed under the foreskin, caused by the excessive growth of the Candida albicans fungus.

• Small white pustules: Small white bumps or lesions appear on the glans or foreskin.

• Temporary phimosis: Swelling of the glans may make it difficult to retract the foreskin and complicate hygiene practices.

• Dry, shiny skin: The skin may take on an unusual appearance; it may seem tighter and peel.

• Burning sensation when urinating: A burning sensation may occur during urination, caused by irritation of the inflamed mucous membranes.

• Discomfort or pain during sexual intercourse: Similarly, sexual intercourse may cause discomfort or pain.

Balanitis is an inflammation of the glans that manifests as redness, swelling, itching, and sometimes a burning sensation on the glans. When it spreads to the foreskin, it is referred to as balanoposthitis. Balanitis is one of the symptoms of a fungal infection of the glans. However, it can also be triggered by other factors. In fact, it can be bacterial in origin, particularly due to streptococcal or staphylococcal infections. In such cases, antibiotic treatment is sometimes necessary. It can also result from genital herpes, which manifests as painful, recurring blisters. Finally, an allergic reaction to personal hygiene products, condoms, or certain fabrics can also cause inflammation of the glans. 

As we’ve seen, symptoms of a fungal infection of the glans can also be linked to other conditions. Seeing a doctor is therefore essential to obtain an accurate diagnosis and receive appropriate treatment. At the first signs of infection, make an appointment with your primary care physician or a urologist to receive prompt care. The healthcare professional will perform a clinical examination to determine the cause of the symptoms. In some cases, laboratory tests may be ordered to precisely identify the fungus responsible and tailor the treatment accordingly.

The standard treatment for a fungal infection of the glans involves applying an antifungal ointment or cream to the infected area. When the treatment is followed properly and combined with strict hygiene, symptoms usually disappear within a week. However, if the infection persists or recurs, the doctor may prescribe an oral antifungal medication for deeper penetration.

Certain habits help maintain a healthy microbial balance and thus prevent genital yeast infections. Here are a few tips to incorporate into your daily routine:

1. Choose appropriate hygiene products: Use a mild soap that respects the skin’s natural pH to avoid disrupting the microbial flora. Clean your genital area daily and after each sexual encounter by retracting the foreskin to remove any buildup of secretions.

2. Dry your genital area thoroughly: After showering, dry the genital area thoroughly, especially the foreskin and groin, to prevent moisture that can lead to fungal growth.

3. Choose cotton underwear: Synthetic materials can be irritating and trap moisture. In contrast, natural fibres, such as cotton, are softer and allow for better ventilation.

4. Avoid pants that are too tight: Pants that are too tight can compress the genital area and create a warm, moist environment conducive to infections.

5. Trim your pubic hair regularly: Excessive hair traps moisture and sweat, thereby facilitating the growth of fungi.

6. Take a course of probiotics: In cases of recurrent yeast infections, taking probiotics can be beneficial for restoring and maintaining a healthy balance of the microbial flora.

7. Boost your immune system: Adopt a nutrient-rich diet and engage in regular physical activity to strengthen your immune defences.

The symptoms of a fungal infection of the glans may resemble those of other genital infections. Only a doctor can make an accurate diagnosis and prescribe effective treatment. Therefore, medical advice is essential before self-medicating. Do not hesitate to seek advice from a doctor or pharmacist.

Healthy lifestyle habits are just as important as daily hygiene in preventing genital yeast infections. In fact, the balance of the microbial flora is also influenced by an unhealthy diet, stress, and a weakened immune system. By adopting a healthy lifestyle, you optimise your body's defences, which helps maintain its balance.

Amandine is a writer specialising in natural health. Passionate about alternative medicine, she is training to become a naturopath. Through her articles, she aims to make her knowledge accessible to a wide audience, helping readers bring greater wellbeing and balance to their everyday lives.