SHARE
A truck driver in a plaid shirt speaks into a cb radio while driving.

The Causes Of Male Yeast Infection

While male yeast infections are often overlooked, they’re actually quite common, with many contributing factors leading to an overgrowth of Candida, a type of yeast responsible for these infections. Through years of clinical practice, I’ve observed several recurring triggers in men, ranging from lifestyle choices and diet to environmental influences. Identifying these underlying causes is crucial for both preventing and effectively treating yeast infections.

Understanding Yeast and Its Role in the Body

The body naturally hosts a balance of bacteria and yeasts, known as microflora, which support the immune system and help control the growth of potentially harmful organisms. In a healthy state, these microflora work to prevent excessive yeast growth.

However, when certain conditions disrupt this balance—such as stress, excessive alcohol consumption, poor dietary choices, or immune-compromising medications—Candida can shift into its pathogenic form. In this state, it can penetrate tissues and cause infection.

For men, this can commonly manifests as balanitis, an infection of the penis (penile yeast infection), typically affecting the head of the penis, or glans.

Article of Interest: Male Yeast Infection

What is a Male Yeast Infection?

Though yeast infections are more often associated with women, men are also susceptible. Male yeast infections typically occur when Candida grows beyond its normal limits, often resulting in inflammation and irritation.

Candida thrives in warm, moist environments and can affect any area where these conditions exist, such as under the foreskin. Symptoms often include redness, itching, and rash, and in more severe cases, pain or discharge.

Primary Causes of Male Yeast Infections

From a clinical perspective, several factors commonly contribute to the development of male yeast infections. Yeast infections in men are primarily caused by a combination of factors that disrupt the body’s natural balance of microorganisms. Some of the most significant contributors include:

  • Diet:
  • Diets high in refined carbohydrates, sugars, and processed foods create a favourable environment for yeast overgrowth. Men often consume larger portions and may snack mindlessly, increasing their sugar intake, which directly fuels yeast proliferation.
  • Alcohol Consumption:
  • Alcohol, especially when consumed in excess, disrupts the body’s natural defences. It weakens the immune system, impairs liver function, and often contains sugars that Candida can thrive on.
  • Medications:
  • Antibiotics and steroids are known to alter the body’s microbiome, reducing beneficial bacteria that normally keep yeast growth in check. This can lead to an imbalance, giving Candida an opportunity to multiply unchecked.
  • Stress and Lifestyle Choices:
  • High stress and poor hygiene can compromise immunity and create conditions favorable for yeast overgrowth. Stress, in particular, raises cortisol levels, which can suppress immune responses, making it easier for Candida to thrive.
  • Sexual Contact:
  • Men can contract yeast infections through intimate contact with a partner who has a yeast infection. This can introduce Candida into the genital area, leading to potential overgrowth and subsequent infection.

Key Points to Remember

Here are some essential takeaways about the causes of male yeast infections:

  • Dietary Impact: Diets high in sugars, refined carbs, and alcohol are significant contributors.
  • Lifestyle: High stress levels and poor hygiene practices compromise immune defenses.
  • Medications: Antibiotics and steroids can disrupt natural bacterial balance, favoring yeast.
  • Alcohol: Excessive alcohol consumption weakens immune function and fosters yeast growth.
  • Sexual Contact: Transmission from a partner with a yeast infection is a common source.

Male yeast infections are more common than many realise, with various factors such as diet, lifestyle, stress, medications, and sexual contact influencing their development.

By recognising these causes, men can take proactive steps to adjust their habits and better protect themselves against yeast overgrowth. First let’s look at the different species of yeast involved with men’s yeast infections:

Candida and Malassezia in Male Yeast Infections

Yeast species such as Candida albicans and Malassezia are naturally present on the male body, particularly in the genital area. However, under certain conditions, they can overgrow and cause infections.

Candida albicans thrives in the preputial space (under the foreskin) and can cause balanitis or other infections. Malassezia has also been associated with conditions like seborrheic dermatitis and balanitis, and studies have shown that it’s prevalent in a significant number of uncircumcised men.

Studies have shown Malassezia was present in 47% of uncircumcised men, while Candida albicans was found in 20.8% (Mayser 2001).

Another study revealed Candida in 65.5% of patients with fungal infections of the glans penis, while 30.9% had Malassezia (Aridogan 2005).

Key Pages on Men’s Yeast Infection

Common Triggers and Risk Factors for Yeast Infections in Men

Several factors can make men more susceptible to yeast infections. These are the most common triggers that are responsible for men’s yeast infections.

They include:

  • Weakened Immune System:
  • Conditions like diabetes and HIV can weaken immunity, making it easier for yeast to overgrow (Segerstrom et al., 2004).
  • Antibiotic Use:
  • Antibiotics kill off beneficial bacteria, disrupting the balance and encouraging yeast growth. (Lathakumari et al., 2024).
  • Diabetes
  • Elevated blood sugar levels, especially if poorly managed, create an environment that promotes yeast overgrowth (Mohammed et al., 2021).
  • Use of Corticosteroids
  • Corticosteroids, whether taken orally or applied topically, can suppress immune responses and increase the likelihood of Candida infections (Li et al., 2023)
  • Poor Hygiene
  • Especially in uncircumcised men, poor hygiene can lead to a build-up of smegma, creating the ideal environment for yeast infections (Wray et al., 2024).
  • Obesity
  • Excess body weight, especially if there are folds in the skin, can create moist, warm environments where Candida thrives (Nobles et al., 2022).
  • Excessive Use of Soaps and Irritants:
  • Harsh soaps, gels, and lubricants can irritate the skin, weakening its defences and allowing yeast to thrive. In a recent lab study, Of analysed cleansing soaps, 37 % were found to be toxic to keratinocytes, the outer most layer of our skin (Castanedo-Cázares et al., 2020).
  • Sweat and Moisture:
  • Wearing synthetic fabrics and not thoroughly drying the genital area after washing creates the warm, damp conditions that yeast loves.
  • Tight or Synthetic Clothing
  • Wearing tight or non-breathable clothing, particularly underwear, can create moisture and warmth, ideal for yeast proliferation.
  • Hot, Humid Climates
  • Warm and humid environments promote sweating, increasing the risk of skin yeast infections (Grice et al., 2011).
  • Alcohol and Poor Nutrition
  • Both alcohol and poor diets can upset the balance of beneficial and harmful bacteria in the body, providing an ideal environment for yeast (Hartmann et al., 2021).
  • High-Stress Levels
  • Chronic stress weakens immune function and create changes that allow Candida to thrive (d’Enfert et al., 2020).
  • Smoking
  • Smoking can compromise immune function, leaving individuals more susceptible to various infections, including yeast (Jiang et al., 2020).

Is Male Yeast Infection Sexually-Transmitted?



Genital candidiasis, or a yeast infection in the genital area, is generally not classified as a sexually transmitted infection (STI). While sexual activity can introduce or make the infection worse, yeast infections can also develop independently of sexual contact. This is because Candida naturally exists on the skin and within the body’s microbiome in most people. An imbalance due to factors like antibiotics, stress, or poor diet can cause an overgrowth, leading to infection.

Two people standing close together in a kitchen, one with a plaid shirt and jeans, the other with a white shirt and jeans.

Important Points to Consider:

  • Transmission: A partner with a yeast infection may not necessarily pass it to their partner. However, sexual contact can help spread of Candida, especially if one partner has an active infection.
  • Precautions: It’s advisable to avoid unprotected sex if a partner has an active yeast infection until treatment resolves the infection. This helps prevent any potential irritation or further spread.
  • Independent Causes: Yeast infections often stem from factors such as immune suppression, poor diet, lots of alcohol, high stress, or the use of antibiotics—not solely from sexual transmission.

While yeast infections can be affected by sexual activity, they are not strictly sexually transmitted and can be managed with proper precautions and treatment.

A bearded man with tattoos smiles and raises a beer bottle while sitting in a brewery, with another person holding up a beer bottle in the background.

Lifestyle and Dietary Habits that Contribute to Yeast Infections

From my clinical experience, lifestyle choices play a significant role in male yeast infections. Diets high in sugar, alcohol, and processed foods, combined with stress and poor hygiene, are the most common culprits.

The 4 Major dietary and lifestyle triggers include:

  • Frequent Snacking: especially on sweets or processed foods, which feeds yeast growth.
  • High-Sugar Diet: Diets rich in sugar and refined carbohydrates can fuel Candida growth and dysbiosis.
  • Alcohol Consumption: Regular alcohol, particularly beer, contributes significantly to yeast overgrowth.
  • Stress and Burnout: Stress weakens our immune response, making our body susceptible to infection.

Stress & Burnout: Hidden Causes of Yeast Infections

Chronic stress and burnout are significant, yet often overlooked, factors that can lead to yeast infections in men. When stress persists, it triggers a cascade of physiological changes that compromise the body’s immune defenses, making it easier for Candida and other yeasts to flourish.

Two colleagues at a desk in an office setting, one points while the other rubs their forehead. Various office supplies and documents are on the desk.

Stress affects the body by increasing the production of cortisol—a hormone that, in small amounts, helps regulate immune function and inflammation.

However, prolonged stress can lead to imbalances in cortisol levels, either elevating it chronically or eventually depleting it, both of which impair the immune response (Chu et al., 2024).

This weakened immunity provides an opportunity for Candida to overgrow, increasing the likelihood of infection.

Candida Can Adapt To Any pH

While stress can indeed disrupt the body’s natural pH balance, potentially making it more acidic, higher acidity does not necessarily foster a more favourable environment for yeast proliferation. Candida is highly adaptable, able to thrive across a broad pH spectrum—from very acidic (pH 2) to highly alkaline (pH 10) (Vylkova et al., 2011).

Stress Affects Our Gut Flora

Additionally, stress and burnout can alter gut health by reducing beneficial gut flora, which play a critical role in preventing Candida overgrowth. When the balance of good bacteria in the gut is disturbed, Candida can overpopulate, potentially leading to systemic yeast infections (Jawhara 2023).

Combined with the physical toll stress places on the body, lifestyle factors associated with burnout—such as inadequate sleep, poor diet, and reduced exercise—further strain immune health, amplifying the risk of infections.

Take-Away

  • Chronic Stress or Burnout Weakens Immunity: Persistent stress depletes immune function, lowering the body’s ability to keep Candida (or any infection) in check.
  • Cortisol Imbalances: Chronic stress can cause cortisol levels to spike or deplete, both of which impair immune health. This will affect your sleep, energy, mood, and immune function.
  • Disrupted Gut Health: Stress impacts gut flora, reducing beneficial bacteria and increasing yeast or bacterial dysbiosis infection risk.

Addressing stress and burnout is vital not only for mental health but also for preventing yeast infections and maintaining overall immune resilience.

The Dangers of Late-Night Snacking

Men are often prone to late-night snacking, frequently reaching for sweets, processed foods, or high-carb treats. These types of foods can cause spikes in blood sugar, which can fuel yeast growth and disrupt gut health. Additionally, eating late at night can interfere with digestion and metabolism, as the body’s natural processes slow down in the evening, making it harder to process sugary or heavy foods effectively.

This pattern can also impact sleep quality and lead to weight gain, creating a cycle of increased cravings that can be difficult to break.

Social Event Snacking

Social events like watching sports, card games, BBQs, or other gatherings often encourage mindless snacking, where beer, chips, sugary soda drinks, and high-salt or high-fat foods are easily accessible. In these settings, guys may be more likely to graze on unhealthy snacks without realising the impact on their health.

This kind of social snacking often adds up quickly, contributing to excess calorie intake and creating habits that may eventually affect the gut and digestion, blood sugar stability, and overall health.

These habits can feed yeast and can exacerbate the problem. Snack foods left in the fridge overnight can develop molds and spores, further contributing to the yeast overgrowth.

Key points to consider:

  • Snacking on high-sugar, high-carb foods feeds yeast growth.
  • Snacking on peanuts or other nuts needs caution, it’s too easy to eat too much.
  • Moulds and fungi on leftover foods can introduce more yeast into our body.
  • Candida thrives when our body’s bacterial and fungal balance is disrupted, which often happens when unhealthy snacks are regularly consumed.
  • Healthy Snacks: The solution is to switch to healthy snacking, instead of high-sugar or salt convenience foods.

Read: 50 Healthiest Snack Ideas

Key Diet and Nutrition Pages

The Conclusion

Male yeast infections are common, yet preventable. The key to avoiding them lies in maintaining good hygiene, eating a balanced diet, reducing stress, and avoiding triggers such as alcohol, refined carbs, and processed foods.

By addressing these underlying causes, men can significantly reduce their risk of developing or sustaining a yeast infection.

Candida Cleanse Beginner

Just starting out? Looking for a quick non-fuss 3-week Candida Cleanse?

Man with glasses smiling outdoors.

Eric Bakker N.D.

Greetings! I am a naturopathic physician from New Zealand. Although I’ve retired from clinical practice since 2019, I remain passionate about helping people improve their lives. You’ll find I’m active online with a focus on natural health and wellbeing education through my Facebook page and YouTube channel, including this website.

Similar Posts

Leave a Reply

Your email address will not be published. Required fields are marked *