Acne Root Causes
Are Antibiotics Making Your Acne Worse?
By Katie Stewart · September 29, 2023 · 6 min read

by Liana Meggetto, RHN + Acne Coach in The Clear Skin Solution
Our bodies operate as complex ecosystems where various systems are interlinked and influence each other. A prime example is the intricate connection between gut and skin health. Recent research shines a spotlight on how our gut microbiome deeply affects skin conditions like acne. While antibiotics serve as valuable tools for fighting infections, they can also unintentionally wreak havoc on our gut health and, consequently, our skin—especially concerning acne. Though the root causes of acne are multifactorial—spanning hormonal fluctuations, genetics, and lifestyle—emerging evidence underscores the significant role that the gut microbiome plays in both the development and severity of acne.
Before we delve into the critical relationship between gut and skin health, it’s important to understand what antibiotics are.
What Are Antibiotics?
Antibiotics are a class of medicines designed to combat infections. Some work by annihilating germs (bacteria or parasites), while others halt their multiplication by inhibiting protein synthesis or binding to bacterial ribosomes to curtail protein production. While undeniably useful and often lifesaving, antibiotics’ overuse and misuse have led to issues like antibiotic resistance and adverse effects on overall gut health.
Overview of the Gut Microbiome
Picture the gut microbiome as a vibrant community garden, home to a myriad of microorganisms like bacteria, viruses, fungi, and parasites. When this garden is well-tended and balanced, it promotes our overall well-being, affecting processes like immune function, metabolism, and digestion.
Antibiotics and Acne: Saviour or Saboteur?
Various studies have delved into the relationship between antibiotic usage and acne development. Although commonly prescribed to treat acne, long-term use can yield unintended side effects. Specifically, antibiotics can alter the composition of the gut microbiome, influencing inflammation, immune responses, gut dysbiosis, and hormonal regulation—all of which are connected to acne development.
The Impact of Antibiotics on Gut Health
Think of antibiotics as a garden weed killer that can’t distinguish between weeds and flowers. While antibiotics can eliminate harmful bacteria, they also unintentionally wipe out beneficial gut bacteria that contribute to our overall health. This leads to a condition we frequently observe in our clients at The Clear Skin Solution: gut dysbiosis or intestinal permeability, commonly known as “leaky gut.” Imagine your gut lining as a protective fence. When it’s damaged, it allows intruders like partially digested food, toxins, and bugs to pass through, potentially triggering inflammation and skin conditions like acne.
In addition to causing leaky gut, antibiotics can also foster the overgrowth of harmful bacteria and yeast in the gut. One issue we frequently encounter with clients in The Clear Skin Solution is Candida overgrowth. Antibiotics effectively clear the field, allowing opportunistic organisms like Candida to thrive. Think of Candida as a weed that is usually controlled by other plants and organisms in a balanced ecosystem. When antibiotics eliminate these natural checks and balances, Candida can rapidly multiply, resulting in symptoms like digestive issues, fatigue, and even skin problems such as acne. This disruption makes it all the more important to focus on restoring the gut’s delicate microbial balance after antibiotic use.
Understanding the Gut-Skin Axis: Connecting the Dots
Intriguingly, one study found that 54% of acne sufferers are grappling with impaired gut health. The gut-skin axis is an emerging research field focused on the interplay between gut and skin health, indicating that imbalances in the gut can lead to skin issues and vice versa. While the exact mechanisms are still under investigation, this holistic view emphasizes the importance of considering internal factors like gut health when managing and preventing acne.
Supporting the Body and Skin Post Antibiotics
Antibiotics, while essential for treating bacterial infections, can disturb the delicate equilibrium of the gut microbiome, potentially influencing the development of acne. As our understanding of the gut-skin axis deepens, emerging solutions aim to mitigate antibiotics’ impact on gut health and skin conditions like acne.
For clients in The Clear Skin Solution, we generally take a “Four R” approach:
Remove, Replace, Reinoculate, and Repair – this offers a structured method for repairing your gut after antibiotic use.
- Remove focuses on eliminating harmful bacteria, and often includes an elimination diet to identify any food sensitivities.
- Replace involves reintroducing digestive enzymes and other nutrients that aid digestion.
- Reinoculation is about bringing beneficial bacteria back into your gut, usually through high-quality probiotics.
- Repair involves nourishing the gut lining with essential nutrients like zinc, omega-3 fatty acids, and amino acids to promote optimal intestinal health.
We strongly advise partnering with a qualified practitioner with in-depth gut health experience to tailor a plan that’s just right for you. This approach isn’t one-size-fits-all, and using functional lab tests can provide invaluable insights. The goal is to comprehensively restore your gut’s delicate microbial balance, paving the way for your overall well-being.

Dietary Tips for Improved Gut Health
When it comes to diet, focusing on anti-inflammatory foods and avoiding pro-inflammatory foods is key. From there consider incorporating foods rich in probiotics and prebiotics to show your gut some love.
Benefits of Probiotic Foods
- Rebalance Your Gut: They help replenish the good bacteria in your digestive system.
- Strengthen Immunity: Aid your immune system in warding off harmful bacteria.
- Better Digestion: Assist in breaking down food and improving nutrient absorption.
- Clearer Skin: Contribute to a more radiant complexion.
Probiotic-Rich Foods
- Kimchi
- Sauerkraut
- Miso
- Tempeh
- Coconut Yogurt
- Kombucha
- Pickled Vegetables
Benefits of Prebiotic-Rich Foods
- Fuel for Good Bacteria: Prebiotics serve as nourishment for your beneficial gut bacteria.
- Enhanced Digestive Health: They can improve gut regularity and relieve constipation.
- Immune System Boost: Aid in the production of immune-boosting substances and cells.
- Better Nutrient Absorption: Promote the absorption of essential nutrients like calcium.
- Lower Inflammation: Can help reduce gut and systemic inflammation.
Prebiotic Foods
Lifestyle Habits for a Healthier Gut
Adopting healthy lifestyle habits can make a world of difference when it comes to nurturing your gut health. Think of your gut as a garden; just like how you’d water plants and pull out weeds, lifestyle choices can help foster a thriving environment for beneficial bacteria. Regular exercise, for instance, has been shown to diversify your gut flora, making it more resilient. Stress management techniques like mindfulness and meditation can reduce gut inflammation by calming your nervous system. Adequate sleep is like giving your ‘gut garden’ its needed rest, supporting your microbiome’s natural rhythms. Even hydration plays a role; imagine it as the watering system for your internal flora, helping things move smoothly through your digestive tract.
Examples of Lifestyle Habits to Improve Gut Health:
- Regular exercise (e.g., walking, swimming, yoga)
- Stress management (e.g., mindfulness, meditation)
- Sufficient sleep (aim for 7-9 hours per night)
- Hydration (drinking at least 8 cups of water a day)
- Avoiding smoking and limiting alcohol intake
- Consuming a balanced diet rich in fibre, fruits, and vegetables
- Avoiding overuse of antibiotics and other medications that can disrupt gut flora
Additional Sources
- Patient Info: Antibiotics
- The Gut Microbiome as a Major Regulator of the Gut-Skin Axis
- Acne vulgaris, probiotics and the gut-brain-skin axis – back to the future?
- Harvard Health Blog: Leaky Gut – What Is It & What Does It Mean for You?
- Acne, the Skin Microbiome, and Antibiotic Treatment
- Acne vulgaris, probiotics and the gut-brain-skin axis: from anecdote to translational medicine
