Why Antibiotics Can Make Acne Worse (And What Actually Works for Clear Skin)

"The microbe is nothing, the terrain is everything." - Antoine Bechamp

Summer's almost here, and if you're like many people I know, you're probably standing in front of your bathroom mirror wondering why your skin looks worse despite using half the products at Sephora. Maybe you've been down the rabbit hole of skincare forums at 2 AM, hoping someone's miracle routine will finally be the answer.

I know how desperate you can get when your skin is acting up. When you're canceling plans because you can't bear to leave the house without makeup. When you've tried everything 'natural' and you're sitting in a dermatologist's office thinking, 'Just give me something that works.'

So when your doctor suggests antibiotics for your acne, of course you say yes. Here's what happens: those antibiotics travel through your entire system to reach your skin. Along the way, they're carpet-bombing the beneficial bacteria in your gut, your mouth, everywhere. They might clear up your breakouts temporarily by killing the bacteria causing inflammation. But they're also wiping out all the beneficial bacteria that were keeping your skin balanced in the first place—and decimating the gut bacteria that were supporting your immune system, mood, and overall health.

It's like using Roundup on your entire garden because you spotted a few weeds.

What Is Your Skin Microbiome

Your skin is not only a barrier between you and the world—it's also a bustling ecosystem, home to trillions of bacteria, fungi, and other microorganisms working 24/7 to keep you healthy. And your skin microbiome is basically best friends with your gut microbiome. They're in constant communication. When your gut is struggling, your skin knows about it.

How Birth and Childhood Shape Your Skin Health

If you were born vaginally, you got a "microbial bath"—your mom's bacteria became your bacteria. If you were born via C-section, you missed out on that initial microbial seeding, instead getting colonized by whatever bacteria happened to be around the hospital.

But here's what really shaped your microbiome: being a gloriously dirty kid. Every scraped knee, every unwashed apple, every time you pet a dog or played in the dirt... that wasn't poor hygiene. That was microbiome education.

Why Antibacterial Products Are Making Your Skin Worse

Less than 1% of bacteria can actually make you sick. The other 99% are either neutral or actively helping you stay healthy. The bacteria living on your skin right now are busy crowding out potential pathogens, maintaining your skin's pH, and producing compounds that keep harmful microbes at bay.

Yet we've spent decades systematically destroying this bacterial diversity. We sanitize everything, use antimicrobial soaps, and wonder why our skin is reactive and inflamed.

The Gut-Skin Connection

While you're focused on what's happening on your face, your gut microbiome is quietly running the show. When your digestive system is out of whack from stress, processed foods, antibiotics, or just modern life, it sends inflammatory signals throughout your body. I've seen people spend thousands on skincare who finally cleared their acne by focusing on their gut health instead.

Natural Ways to Support Your Skin Microbiome

Start from the inside: Feed the good bacteria with fermented foods like sauerkraut, kimchi, and kefir. Pay attention to how different foods make your skin feel. Be strategic about products—your skin's natural pH is slightly acidic, which helps good bacteria thrive. Many conventional products are alkaline and disrupt this balance.

Rethink "clean": This doesn't mean abandoning hygiene, but maybe you don't need to sanitize every surface. Maybe you can garden without gloves occasionally. Go outside, work or play, come in and sit on the couch with the clothes you wore outside to inoculate your household with a diverse set of microbes.

The pursuit of perfect skin often misses the point entirely. Those breakouts, that dryness, that sensitivity are not personal failures. They're information. Instead of declaring war on your skin, tend it like a garden—with patience, wisdom, and respect for the complex relationships that create health from the inside out.

Ready to find out why?

If what you just read sounds familiar, a free strategy session is a good place to start. We'll look at what's going on, what's been tried, and whether functional testing makes sense for you.