Houston Cycles: Is AC Mold Amplifying PMS Harm?

By Franklin Everett Shaw

January 5, 2026

Is your period turning into a monthly monster? Are you battling mood swings that rival Houston’s unpredictable weather, and fatigue that even a double shot of Greenway Coffee can’t conquer? You might be surprised to learn that the culprit could be lurking in your AC unit: mold.

Houston’s humid climate is a breeding ground for mold, and your air conditioner, if not properly maintained, can become a prime incubator. This isn’t just about allergies; mold toxins, or mycotoxins, can wreak havoc on your hormonal balance, exacerbating PMS symptoms. Let’s dive into how to identify, remediate, and recover, specifically tailored for Houston women.

First, let’s talk about identifying the enemy. Mold isn’t always visible. You might not see black spots on your vents, but you might smell a musty odor, especially when the AC kicks on. This is a key indicator, particularly in older Houston homes in neighborhoods like the Heights or Montrose, where older ductwork is common.

Here’s a step-by-step guide to investigating:

1. The Sniff Test: Turn on your AC and walk around your home, paying close attention to vents. Do you detect a musty, earthy smell? Note the location.
2. Visual Inspection: Use a flashlight to examine the vents, particularly in bathrooms and kitchens. Look for discoloration, staining, or visible mold growth. Don’t forget to check the drain pan under your indoor AC unit; it’s a common breeding ground.
3. Filter Check: Remove your AC filter. Is it excessively dirty or discolored? A moldy filter is a major red flag. Replace it immediately with a high-quality filter (MERV 11 or higher) to trap mold spores.
4. Condensation Concerns: Check for condensation around windows and walls, especially in areas cooled by the AC. This moisture can fuel mold growth.

If you suspect mold, don’t panic. The next step is professional testing. In Houston, several companies specialize in mold inspections. I recommend starting with Mold Inspection Sciences Texas or RTK Environmental Group. They can provide air and surface samples to determine the type and concentration of mold in your home. Avoid DIY mold test kits; they are often inaccurate and unreliable.

Now, let’s connect the dots between mold and PMS. Mycotoxins disrupt the endocrine system, interfering with hormone production and regulation. This can lead to:

• Estrogen Dominance: Mold can mimic estrogen in the body, leading to an imbalance. This can worsen PMS symptoms like bloating, breast tenderness, and mood swings.
• Inflammation: Mold exposure triggers inflammation, which can exacerbate PMS-related pain and fatigue.
• Liver Overload: Your liver is responsible for detoxifying both hormones and mycotoxins. When overloaded with mold, it can’t efficiently process estrogen, further contributing to hormonal imbalances.

Remediation is crucial. Don’t attempt to clean mold yourself, especially if it covers a large area. This can release more spores into the air and worsen the problem. Hire a licensed mold remediation company experienced in Houston’s climate. Look for companies certified by the Institute of Inspection, Cleaning and Restoration Certification (IICRC). They will use specialized equipment and techniques to safely remove mold and prevent its recurrence.

Here’s what a professional remediation process typically involves:

• Containment: Sealing off the affected area to prevent mold spores from spreading.
• Removal: Physically removing mold-contaminated materials, such as drywall or carpeting.
• Cleaning: Cleaning and disinfecting surfaces with antimicrobial solutions.
• Drying: Ensuring the area is thoroughly dried to prevent future mold growth.
• Prevention: Addressing the source of moisture that caused the mold in the first place.

But remediation is only half the battle. You also need to support your body’s detoxification processes and restore hormonal balance. Here’s a Houston-specific approach:

• Diet: Focus on anti-inflammatory foods like leafy greens, berries, and fatty fish. Incorporate liver-supporting foods like beets, artichokes, and dandelion greens. Consider visiting the Urban Harvest Farmers Market for fresh, local produce.
• Hydration: Houston’s humidity can lead to dehydration, which can worsen PMS symptoms. Drink plenty of water throughout the day. Add electrolytes to replenish those lost through sweat.
• Supplements: Consider working with a functional medicine practitioner to determine which supplements are right for you. Common recommendations include:
  • Activated Charcoal: Binds to mycotoxins in the gut and helps eliminate them.
  • Milk Thistle: Supports liver detoxification.
  • DIM (Diindolylmethane): Helps balance estrogen levels.
• Stress Management: Stress can exacerbate hormonal imbalances. Practice relaxation techniques like yoga, meditation, or spending time in nature. Explore the trails at Memorial Park or take a stroll through the Houston Arboretum & Nature Center.
• Air Purification: Invest in a high-quality air purifier with a HEPA filter to remove mold spores and other allergens from your home.
• Sauna Therapy: Sweating helps eliminate toxins from the body. Consider visiting a local infrared sauna studio like Perspire Sauna Studio in River Oaks.

Finally, find a local practitioner specializing in hormonal health. Look for functional medicine doctors, naturopaths, or integrative gynecologists in the Houston area. They can help you identify underlying hormonal imbalances and develop a personalized treatment plan. Some reputable options include Houston Functional Medicine and The Center for Women’s Health.

Don’t let mold sabotage your hormonal health. By taking proactive steps to identify, remediate, and support your body, you can reclaim your well-being and conquer those monthly PMS monsters. Remember, you’re not alone. Houston women are resilient, and together, we can create healthier homes and bodies.