Antihistamines and Cervical Mucus

Ashley's picture

The cherry blossoms are in full bloom, and for many people, this means allergy season is here. Runny nose, red itchy eyes, sneezing, brain fog, fatigue, allergies are no fun.

Over-the-counter antihistamines are often the go-to's. They block your cells from releasing histamine - the chemical responsible for the notorious allergy symptoms. Antihistamines can work pretty well - sometimes too well, and with some unwanted side effects.

Antihistamine is really great at drying up mucus membranes - this means no more runny nose. But in some cases, they can dry up your skin, eyes, nose…. and, dry up your cervical mucus.

If you’re trying to conceive, this is not ideal. Cervical mucus is an indicator of your peak fertility window. It is the ideal medium for semen to travel up to your fallopian tubes and await a released egg to possibly fertilize. The cervical mucus essentially a road map. Ideally, it should change in consistency as you get closer to ovulation - being more egg white in quality/texture.

However, if you’re struggling with allergies and are in need of antihistamines- it may prevent optimal cervical mucus production. There are ways to minimize/avoid this!

My top 5 go’s to’s for Natural Allergy Support include:


  1. N-acetyl-cysteine (NAC). NAC is a precursor to glutathione, an antioxidant that supports liver detox and clears out oxidative stress. It is also a “muco-lytic”, meaning it’s excellent at breaking up mucus. This can be helpful for the congestion you experience with allergies, the runny nose, and can also help thin out your cervical mucus.

  2. Vitamin C - an antioxidant we’re all quite familiar with. Vitamin C can help stabilize mast cells (the immune cells responsible for creating histamine), preventing the overproduction of histamine. It can also help your body clear excess histamine production.

  3. Herbs - herbs that natural antihistamine and work with your body’s immune and lymphatic system can be an excellent alternative to OTC antihistamine, with minimal to no side effects.

  4. Nutrition - the strategy here will vary depending on the severity of your allergies, but may include adjusting your histamine intake, removing foods that trigger your immune system, etc.

  5. HEPA filter - this one can be a real game-changer for removing outdoor pollutants that make their way into your homes. 

If you’re struggling with allergies this season, check in with your Acubalance doc! There are a number of effective strategies to help get you through allergy season.

In Health,

Dr. Ashley Damm, ND


About Dr. Ashley Damm - Naturopath in Vancouver, BC

Dr. Ashley Damm obtained her Bachelor of Science degree in Molecular Biology and Biochemistry at Simon Fraser University with Cooperative Studies in Research and Development. Following this, she obtained her Doctorate of Naturopathic Medicine from Boucher Institute of Naturopathic Medicine. She is a registrant with the College of Naturopathic Doctors and a member in good standing with the British Columbia Naturopathic Association and Canadian Association of Naturopathic Doctors.

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Vancouver Naturopathic Doctor on Antihistamines and Cervical Mucus