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Natural Awakenings Greater Boston - Rhode Island

Allergies and the Nervous System: Calming Herbs for Yearlong Resilience

Mar 31, 2026 09:24AM ● By Hannah Tytus

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Seasonal allergies are often framed as a localized immune problem—something that happens in the nose, sinuses or lungs. But holistic practitioners see them as a whole-body experience shaped by stress, nourishment and environment. Linda Conroy, a bioregional herbalist with more than three decades of experience, uses native medicinal plants in a three-tiered approach that focuses on prevention, tonification and support. Tonification aims to nourish, strengthen and restore balance to the body’s vital energy.

“You’re not going to take one herb and have it fix everything,” explains the founder of Moonwise Herbs. “You have to work on diet, lifestyle, relationships and stress reduction. It has to be multilayered.” Rather than suppressing symptoms, Conroy works to strengthen the body’s baseline resilience so that when pollen counts rise or seasons shift, it is equipped to respond.

 

The Role of Stress

All parts of the body are interconnected. When the nervous system is stressed, other systems are affected. We see this with asthma, says Conroy, citing research that links prenatal and early-life stress to respiratory vulnerability later in childhood. “When someone’s respiratory system is in distress, we have to work with all the systems of the body to address it,” she explains.

A major player in immune system robustness is the endocrine system—a network of glands and organs that produce and release hormones into the bloodstream to regulate various bodily functions, including the stress response and mood. According to Conroy, hormonal imbalances can increase vulnerability. “Many people live their lives as if they are in danger all the time and this chronic alertness can make immune responses overactive,” she observes. “We also see a significant number of people with thyroid problems. When the pituitary or thyroid glands are weakened, people tend to be more reactive overall.”

To calm the nervous system, Conroy recommends a calcium-rich diet with ample leafy greens and dairy, as well as a long-steeped tea made with oatstraw—the dried green stalks and leaves of the oat plant, which is rich in calcium, magnesium and B vitamins. She also champions small rituals for stress relief such as always turning off the phone before bedtime or regularly enjoying a rosemary facial steam to rejuvenate the skin and feel restored. “Stay committed to something consistently,” she advises, recommending that people find their rhythm with their modalities of choice. Together, these practices reflect a holistic approach, relieving stress and improving allergy symptoms simultaneously, while building resilience year-round.

“Sleep, digestion and stress regulation form a feedback loop,” says Joanna Helms, founder of Mama Jo’s Sunshine Herbals. With more than 30 years of experience in Chinese, Western, Native American, Scottish, Unani-Tibb and Japanese herbalism, she defines her practice as a way to support the body in being the healer.

Helms recommends year-round herbal support to strengthen the body and reduce allergy vulnerability with calming herbs like oatstraw, lemon balm and holy basil. She also suggests regular exercise, adequate sleep, meditation, journaling and even talking with a friend. Evening rituals like massaging herbal salves into the feet before bed can calm the heart and settle the body.

 

Herbal Allies for Allergy Season

Conroy recommends nettle infusions, which she says have an antihistamine effect. Stronger than tea, infusions are made by steeping one ounce of nettle in boiling water for four to eight hours, then straining. This savory medicine keeps for up to three days in the refrigerator and can be enjoyed warm or cold, sometimes added to soups or paired with miso. Nettle can be overly drying for individuals in arid climates. In such cases, Conroy suggests marshmallow root to soothe dry, irritated mucous membranes.

Mullein is traditionally used to prevent or alleviate respiratory distress caused by colds and flu, and Conroy recommends it to strengthen the lungs. Mullein’s flavor profile pairs well with a sweetener of choice. Her favorite recipe combines warm mullein tea with steamed milk and maple syrup for a delicious herbal latte.

Both experts celebrate the antimicrobial and antibacterial properties of goldenrod, which has garnered a bad reputation when it is mistakenly associated with the allergy-inducing ragweed. In fact, goldenrod relieves allergies. Conroy calls it a tonifier that supports the whole system, “helping dampen the body’s overreaction, easing symptoms and reducing the intensity of the allergic response.”

“Goldenrod is one of my favorites for drying things up, especially in the eyes,” says Helms, adding that people in arid climates may find it too drying. In such cases, she recommends mixing goldenrod with chrysanthemum or licorice for a harmonizing blend.

 

Locally Sourced Herbs

According to Conroy, “We will get way more benefit from plants that grow around us. Try to source herbs as close to home as possible. It’s a relationship. I don’t think of herbs as a drug or pill. These are my allies; they’re going to support me. We need to care about the plants, and they will care about us.”

Helms encourages her clients to grow their own herbs, observe them as they grow from season to season or even draw them in a field journal. Such practices that foster listening, meditation and relationship remind us that plants can be healing even when we do not ingest them.

 

Hannah Tytus is an integrative health coach, former writer at the National Institutes of Health and host of the Root Shock podcast, exploring the cultural underpinnings of health.


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