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Asthma

Asthma | October 14, 2018 | Author: Naturopath

Asthma

Asthma

One in nine Australians have asthma – that's over 2.5 million people. Asthma is a recurrent, reversible narrowing of the airways due to chronic inflammation – translation: the airways become temporarily restricted or “tight”, allowing only a small amount of air to flow to the lungs. In severe asthma attacks, the airways may become completely blocked.

Asthma symptoms

  • Shortness of breath
  • Chest pain or tightness
  • Dry coughing with no mucus
  • Wheezing when exhaling
  • Difficulty sleeping because of symptoms

There are actually over ten categories of asthma including exercise-induced, night-time, and work-related asthma. But these can generally be assigned to one of two groups: allergic asthma, and non-allergic asthma.

Allergic Asthma

Also known as “extrinsic” asthma, allergic asthma commonly develops during childhood and is seen alongside other allergic conditions such as eczema or hay fever.

AsthmaDepending on the allergic trigger, this type of asthma can present seasonally or year-round – for example, asthmatics who are triggered by pollen may only suffer from symptoms during spring, while asthmatics who are triggered by dust mites or cockroaches will experience symptoms whenever exposed to these allergens regardless of the time of year. Most people “grow out of” allergic asthma in adulthood but it can remain or develop into non-allergic asthma.

Non-Allergic Asthma

Intrinsic asthma, or non-allergic asthma, is far less common than allergic asthma. It mostly affects people over the age of 30, and it often presents for the first time after a respiratory tract infection. This type of asthma tends to occur year-round.

Common Asthma Triggers

Asthma can be triggered by irritants that aggravate the bronchial system, such as allergens. These common allergens can also trigger non-allergic asthma in some people – any types of irritants can cause inflammation in the airways and secretions of mucus that block off air flow.

  • Pollen
  • Dust mites
  • Cockroaches
  • Tobacco smoke
  • Air pollution
  • Mold
  • Pet fur or dander
  • Smoke from fires
  • Infections
  • Exercise
  • Stress and emotions
  • Aspirin
  • Gastroesophageal reflux disease (GERD)

AsthmaFACT: Allergic rhinitis (often referred to as seasonal allergies) often occurs alongside asthma, but it's unclear whether it triggers asthma or vice versa [1].

Over 80% of people with asthma also suffer from seasonal allergies, with symptoms of itchy eyes, sneezing, blocked or runny nose, and sinus headaches presenting along with asthma symptoms [2].

Risk Factors for Asthma

  • Family history of asthma OR allergic conditions
  • Hay fever or seasonal allergies, either currently or in the past
  • Exposure to cigarette smoke
  • Obesity

Natural Therapies for Asthma

Zinc

Zinc is a key nutrient in the immune system where it helps to control the body's responses to allergens. Multiple studies have found that people with asthma often have lower levels of zinc, and that zinc insufficiency can cause an increase in allergy reactions [4] [5].

A 2016 study found that asthmatic children who took 30mg of zinc per day along with their regular asthma medications experienced significant improvement in the severity of their symptoms during asthma exacerbations [3]. An early trial found that zinc supplementation improved the symptoms of coughing, wheezing and difficulty breathing as well as measurements of lung health [6].

Licorice Root

Licorice is commonly used in Traditional Chinese Medicine and Western herbal medicine traditions as a lung tonic, to soothe the bronchial system and reduce irritation in asthmatic airways. Studies have shown that licorice root has an anti-inflammatory effect on the tissues of the airways, and may help to reduce sensitivity to allergies and irritants [7].

AsthmaBecause it can soothe the airways, licorice root may be helpful in both intrinsic and extrinsic asthma.

The root can be taken as a tea, tablet, capsule, or as a liquid tincture.

CAUTION: Licorice root may alter blood pressure. Speak to a qualified herbalist or naturopath before taking licorice root, particularly if you have high blood pressure or are taking blood pressure medications.

Probiotics & Prebiotics

You've heard about how the gut influences your immune system, right? Evidence shows that the quality of the beneficial bacteria and yeasts (aka probiotics) living in your gut affects the whole body's immune functions such as inflammation and allergies. While evidence is currently lacking,  theory has it that supporting these good bugs by taking probiotics could reduce your sensitivity to asthma triggers [7]. Strains that are known to have anti-allergy effects include Lactobacillus rhamnosus, Bifidobacterium lactis and Lactobacillus acidophilus [8].

Prebiotics “eat” probiotics. Prebiotics are different types of fibre that survive digestion in the stomach and are then travel to the intestines where probiotics ferment them. This fermentation is essential – it is the byproducts of this process that create the body-wide benefits of having a healthy gut. If you are taking probiotics but not noticing any difference in your gut function or overall health, think about changing the kinds of fibre you are eating or adding a prebiotic supplement. Speak to a qualified nutritionist or naturopath for personalised advice.

Lifestyle Changes

AsthmaAvoiding asthma triggers can seem difficult at first, but. Allergy testing can help to narrow down the allergen responsible.

Once you have identified your triggers, adjust your lifestyle to avoid them as best you can. For example, if dust is a trigger then vacuum regularly, remove rugs, and wash your bedding weekly to destroy dust mites.

Meditation and relaxation techniques have been shown to help emotion-induced asthma [11].

Exercise

Strengthening the lungs can also help to reduce the severity of asthma symptoms [10]. Try regular mild to moderate exercise, such as swimming, yoga, walking, and tai chi. Speak to your doctor before starting if you have exercise-induced asthma.

Antioxidants

Antioxidants are powerful anti-inflammatory agents, and many also help to strengthen the immune system against allergy reactions. Studies have found that adult asthmatics with the worst symptoms typically have a low dietary intake of antioxidant-rich fruits [12]. Boosting these antioxidant nutrients (amongst many others) could help to reduce the severity and frequency of asthma symptoms:

  • Vitamin C
  • Quercetin
  • Vitamin E
  • Beta-carotene
  • Selenium

Antioxidants work in combination with each other, so taking a supplement that contains multiple antioxidants is more effective than taking just one or two separately.

www.superpharmacy.com.au  Australia’s best online discount chemist

References

[1] Kim, H., et al. (2008) The link between allergic rhinitis and asthma: A role for antileukotrienes? Can Respir J., 15:2, 91 – 98. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2677841/

[2] Egan, M. & Bunyavanich, S. (2015) Allergic rhinitis: the “Ghost Diagnosis” in patients with asthma. Asthma Research and Practice, 1:8, https://asthmarp.biomedcentral.com/articles/10.1186/s40733-015-0008-0

[3] Rerksuppaphol, S. & Rerksuppaphol, L. (2016) Zinc Supplementation in Children with Asthma Exacerbation. Pediatr Rep., 8:4, 6685. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5178847/

[4] Seo, H., et al. (2017) Serum Zinc Status and Its Association with Allergic Sensitization: The Fifth Korea National Health and Nutrition Examination Survey. Sci Rep., 7, 12637. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5626772/

[5] Khanbabaee, G., et al. (2014) Serum level of zinc in asthmatic patients: a case-control study. Allegol Immunopathol (Mandr)., 42:1, 19 – 21. https://www.ncbi.nlm.nih.gov/pubmed/23312452

[6] Ghaffari, J., et al. (2014) Effect of zinc supplementation in children with asthma: a randomized, placebo-controlled trial in northern Islamic Republic of Iran. East Mediterr Health J., 20:6, 391 – 396. https://www.ncbi.nlm.nih.gov/pubmed/24960516

[7]  Adami, A. J. & Bracken, S. J. (2016) Breathing Better Through Bugs: Asthma and the Microbiome. Yale J Biol Med., 89:3, 309 – 324. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5045140/

[8] Yang, G., et al. (2013) Treatment of Allergic Rhinitis with Probiotics: An Alternative Approach. N Am J Med Sci., 5:8, 465 – 468. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3784923/

[9] Kim, H., et al. (2013) Clinical efficacy and mechanism of probiotics in allergic diseases. Korean J Paediatr., 56:9, 369 – 376. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3819679/

[10] Dogra, S., et al. (2011) Exercise is associated with improved asthma control in adults. Eur Respir J., 37:2, 318 – 323. https://www.ncbi.nlm.nih.gov/pubmed/20530042

[11] Pbert, L., et al. (2012) Effect of mindfulness training on asthma quality of life and lung function: a randomised controlled trial. Thorax., 67:9, 769 – 776. https://www.ncbi.nlm.nih.gov/pubmed/22544892

[12] Patel, B. D., et al. (2006) Dietary antioxidants and asthma in adults. Thorax., 61:5, 388 – 393. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2111195/

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