An overview of psoriasis
Psoriasis is a chronic, immune-mediated, inflammatory skin disease characterised by the development of red scaly patches (psoriasis plaques) with thick silvery scales. These plaques can appear anywhere on the body, particularly the elbows, knees, back, buttocks and scalp. In addition, many people with psoriasis develop pitted or flaking and deformed nails.
Globally, 125 million people are affected by psoriasis, which begins most often in people aged 16 to 22 years and aged 55 to 65 years. Up to 40% of psoriasis patients develop psoriatic arthritis, an autoimmune arthritis that affects the joints and the areas where the tissue attaches to the bone.
Individuals with psoriasis are also at higher risk of developing cardiovascular disease, metabolic syndrome, diabetes mellitus, depression, anxiety, and other autoimmune conditions. In addition, raised serum antibodies to gliadin (found in wheat and some grains) and coeliac disease is more prevalent in people with psoriasis.
Psoriasis is an autoimmune condition where immune cells become overactive and attack active skin cell, releasing inflammatory molecules and stimulating skin cells resulting in the abnormally high rate of growth of skin cells.
Risk factors include genetic, environmental, and behavioural factors. Alterations in the skin and intestinalmicrobiome also play an important role in developing psoriasis.
Currently, there is no cure for psoriasis. Treatments for mild to moderate psoriasis involve topical treatments and phototherapy. Moderate to severe psoriasis often requires systemic drugs.
Potential triggers
- Genetic predisposition
- Physical factors (e.g. X-rays, injections, tattoos, insect bites)
- Chemical factors (e.g. chemical burns, topical treatments)
- Infections (mainly streptococcal pharyngitis, viral infections)
- Emotional stress
- Tobacco smoking
- Alcohol consumption
- B12, folate, zinc, and iron deficiencies
- Medications (beta-blockers, chloroquine, lithium, angiotensin-converting enzyme inhibitors, nonsteroidal anti-inflammatory drugs, anti-malarial drugs, rapid withdrawal of systemic corticosteroids).
Psoriasis subtypes |
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Plaque psoriasis (psoriasis vulgaris) |
The most common type (90% of cases), characterised by red, inflamed patches covered with thick, silvery scales that may come and go spontaneously or with the appearance and resolution of triggers. |
Guttate psoriasis |
Common in childhood and often triggered by upper respiratory tract infections such as streptococcal infection. It causes small pink spots, which often resolve spontaneously in weeks to months. |
Pustular psoriasis |
Characterised by white, pus-filled blisters and red, inflamed skin areas. It can be widespread or localised to palms and soles. |
Inverse psoriasis |
Causes patches of red, inflamed skin under the armpit or breasts, in the groin or around the genitals. |
Erythrodermic psoriasis |
A severe and rare type of psoriasis. The scales cover more than 75% of the body, and the and the skin appears sunburned. It can be life threatening and should be treated as a medical emergency. |
Long term holistic treatment aims
- Reduce skin inflammation, improve skin integrity, and facilitate wound healing to alleviate psoriasis symptoms and improve quality of life.
- Modulate the immune response and reduce chronic inflammation.
- Improve gut health and support the nervous system if ongoing stress is contributing.
- Address co-morbidities such as metabolic syndrome, diabetes, anxiety, depression and cardiovascular disease.
Herbal & Nutritional recommendations* Please contact your health professional for the prescription of herbal and nutritional remedies. |
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Vitamin A |
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Vitamin D |
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Vitamin B12 |
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Selenium |
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Zinc |
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Essential fatty |
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Probiotics |
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Aloe barbadensis |
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Boswellia serrata (Boswellia) |
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Capsaicin |
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Centella asiatica |
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Curcuma longa |
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Mahonia |
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Salix alba (White |
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Diet & Lifestyle recommendations |
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General dietary advice |
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Stress reduction |
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Exercise |
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Sunlight exposure |
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Skin care |
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Seek Medical Care
This is not an all-inclusive comprehensive list of information. Consult a qualified healthcare provider before starting any therapy. Application of clinical judgement is necessary.