
While there is no cure for psoriatic arthritis, dietary adjustments may help relieve symptoms and prevent flare-ups. Doctors do not prescribe a specific diet for psoriatic arthritis, but diets that focus on certain ingredients may have benefits. For example, the Mediterranean diet, which includes plenty of nuts, fruits, and vegetables, offers anti-inflammatory properties that are beneficial to people with psoriatic arthritis. The paleo diet may also help with weight management, which is important for people with psoriatic arthritis as being overweight can affect the severity of the condition. In general, it is recommended to focus on eating anti-inflammatory foods and maintaining a healthy weight.
| Characteristics | Values |
|---|---|
| Diet type | Anti-inflammatory, Mediterranean, Paleo, Ketogenic |
| Foods to eat | Fruits, vegetables, nuts, seeds, fatty fish, whole grains, yogurt, fermented foods, kale, peppers, lean meats, legumes |
| Foods to avoid | Nightshade foods, dairy, red meat, gluten, refined sugar, processed foods, legumes, alcohol, eggs, coffee, oil, food additives |
| Effectiveness | Limited evidence, but may help manage symptoms and reduce flare-ups |
| Individual variation | Yes, some people may have food intolerances or sensitivities that impact their condition |
| Professional guidance | Recommended to consult a doctor or dietitian for tailored advice |
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What You'll Learn

The Mediterranean diet
While there is no cure for psoriatic arthritis, changing your diet may help ease the painful symptoms. A Mediterranean diet is frequently recommended for its anti-inflammatory and disease-fighting powers. This diet includes plenty of nuts, fruits, and vegetables, as well as whole grains, legumes, and fatty fish like salmon, sardines, and tuna.
Nuts, another key component of the Mediterranean diet, play an important role in an anti-inflammatory diet. Over a 15-year period, a study found that participants who consumed the most nuts had a 51% lower risk of dying from an inflammatory disease compared to those who ate the fewest nuts. Additionally, nuts are high in monounsaturated fat, which promotes weight loss and is satiating.
While there is no one-size-fits-all approach to managing psoriatic arthritis through diet, the Mediterranean diet offers a well-rounded approach to improving overall health and reducing inflammation, which can help to ease the symptoms of psoriatic arthritis.
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Anti-inflammatory foods
While there is no cure for psoriatic arthritis, changing your diet may help ease painful symptoms. An anti-inflammatory diet may also help maintain a healthy weight and reduce the risk of developing other conditions, such as heart disease.
Fatty fish
Salmon, sardines, tuna, mackerel, herring, and anchovies are rich in omega-3 fatty acids, which have been found to have antioxidant and anti-inflammatory properties. The American Heart Association recommends eating these fatty fish at least twice a week to protect your heart health.
Seeds
Hemp seeds, chia seeds, and flaxseeds are also high in omega-3 fatty acids, which can help reduce inflammation.
Nuts
Nuts are a good source of polyunsaturated and monounsaturated fats, which help lower cholesterol and reduce the risk of heart disease. Walnuts, in particular, are high in alpha-linolenic acid, an anti-inflammatory omega-3 fatty acid. Almonds and cashews are rich in magnesium, which helps maintain joint cartilage.
Fruits and vegetables
Berries, dark chocolate, leafy greens, and citrus fruits are high in antioxidants, which keep your immune system healthy and may fight inflammation.
Whole grains
High-fiber whole grains like brown rice, oats, quinoa, and whole wheat are digested slowly, helping to reduce blood sugar spikes and inflammation. They can also help maintain normal blood cholesterol levels, reducing the risk of heart disease.
Teas
Green, white, and black teas are high in polyphenols, which boost your immune system and have anti-inflammatory effects.
Spices
Turmeric, ginger, and cayenne are spices that are known to have anti-inflammatory properties.
While there is no one-size-fits-all diet for psoriatic arthritis, incorporating these anti-inflammatory foods into your meals can be a good place to start. It's also important to note that maintaining a healthy weight can help reduce the stress on your joints and lower the risk of psoriatic disease.
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Omega-3 fatty acids
While there is no specific diet for psoriatic arthritis, eating healthier foods can help ease painful symptoms and reduce inflammation. Omega-3 fatty acids, in particular, have been found to have anti-inflammatory properties that can help those with psoriatic arthritis.
Foods that are rich in omega-3 fatty acids include fatty fish like salmon, herring, mackerel, sardines, and tuna. Plant-based sources include hemp seeds, chia seeds, flaxseeds, and walnuts. The U.S. Department of Agriculture recommends at least two servings of fish per week to get the full benefits of omega-3 fatty acids.
In addition to their anti-inflammatory effects, omega-3 fatty acids have also been found to have benefits for heart health, brain function, and diabetes. Studies have shown that omega-3 supplementation can help reduce joint tenderness and redness in people with psoriatic arthritis, as well as decrease the need for over-the-counter pain relievers.
It is important to note that individual results may vary, and it is always recommended to consult with a doctor or dietitian before making any significant changes to your diet.
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Weight loss
A healthy, balanced diet is recommended for those with psoriatic arthritis, which can help individuals reach and maintain a healthy weight. This can be achieved through a diet that includes whole grains, fruits, vegetables, nuts, and seeds. The Mediterranean diet is often recommended, which includes plenty of nuts, fruits, and vegetables, and fewer processed foods and added sugars or fats. The paleo diet may also help with weight management and metabolic health conditions.
Some foods to avoid include red meat, dairy, and sugar, as these can cause inflammation. Red meat and dairy contain an acid that can trigger inflammation and make psoriasis worse. Sugar is also linked to increased inflammation.
It is important to note that there is no single diet that fits everyone with psoriatic arthritis, and individual food intolerances may play a role in triggering symptoms. It is recommended to consult a doctor or dietitian before making any significant dietary changes.
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Whole grains
While there is no cure for psoriatic arthritis, dietary adjustments can help manage the symptoms. Whole grains are an important component of a healthy diet for people with psoriatic arthritis. Whole grains are packed with fibre and can help maintain normal blood cholesterol levels. They can also help manage blood sugar levels, reduce the risk of heart disease, and reduce inflammation in the body.
The paleo diet, on the other hand, cuts out grains, legumes, nightshades, dairy, eggs, and sugar. This diet may help with psoriatic arthritis by reducing swelling, as it eliminates fatty foods and dairy products. However, there is no proof that the paleo diet stops psoriatic arthritis symptoms.
A whole-food, plant-based diet has also been shown to help manage psoriatic arthritis. This diet is centred on fruits, vegetables, whole grains, legumes, nuts, and seeds, while minimising animal-derived and processed foods.
In conclusion, whole grains are an important part of a healthy diet for people with psoriatic arthritis. They can help reduce inflammation and manage weight, which are both important factors in controlling the symptoms of the disease.
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Frequently asked questions
There is no single diet that fits everyone with psoriatic arthritis, but changing your diet may help ease painful symptoms. Doctors do not prescribe a specific diet for psoriatic arthritis, but diets that focus on certain ingredients may have benefits.
The Mediterranean diet offers anti-inflammatory properties that are beneficial to people who have psoriatic arthritis. The paleo diet may also help with weight management, which is important for people with psoriatic arthritis.
Focus on anti-inflammatory foods, such as fatty fish like salmon, sardines, and tuna, which are high in omega-3 fatty acids. Whole grains like brown rice, whole-wheat pasta, quinoa, barley, and bulgur wheat are also recommended, as they are loaded with fiber and can help maintain normal blood cholesterol levels.
Some people with psoriatic arthritis may be sensitive to gluten, so a gluten-free diet may help. Others may have an intolerance to dairy and need to avoid products that contain dairy. Red meat is considered highly inflammatory and should be avoided.


































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