Can I eat crab if I have a skin allergy?

Written by Xie Ming Feng
Dermatology
Updated on September 03, 2024
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People with skin allergies should avoid eating crab. Crab is cold in nature and salty in taste, containing a rich array of trace elements and is a high-protein food. Traditional Chinese medicine believes that crab has the effects of clearing heat, relaxing tendons and activating blood circulation, and facilitating joints. However, it is also considered a product that can activate internal wind, classified as an allergenic food. Similarly, Western medicine recognizes crab as a form of foreign protein. Clinically, we have seen patients who are allergic to crab, so for those with skin allergies, we do not recommend eating crab.

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How to completely cure skin allergies?

To fundamentally cure skin allergies, it is first necessary to identify the allergens causing the patient's allergies. Once the allergens are identified, it is essential to avoid further contact with these allergens. Subsequently, treatment can be undertaken using anti-allergy or antihistamine drugs. Finally, during the period of skin allergy, it is important to maintain a light diet, avoid spicy and irritating foods, and abstain from smoking and alcohol.

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What should I do if I have skin allergies and itching?

Skin allergies and itching require actively searching for the triggering factors, i.e., allergens. Identifying what has irritated the skin and caused the allergic reaction is crucial, then avoiding further contact to prevent recurrence or worsening of the condition. If the allergy is triggered by consuming fish, shrimp, seafood, tropical fruits, etc., it is important to avoid eating similar foods in the future. If the use of certain cosmetics or skin care products causes allergies, avoid using other products containing the same ingredients. If the allergy is caused by certain medications, typically appearing within four days to a month of usage, it is advised to switch medications and avoid taking the same one again. For more severe allergic symptoms, such as significant itching, oral antihistamines like loratadine, desloratadine, cetirizine, and ebastine can be taken. Topical anti-itch medications like calamine lotion can be used, and for more severe conditions, topical corticosteroids or tacrolimus ointment can be applied. If symptoms do not improve or worsen with the aforementioned treatments, short-term oral steroids might be considered to manage the condition. (Note: Medication should be used under the guidance of a physician.)

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How to deal with sunburned allergic skin?

Sunburned skin allergies are actually caused by the strong ultraviolet rays contained in sunlight. When ultraviolet rays shine on the skin, they can cause allergies and other damage to the skin. If sunburn-induced skin allergies occur, it is essential to avoid further exposure to sunlight and keep away from it. Secondly, keep the skin clean and avoid using irritating cleansing products. Finally, it is recommended to use cold compresses for treatment and apply some aloe vera gel to the affected areas of the skin.

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Can people with skin allergies eat peanuts?

If you have skin allergies, be a little cautious with peanuts. If you have never been allergic to peanuts, eating them while having a skin allergy should not be a problem. Peanuts have high nutritional value and can be compared to animal foods such as eggs, milk, and meat, earning them the nickname "longevity fruit." Traditional Chinese medicine says that peanuts can strengthen the spleen and stomach and moisten the lungs to reduce phlegm. Clinically, we still see patients who are allergic to peanuts. Therefore, if you have been allergic to peanuts before, you should avoid eating them.

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Symptoms of skin allergies

Skin allergies are very common, and their main symptoms include itching, rashes, or changes in skin color. One of the more common symptoms of skin allergies is itching, which in some patients may be so severe that it makes it hard to sleep. Another symptom is developing rashes. It is important not to scratch the rashes with hands, as breaking the skin can lead to secondary bacterial infections.