Scratching a red bump is why

Itching of the limbs is a symptom of the disease that only has **itching and no primary **harm. According to the scope and location of itching, it is generally divided into two categories: systemic and localized. So what causes itching all over the body? What's the deal with itchy limbs and scratching red bumps?

What's the deal with itchy limbs and scratching red bumps?

1. Mosquito bites.

In addition to the mosquitoes we are familiar with, there are also full worms and other insects, if they are bitten, the small insects will metabolize an acidic substance, causing the bitten area to appear swollen and itchy, and a red bump when scratched.

What to do before going to bed to light up mosquito repellent equipment, such as mosquito coils, or wear mosquito repellent bracelets to sleep, for mosquito bites from swollen pimples, you can use calamine, mosquito repellent flower water, cool oil, soap, incomparable drops and other drugs to wipe and eliminate itching, it is usually recommended to maintain the human body clean, wear light gray clothes and pants after bathing, and wear long-sleeved tops and sports trousers for outdoor traffic to prevent mosquito bites. If you are dealing with full worms, you need to open the window regularly to ventilate gout, ensure indoor ventilation in the bedroom, clean and hygienic every day, maintain cleanliness, reduce dust, clean quilts, sheets, pillowcases every once in a while, and clean up the bedroom curtains, sheets, mattresses and other objects in the sunny temperature.

2. Allergic urticaria is also known as rubella.

It can be caused by touching allergens**, mucosal small capillariectasia and improved water permeability**Localized edema reaction, accompanied by strong itching, and can reverse ** disease. The patient feels itchy on the body, which may be caused by an allergy to something**, and if you scratch the itchy area, red bumps will appear.

The most important thing to do is to find your own allergens, you can use the enumeration method, such as cleaning the sheets, dismantling potted flowers, cleaning ** air conditioner, bedroom carpet, etc. to remove the cause of the disease, to avoid the onset of the disease, and then you can take some antihistamines, and their drugs to reduce vascular permeability, such as vitamin C, vitamin P, iron supplements, etc., for the small pimples and itching on the body, you can clean it with warm boiled water, and rub calamine to reduce itching and swelling.

Why do you get red bumps as soon as you scratch them?

The disease is called scratchism, also known as artificial urticaria. It is usually manifested by scratching by hand or scratching with a blunt object** after a few minutes of cord-like elevation along the scratch, with or without itching, and can resolve spontaneously after about half an hour. Late-onset ** scratch disease is characterized by the appearance of linear wheals and edematous erythema on ** a few hours after scratching, peaking in 6 to 8 hours, and generally lasting no more than 48 hours.

**Scratches can last weeks, months, or years, with an average of 2 to 3 years of self-healing. For patients whose condition seriously affects the quality of life, they can go to a regular hospital for corresponding symptomatic treatment.

1.Drying**:** Lack of water in the dry gear is easy to cause itching, and excessive scratching will lead to **Breakage, inflammation, infection and other problems.

2.Allergic reactions: Exposure to certain allergens, such as flower pink, pet hair, dust mites, etc., can cause allergic reactions, resulting in itching.

3.Mosquito bites with skin: Mosquito bites are also a common cause of itching, and excessive scratching will form large areas of pimples.

4.Diseases: Some** diseases, such as eczema, urticaria, etc., can also cause itching and pimples.

If you scratch a large bump, you should try to avoid excessive scratching, keep it dry and clean, and use cold compresses or soothing agents to relieve the itching. If the condition is severe or persists, you should seek medical attention and seek help from a medical professional.

It is allergen**. Go to a doctor for a consultation.

This is called scratching urticaria.

**There are several possibilities for itching and pimples as soon as you scratch them.

1. Urticaria, the pimple is mainly a flat wheal, or edematous erythema accompanied by itching. The rash is characterized by an indefinite onset, which rises and falls, resolves without traces, and can resolve within 24 hours.

Second, small pimples, scabs and such pimples, this situation is more likely to be eczema. In addition to this pimple, erosions, oozing, scratches, crusting, scaling with itching, and so on can occur.

For these two types of diseases, the main ones are anti-allergic**, such as oral levocetirizine hydrochloride capsules, olopatadine hydrochloride tablets or chlorpheniramine maleate tablets, topical hydrocortisone butyrate ointment or desonide ointment, etc.