1 Does hand, foot and mouth disease necessarily affect the hands, feet and mouth?

Basically yes.

According to clinical observations of children with hand, foot and mouth disease, children with hand, foot and mouth disease will basically have small gray-white herpes or red papules on the skin of the soles of the hands and feet, arms, legs, buttocks, and in the mouth. , these rashes are neither painful nor itchy, and will gradually disappear as the child recovers, and will not scab or leave scars after recovery.

2 Is it hand, foot and mouth disease if herpes only appears on the mouth?

It does not necessarily mean hand, foot and mouth disease.

If a child only has herpes on the mouth but no rash on the hands, feet, and buttocks, it is not clinically appropriate to diagnose hand, foot, and mouth disease. Usually, this phenomenon may be caused by oral ulcers or herpetic angina. If there are herpes or ulcers in the mouth, parents should not judge by themselves. It is recommended to seek medical diagnosis in time and get symptomatic treatment.

3. Is it hand, foot and mouth disease if you have herpes only on your hands and feet?

It does not necessarily mean hand, foot and mouth disease.

In the summer when hand, foot and mouth disease is highly prevalent, in addition to rashes on hands and feet caused by hand, foot and mouth disease, children may also have rashes on hands and feet due to the following causes. Parents should pay attention to the distinction and not make casual judgments. For example: 1. Prickly heat

Prickly heat is a superficial inflammatory reaction caused by the obstruction of the sweat gland duct opening and the rupture of the sweat duct after sweat retention. It usually appears in batches. Common locations include armpits, neck, chest, back, baby's head and face, and even spread to all parts of the body. 2. Eczema

Babies with eczema will also have dense miliary-sized papules, papules or blisters on their body. The base will be flushed and gradually merge into sheets. Due to scratching, the top of the papules, papules or blisters will appear. After scratching, there will be obvious point-like oozing and small erosion surfaces with unclear edges. It mostly occurs between 1 month and 2 years old, and babies aged 2 and 3 months are the most serious. 3. Measles

Measles is a highly contagious disease caused by the measles virus. The symptoms of measles virus only begin about 6 to 21 days after infection. Symptoms of upper respiratory tract infection appear in the first 3 to 5 days, with a high fever of about 39 to 40 degrees. A white internal rash of 0.5 to 1 mm the size of a pinhead appears on the cheek mucosa opposite the first molar in the mouth. It disappears after 2-3 days.

Next, a red rash appears behind the ears, gradually spreading to the forehead, face, and neck, then extending to the chest, abdomen, and back, and spreading throughout the body in 2-3 days. The red dots are 2-5mm in diameter, fade when pressed, and are sparsely distributed. At the peak of the rash, the body temperature can reach 40 degrees when the poisoning is severe, and infants and young children are more likely to suffer from bacterial infections than adults. The body temperature drops 1-2 days after the peak, and the red spots subside in the order of rash 2-3 days later. The entire course of the disease is about 10-14 days. 4. Scarlet fever

Scarlet fever is called "rotten throat syndrome" in traditional Chinese medicine. It mainly occurs in winter and spring and is caused by Group A streptococcus infection. The incubation period is 2-5 days.

The typical symptoms are congestion and redness of the skin all over the body, scattered with dense and uniform punctate congestive erythema the size of a pin cap, which completely subsides under hand pressure and reappears after removal of pressure. Accompanied by fever and angina, peeling symptoms appear after the rash subsides, lasting for 2-4 weeks, without leaving any pigmentation. 5. Drug rash

Drug rash, to put it bluntly, is an adverse reaction caused by taking medication, mostly due to allergies, drug overdose, side effects, idiopathic properties of the drug, etc. Sulfa drugs are most likely to cause drug eruptions. Generally, the onset is sudden, with redness, itching and symmetrical distribution of the skin, and various rash types. The rash subsides after stopping the drug. It is easier to diagnose when a baby has a drug rash. The mother only needs to recall whether she has given any medicine to her baby directly or indirectly in the past two days. 6. It may be caused by mosquito bites

If the baby’s hands and feet are bitten by mosquitoes, small red papules and local itching will appear; in some cases, bite marks (ie, smooth, raised, red spots) will appear. skin) or swollen.

After being bitten, you can use a children's anti-itch lotion or gel to reduce redness and swelling. 7. Urticaria

In addition, if the baby is infected with urticaria, it will also cause rashes on the hands and feet, but these rashes are in the shape of clusters and accompanied by itching. They are not like the rashes of hand, foot and mouth disease, and are not itchy. Pain.

4 How to distinguish hand, foot and mouth disease from other similar diseases 1. How to distinguish hand, foot and mouth disease from herpangina

(1) The location of herpes is different

1. Most children with hand, foot and mouth disease first have herpes in the throat, and then develops to the palms and soles of the feet, and a few will develop to the back of the hands and insteps.

2. Herpes angina only appears in the mouth.

(2) Rash characteristics are different

1. The rash of hand, foot and mouth disease is generally the size of millet grains or mung beans, surrounded by red, gray-white vesicles or red papules, which are not painful. , no itching, no scab.

2. Herpes Angina Herpes starts out as small gray-white papules with redness around them, which later turn into shiny herpes, and then turn into small ulcers after ulceration. Papules, herpes, and ulcers coexist in most cases. 2. How to distinguish hand, foot and mouth disease from chickenpox

(1) The locations of "acne" are different

1. The "acne" of hand, foot and mouth disease mainly appear on the oral mucosa, Hands and feet, along with symptoms of oropharyngeal or oral ulcers.

2. Chickenpox is a systemic symptom. Generally, "acne" is spread all over the body, most often on the front, back, chest, abdomen and back. In addition, "acne" may appear on the scalp, soles of the feet, fingers, and palms.

(2) The rashes are different

1. The rash of hand, foot and mouth disease is smaller and redder in color, and the itching is not obvious. Along with low-grade fever, there are also systemic symptoms such as runny nose, anorexia, sore throat, and abdominal pain. Herpes on the oral mucosa are about 1-3 mm in size. After the blister breaks, it will turn into shallow erosion and ulcers, with obvious burning sensation. Red maculopapular rashes or blisters usually appear on the palms of the hands, the back of the toes and other places that are prone to friction. Ranging from a few to dozens. Usually 7-10 days.

2. Chickenpox may cause a red rash the size of a grain of rice when the person is having fever or the next day. After a few hours, the rash turns into a herpes that is as bright as water droplets and is slightly larger and brighter. The skin is thin and itchy. The condition generally lasts for 1-2 weeks.

(3) Different accompanying symptoms

1. Children with hand, foot and mouth disease generally have sore throat and refuse to eat due to sore throat.

2. Children with chickenpox do not have this phenomenon. 3. How to distinguish hand, foot and mouth disease from papular urticaria

(1) The characteristics of the blisters are different

1. Hand, foot and mouth disease are mostly oval white blisters with a rice shape, surrounded by There is redness, which looks dry and not itchy. It is more common in the fingertips, palms, soles of feet, mouth and other parts of the body.

2. The blisters of papular urticaria are skin-colored or light red or light brown, vary in size, are hard to touch, and have no redness around them. Children often experience severe itching and can cluster or spread. Commonly seen on the chest, back and limbs.

(2) The accompanying symptoms are different

1. Hand, foot and mouth disease is usually not itchy, and generally does not excessively affect the baby's sleep.

2. Papular urticaria is often accompanied by severe itching, especially at night, which seriously affects the baby's sleep. 4. How to distinguish hand, foot and mouth disease from oral ulcers

The symptoms of the disease are different

1. The symptoms of hand, foot and mouth disease are small red rashes on the palms, soles of the feet, mouth and buttocks, and there are many Accompanied by fever.

2. The symptoms of oral ulcers are small red rashes in the mouth, throat, soft and hard jaws, and the inside of the upper and lower lips, mostly without fever.