Red spots on body after fever

Introduction After the child has a fever, the body has a red dot, which is a child's acute rash. Children's acute rash is also called rash or rose rash. It is a sudden rash caused by viral infection. It can occur all year round, especially in spring and autumn. It is common in babies born between 6 months and 1 year old.

Cause

The child has a red rash after fever. The typical heat rash is caused by a virus infection. It occurs during the recovery period of the disease. It does not need to be treated. It does not need to be rubbed. As long as it is clean and hygienic, it usually takes about 2 days. Will fade on its own. Pay attention to keep warm, ensure nutrition, and drink more water. Don't go to crowded places at this time.

an examination

Related inspection

Blood routine routine examination

The baby firstly had a high fever for 3 to 4 days, and the body temperature was between 39 and 40 degrees. After the heat was retreated, the skin quickly developed a rash, and the rash quickly subsided, without scaling and no pigmentation. These babies also have fever before the appearance of rash, the heat can be relatively high, but the symptoms of cold are not obvious, the spirit, appetite, etc. are OK, the throat may be red, the lymph nodes of the neck and occipital can be touched, but there is no tenderness. Others have no symptoms or physical symptoms. When the body temperature will retreat or has retreated, the rose red rash appears all over the body. In fact, the child's acute rash is coming to an end. Children's acute rash has no effect on the health of the baby. After one time, it will be immunized for life.

Differential diagnosis

Differential diagnosis:

1, rubella: the first 1-2 days of symptoms are very mild, may have low or moderate fever, mild cough, fatigue, poor appetite, sore throat and red eyes and other mild upper respiratory symptoms. The patient's oral mucosa is smooth, without congestion and mucosal plaques, and the lymph nodes are enlarged behind the ear and occipital with mild tenderness. A rash usually occurs 1 to 2 days after fever, and the rash starts from the face and neck and spreads throughout the body in 24 hours. The rash is initially sparse red maculopapular rash, and the face and limb rash can be merged later, similar to measles. The next day after the rash starts, the facial and limb rash can become a needle-like red dot, such as a scarlet fever-like rash. The rash usually resolves quickly within 3 days, leaving a lighter pigmentation. The body temperature does not rise during the rash period.

2, measles: moderate fever; cough, runny, tears, pharyngeal congestion, conjunctival inflammation, eyelid edema, increased tears, photophobia, lower eyelid edge has an obvious congestion line (Stimson line), cheek mucosa, lip The mucosa diameter is about 1.0mm grayish white, and there is a red halo outside, which disappears within 1~2 days after the rash. Children often have vomiting and diarrhea, and rash occurs 3 to 4 days after fever. The body temperature can suddenly rise to 40~40.5 °C, the rash begins to sparse and irregular red maculopapular rash, develops downwards within 24 hours, spreads over the face, trunk and upper limbs. On the third day, the rash affects the lower extremities and feet, skin edema, facial edema Deformation. After 3 to 4 days of rash, the rash began to subside. After the rash retreated, the skin remained with bran-like desquamation and brown pigmentation, and healed in 7 to 10 days.

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