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Yan Xin Liang
Pediatrics
About me
Graduated from Nanhua University, engaged in pediatric work for over 10 years, and have further studied at Hunan Children's Hospital, Xiangya Hospital, and Beijing Children's Hospital.
Proficient in diseases
Diagnosis and treatment of common diseases in pediatric internal medicine, especially skilled in the diagnosis and treatment of pediatric respiratory system and neurological diseases, such as pediatric convulsions, epilepsy, asthma, and lung infections...
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What are the symptoms of epilepsy in children?
Common symptoms of epilepsy in children generally include sudden convulsions. During a convulsion, the typical manifestations are tightly closed or staring eyes, rolled-up eyeballs, clenched teeth, twitching at the corners of the mouth, frothing at the mouth, head and neck thrown back, and repetitive flexing or rigid shaking of the limbs. Generally, these can last for a few minutes, or vary from several seconds to ten minutes. Of course, there are also focal seizures, such as twitching of one side of the body, or absence seizures. Some infantile spasms are characterized by jackknife movements, occurring in clusters, with each display being different. The symptoms described earlier are typical of a generalized tonic-clonic seizure.
What causes albinism in infants?
Albinism in infants is caused by a deficiency or dysfunction of tyrosinase, leading to a lack of melanin or a synthesis disorder in the skin and its appendages. This inherited form of albinism results in the retina lacking pigment, with the iris and pupils appearing pale pink, and sensitivity to light. The skin, mucous membranes, hair, and other body hair are white or yellowish-white. Albinism is a familial hereditary disease, inherited as an autosomal recessive trait, often occurring in populations with a high rate of consanguineous marriages. In the genetic pedigree of albinism, both parents carry the albinism gene; carriers themselves do not show symptoms but can pass the causative gene to their children, who then manifest the disease.
How many days does it take for a toddler to develop a rash in the case of sudden rash syndrome?
If it's roseola infantum, it is a febrile rash disease. Generally, fever might last about two to three days. After that, a rash will appear, usually after the fever settles down. Initially, this rash typically starts on the face and head, and then spreads to the trunk, chest, back, and can even cover the entire body. These rashes are small papules and generally fade away within two to three days without leaving any scars. Once the rash appears, there's no need to worry, as the body temperature should start to decrease.
How to reduce fever in children with roseola
In general, infantile roseola initially presents as high fever, which is usually due to viral infection. If the fever subsides after about two days, it is similar to other common viral infections. If the fever is not very high, physical cooling methods can be used, such as sponging with warm water or taking a warm bath. Additionally, fever can be reduced with medications such as ibuprofen and acetaminophen, and it is preferable to avoid intravenous infusions for children with these medications.
How should pediatric diarrhea be treated?
For childhood diarrhea, initially probiotics can be administered to adjust the intestinal flora, commonly used probiotics include Bifidobacterium or Lactobacillus acidophilus. Next, it's important to protect the gastrointestinal mucosa, for which oral smectite powder can be given. Additionally, diarrhea can easily damage the gastrointestinal mucosa, so it's appropriate to supplement with zinc or folic acid to promote the repair of the gastrointestinal mucosa. It is also important to ensure fluid replenishment to maintain hydroelectrolytic balance, commonly using oral rehydration salts which can replenish both fluids and electrolytes. Attention should also be paid to the child’s mental response and urinary output.
How to diagnose vitiligo in babies?
Babies diagnosed with vitiligo generally need to be differentiated from the following diseases. The first is anemic nevus, which is a congenital hypopigmentation that often exists at birth. If you rub the skin in the affected area, it does not turn red, while the surrounding normal skin does. Another is achromic nevus, which appears at or shortly after birth, characterized by localized hypopigmentation that often follows the distribution of nerve segments, with blurry boundaries. Additionally, there is tinea versicolor, which tends to occur in hot weather, with hypopigmented patches that have a bran-like or scaly appearance and a positive fungal test. It also needs to be differentiated from pityriasis alba, also known as white pityriasis, which commonly appears on children's faces and has a slightly rough surface. Generally, vitiligo diagnosis still requires further confirmation through tests such as Wood's lamp, dermatoscopy, skin CT, and fungal examinations.
How should a child's cough be treated after a cold?
After catching a cold followed by coughing, this is often due to viral or bacterial infections leading to pharyngitis, bronchitis, or pneumonia that cause coughing. Under this circumstance, the initial treatment is anti-infection. If it is considered a bacterial infection, then sensitive antibiotics should be added either orally or intravenously; if a viral infection is considered, then the primary treatment is symptomatic. For instance, taking some expectorant and cough suppressant medications, including Western or proprietary Chinese medicines. Concurrently, nebulizer inhalation can be administered to achieve expectoration, spasm relief, and cough suppression. Additionally, intravenous cough suppressants, enhancing back patting, and drinking more warm water can help dilute sputum and promote its expulsion among other treatments.
What to do about baby thrush?
Thrush in babies generally indicates that the child has low immune function, or it has been caused by the long-term use of antibiotics, leading to an imbalance of bacteria and the overgrowth of white Candida in the oral mucosa. Thrush is not scary, and we can generally treat it by using 2.5% sodium bicarbonate to clean the mouth, followed by applying nystatin tablets to the oral cavity three times a day. It usually heals in three to five days. However, thrush tends to recur, so it's important to pay attention to oral hygiene.
What should a baby eat if they have indigestion?
If the baby has indigestion, first of all, in terms of diet, provide light and easily digestible foods, such as rice porridge and noodles as complementary foods. If the baby is breastfed, the mother should eat a light diet and avoid greasy and spicy foods. If the baby is fed with cow's milk, try to dilute it a bit to aid in digestion. At the same time, they can eat more vegetables and fruits, which are relatively easy to digest. Some traditional Chinese medicines can also be given for regulation, such as Shenqu, Ji Nei Jin, hawthorn, and malt, all of which aid digestion. Additionally, intestinal probiotics can be added to regulate gastrointestinal function and an appropriate amount of zinc can be supplemented to increase appetite.
How is phenylketonuria cured?
Phenylketonuria is an autosomal recessive genetic disease, primarily due to a mutation in the phenylalanine hydroxylase gene which leads to reduced enzymatic activity, causing the accumulation of phenylalanine and its metabolites in the body, thereby leading to this disease. The main manifestations include developmental intellectual disabilities, light skin and hair pigmentation, and a musty urine odor. Once diagnosed, immediate treatment is necessary, mainly using a low-phenylalanine formula milk. Generally, when orally administering low-phenylalanine formula milk, it is essential to monitor the phenylalanine levels in the blood. Since each patient has a different tolerance level for phenylalanine, periodic determination of blood phenylalanine concentration is required in the dietary treatment. Such patients can only be treated long-term in this way; it is not curable nor can it be completely eradicated; treatment can only alleviate the symptoms and involves long-term administration of a low-phenylalanine diet.