Understanding Iron Deficiency Anemia in Adolescent Boys: A Case Study
Anemia in Adolescents (Males) A 14-year-old boy was diagnosed with iron deficiency anemia three years ago, but the cause has not been determined. It is unclear whether this is related to his father's early-onset osteoporosis (which occurred in his twenties) or if there is a ...
Dr. Pei Rensheng reply Pediatrics
Hello: For iron deficiency anemia, we will refer to data such as IRON, FERRITIN, TIBC, Hb, MCV, and RDW. Based on the data you provided, it does indeed suggest iron deficiency. The causes of iron deficiency can be nutritional deficiency or blood loss (gastrointestinal, urinary tr...[Read More] Understanding Iron Deficiency Anemia in Adolescent Boys: A Case Study
Is It Safe for Kids to Drink Sweetened Soy Milk Daily?
Can sweetened soy milk be consumed daily? Hello Dr. Pei, my son is currently 12 years old. He has a poor appetite in the morning, but he eats quite a lot for lunch and dinner. However, he remains very thin, with a BMI of only 16. I send him to school with two bottles of 100% fres...
Dr. Pei Rensheng reply Pediatrics
Hello: According to the recommendations from the Ministry of Health and Welfare regarding the Body Mass Index (BMI) for children and adolescents, the BMI range for a 12-year-old boy is 15.2-21.3. Your son's BMI is 16, which is considered normal. If he wants to gain weight, a...[Read More] Is It Safe for Kids to Drink Sweetened Soy Milk Daily?
Concerns About Infant Milk Intake: When to Seek Pediatric Advice
Milk consumption issues? Hello doctor, my baby is currently 2 months and 20 days old and is being fed with Enfamil A+ formula along with breast milk, consuming about 120ml every 4 hours. Recently (for about 3 days), during the day, he hardly drinks any milk, with a maximum of 60m...
Dr. Pei Rensheng reply Pediatrics
Hello! The ideal milk intake is 100-200 CC/KG/DAY; if the baby weighs 5 kilograms, the ideal intake would be 500-1000 CC per day. It seems that the recent feeding amount has decreased; you can assess the changes in weight, urine output, and activity level. If the activity level i...[Read More] Concerns About Infant Milk Intake: When to Seek Pediatric Advice
Concerns About Infants Drinking Older Children's Formula: What to Do?
Milk consumption issues? Hello doctor, my baby is currently 10 months old. Due to my negligence, he accidentally drank about 130cc of my 3-year-old daughter's formula. What effects might this have? Should I seek medical attention?
Dr. Pei Rensheng reply Pediatrics
Hello! Infants under 1 year old should only consume breast milk or stage 1 formula. Children over 1 year old can drink stage 3 formula, as well as stage 1 formula. Stage 3 formula has a higher protein concentration compared to stage 1 formula. If an infant under 1 year old consum...[Read More] Concerns About Infants Drinking Older Children's Formula: What to Do?
Understanding Prolonged Fever in Children: When to Seek Medical Help
Child has had a fever for 4 days? Hello, doctor. My child is 3 years old and started having a fever of about 39-39.5°C on Saturday night. We visited a clinic on Sunday and were prescribed antipyretic syrup. After taking it, the temperature dropped to 38-39°C. On Monday morning, w...
Dr. Pei Rensheng reply Pediatrics
Hello! A 3-year-old has had a fever for 4 days. It is recommended to check for: COVID-19, influenza, adenovirus, urinary tract infection, chest X-ray, and even blood tests; it could also be roseola. It is advisable to go to the hospital for evaluation! Wishing for a speedy recove...[Read More] Understanding Prolonged Fever in Children: When to Seek Medical Help
What Happens If a Newborn Swallows Cotton Fibers?
What are the effects of a newborn ingesting cotton fibers? Hello, for a newborn who is just 4 days old, ingesting a small amount of cotton fluff (approximately 0.2 to 0.3 centimeters) is unlikely to cause significant digestive issues. If you noticed the fluff in the baby's m...
Dr. Pei Rensheng reply Pediatrics
Hello: Gastrointestinal foreign bodies are occasionally encountered; coins, bedding/fibers, hair, medications/milk curds... all of these have been observed. Generally speaking, objects with a diameter greater than 2 cm and that are dense are more likely to become lodged and cause...[Read More] What Happens If a Newborn Swallows Cotton Fibers?
Understanding Chronic ITP and Prolonged Lymphadenopathy in Children
ITP with lymphadenopathy Hello, doctor. My three-year-old family member has been diagnosed with chronic ITP. They used a medication called Eltrombopag at the end of last year, and have just stopped taking steroids. They are currently taking 12 mg of Eltrombopag daily. About two m...
Dr. Pei Rensheng reply Pediatrics
Hello: 1. Chronic ITP is defined as lasting more than one year, and a bone marrow biopsy may be considered. 2. The causes of lymphadenopathy include infections, tumors, and congenital developmental remnants, which may persist for several months and could still be due to an infect...[Read More] Understanding Chronic ITP and Prolonged Lymphadenopathy in Children
Concerns About X-Ray Frequency for Suspected Sinusitis in Children
An X-ray was taken due to suspicion of sinusitis? The child is currently 7 years old and has recently experienced some difficulty breathing. Initially, they visited a pediatrician at a regional hospital, where the doctor diagnosed allergic rhinitis and noted that swollen nasal tu...
Dr. Pei Rensheng reply Pediatrics
Hello: After the radiologic technologist positions the patient and takes the image, they will verify the image. If there are any foreign objects or motion artifacts causing blurriness, they will retake the image. Sinus X-rays can assist in diagnosing sinusitis; they use a very lo...[Read More] Concerns About X-Ray Frequency for Suspected Sinusitis in Children
Understanding Testicular Injury in Children: Symptoms and Care Tips
Childhood testicular trauma? Hello doctor, I recently played with my relative's child, and it seems he accidentally bumped his testicles. It didn't seem very forceful, and he was in pain for about 2 to 3 minutes, but then it subsided. However, he mentioned that he felt ...
Dr. Pei Rensheng reply Pediatrics
Hello: It is recommended to visit the urology outpatient clinic for a detailed physical examination; the physician may also perform an ultrasound. Wishing you health, happiness, and peace. Sincerely.[Read More] Understanding Testicular Injury in Children: Symptoms and Care Tips
Understanding a Small Hole in Your Child's Nose: Causes and Concerns
There is a small hole in the nose? Hello, I would like to inquire about a small hole I discovered on my child's nose yesterday, which is not swollen. I'm unsure what the cause might be. Additionally, there is a color difference on his neck, and I'm wondering if it ...
Dr. Pei Rensheng reply Pediatrics
Hello! The holes in the nose: They may be due to overactive sebaceous glands, resulting in acne or blackheads, which can leave depressions after extraction. It is also possible that they are caused by infection, leading to depressions after pus drainage. It is advisable to have a...[Read More] Understanding a Small Hole in Your Child's Nose: Causes and Concerns
Consulting on Pediatric Appetite Stimulants: Safety and Duration
Medication consultation Hello, I have a one-year-old baby who has recently been experiencing frequent milk aversion. The doctor prescribed Biofermin and Periactin (to be taken in the morning and evening or once a day). Upon checking, I found that Periactin is primarily indicated ...
Dr. Pei Rensheng reply Pediatrics
Hello: A search on GOOGLE for PERIACTIN (CYPROHEPTADINE) AND APPETITE reveals a systematic review that examined 46 studies, finding that 39 of them showed a significant increase in appetite and weight. The review noted situations where PERIACTIN (CYPROHEPTADINE) may be ineffectiv...[Read More] Consulting on Pediatric Appetite Stimulants: Safety and Duration
Understanding Delayed Bleeding Risks After a Child's Fall
Delayed bleeding after a fall in children? Hello, doctor. My son, who is one year and ten months old, fell from his high chair onto the tile floor last night. He fell from a height of about 120 centimeters and cried immediately after the fall. We took him to a nearby surgical cli...
Dr. Pei Rensheng reply Pediatrics
Hello! In children with mild blunt head injury, there are several factors that can affect prognosis: 1. The younger the child, the more severe the injury. 2. The higher the fall, the more severe the injury; statistically, falls from heights greater than 90 cm should be monitored,...[Read More] Understanding Delayed Bleeding Risks After a Child's Fall
Understanding Preauricular Sinus in Infants: What Parents Should Know
Preauricular sinus Hello Doctor, my son is now 3 weeks old and I noticed a small pit in front of his ear. When I asked the physician during a follow-up visit, they said it is a preauricular sinus and that it doesn't require any treatment. However, as a new parent, I tend to ...
Dr. Pei Rensheng reply Pediatrics
Hello! The prevalence of preauricular sinuses is as follows: Caucasians: 1%; African Americans: 5%; Asians: 10%. There is a familial tendency. The likelihood of hearing loss associated with preauricular sinuses is five times that of the general population. A hearing assessment is...[Read More] Understanding Preauricular Sinus in Infants: What Parents Should Know
Understanding Large Head Circumference in Infants: When to Seek Further Evaluation
A five-month-old infant has an enlarged head circumference? My baby boy is five months and one day old, weighing 7.3 kg, with a height of 65.1 cm and a head circumference of 44.2 cm, which is approaching the upper limit of 44.8 cm (97th percentile). I expect that in a little over...
Dr. Pei Rensheng reply Pediatrics
Hello! The tissues within an infant's head (brain, cerebrospinal fluid, bones, blood, tumors) can all contribute to an increase in head circumference. Ultrasound can often detect most abnormalities. Be attentive to symptoms such as vomiting, headaches, and changes in conscio...[Read More] Understanding Large Head Circumference in Infants: When to Seek Further Evaluation
Understanding Hydronephrosis in Infants: Causes, Diagnosis, and Management
Hydronephrosis (renal pelvis dilation) My wife did not receive any indication of kidney issues with the fetus during prenatal check-ups, but after the baby was born and reached one month of age, a renal ultrasound at a clinic revealed hydronephrosis. At that time, the report indi...
Dr. Pei Rensheng reply Pediatrics
Hello: According to UpToDate literature: 1. RPD <10mm, MILD, may not require follow-up. 2. RPD 10-15mm, MODERATE: ultrasound should be repeated in 4-6 months. 3. RPD >15mm, immediate renal ultrasound should be arranged; clinicians will adjust based on clinical circumstances...[Read More] Understanding Hydronephrosis in Infants: Causes, Diagnosis, and Management
Can Kids Safely Get Their Second COVID Vaccine After Oral Sores?
Oral ulcers after receiving the COVID-19 vaccine? Hello Dr. Pei, my son, who is over 5 years old, received his first dose of the pediatric BNT vaccine on May 28. A few days later, he developed five ulcers in his mouth, concentrated at the junction of the inside of his upper lip a...
Dr. Pei Rensheng reply Pediatrics
Hello, Ms. Hu! 1. There have indeed been recent reports of cases of oral ulcers occurring after receiving the COVID-19 vaccine; 2. This may be related to changes in the body's immune response, or it could be a mere correlation without a causal relationship; 3. Oral ulcers ar...[Read More] Can Kids Safely Get Their Second COVID Vaccine After Oral Sores?
Understanding Skin Issues in Toddlers: White Spot Concerns
Skin issues The child is currently 2 years old. Previously, when he was over 6 months old, a white spot was noticed on his abdomen. Initially, it was thought to be a birthmark, so it wasn't given much attention. However, there is now some concern that it may be a skin condit...
Dr. Pei Rensheng reply Pediatrics
Hello: 1. Pityriasis alba (PA) 2. Vitiligo 3. Fungal infection are the three most likely conditions. You may consult a pediatrician or a dermatologist for diagnosis and treatment. Wishing you good health! Sincerely, Rensheng.[Read More] Understanding Skin Issues in Toddlers: White Spot Concerns
Vaccination Guidelines for Infants After COVID-19 Diagnosis
Vaccination A six-month-old baby tested positive for COVID-19 the day before receiving vaccinations! Currently, the baby is at home. How long should we wait before returning to get the originally scheduled vaccinations? The baby had a fever for three days, with a maximum temperat...
Dr. Pei Rensheng reply Pediatrics
Hello: After a confirmed diagnosis, you can receive the vaccine for six-month-olds at least 14 days later, provided there is no fever or discomfort (mild cough and runny nose are acceptable). If there is decreased activity after the fever subsides, it is likely due to the side ef...[Read More] Vaccination Guidelines for Infants After COVID-19 Diagnosis
Does COVID Vaccine Still Offer Protection After Positive Test in Kids?
COVID-19 vaccine Doctor, my child is 12 years old and received the first dose of the BNT vaccine, but tested positive for COVID-19 two days later through a rapid test and was confirmed positive during a telemedicine consultation. Does this mean the BNT vaccine was ineffective? Wi...
Dr. Pei Rensheng reply Pediatrics
Hello: After vaccination, it takes an average of two weeks to develop protective immunity. After contracting COVID-19, you must wait 90 days before receiving another COVID-19 vaccine. The previously administered vaccine still counts as the first dose, and you should start from th...[Read More] Does COVID Vaccine Still Offer Protection After Positive Test in Kids?
Understanding Your Baby's Sleep Patterns and Developmental Milestones
Baby Growth and Development Doctor, my baby has been tossing and turning a lot during sleep over the past week or two. They seem to be trying to find their pacifier, but their hands appear to be uncontrollable, knocking the pacifier away. When it falls, they cry. The caregiver ha...
Dr. Pei Rensheng reply Pediatrics
Hello: When an infant is difficult to soothe, the first considerations should be: hunger or a wet diaper. Other likely causes include infant colic, which is defined by the latest ROME IV criteria as excessive crying that is difficult to soothe in infants under five months of age,...[Read More] Understanding Your Baby's Sleep Patterns and Developmental Milestones