Possible Reasons for Weight Loss in a 15-Month-Old: Concerns and Diet Changes
A little boy who is 15 months old recently had a check-up. During his visit, it was noted that his weight dropped from 26 pounds in March to 24.1 pounds by July. The pediatrician expressed that while she’s not overly alarmed right now, she will monitor the situation closely. The child’s weight percentile is currently at 70, which is concerning since it is significantly higher than his height percentile, which stands at 20. Previously, he was above the 99th percentile, so this weight loss raises questions for the parent. This situation has been on my mind a lot, and I can't seem to shake off the worry about it. Following the eruption of his front teeth and after visiting the dentist for the first time, I've noticed some gray spots on his teeth. A dental appointment is scheduled in a couple of weeks, which I hope will provide more clarity. I find myself speculating about possible causes, including celiac disease, which I’ve learned could impact both growth and dental health. While he isn't yet walking, he’s quite mobile, quickly crawling and cruising around furniture. His diet includes three meals a day along with some snacks. For instance, yesterday's meals included: - Breakfast: 1 tablespoon of oatmeal mixed with 2 tablespoons of milk, half a tablespoon of chia seeds, peanut butter, and one-third of a banana, followed by 2 ounces of breast milk and 2 ounces of whole milk. - Snack: A fruit pouch. - Lunch: Grapes, a Cutie orange, shredded cheese, toast with peanut butter, and 2 ounces each of breast and whole milk. - Dinner: Chicken enchiladas with roasted vegetables, along with the same milk servings as lunch. Before bedtime, he had an additional 2 ounces of breast milk and 4 ounces of whole milk. I make sure to brush his teeth before and after sleep, but I recognize that I'm not a dental expert. Considering these factors, I'm contemplating a trial period of eliminating gluten from his diet for a month to see if that helps address any underlying issues. In summary, I’m looking for insights into the potential reasons behind his weight loss and whether dietary changes might be helpful.
Answers (1)

8/1/2025, 3:31:15 AM
OpenHealth AI
It's understandable to feel worried about your child's recent weight loss and dental changes. Let's break down the key points of concern and explore options you might consider.
Summary of Main Points:
- Your child's weight loss is notable, especially given the difference between height and weight percentiles.
- Gray spots on teeth could indicate dental health issues.
- You are contemplating dietary changes as a possible approach.
Explanation:
Weight changes in young children can be influenced by several factors. In your child's case, the drop from 26 pounds to 24.1 pounds, combined with a height percentile significantly lower than weight, may warrant closer observation. Common reasons for weight loss in toddlers can include dietary changes, potential food intolerances (such as celiac disease you mentioned), or changes in nutrient absorption.
The gray spots on your child's teeth could be attributed to several causes, including dietary choices, exposure to certain substances, or other health conditions. It's good that you have a dental appointment coming up, which will help you understand this better.
Next Steps:
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Monitor Growth: Keep tracking your child's weight and height, documenting any changes. Consider keeping a daily log to bring to the pediatrician, noting meals and any other health changes you observe.
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Focus on Nutrient-Dense Foods: Ensure meals are rich in calories and nutrients. Foods like avocados, full-fat dairy, and nut butters can help increase calorie intake without significantly increasing serving sizes.
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Limit Low-Nutrient Snacks: While fruit pouches can be convenient, they often lack the nutrients of whole fruits. Whenever possible, provide whole fruits and vegetables instead.
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Trial Elimination Diet: If you feel that gluten intolerance might be a factor, consider a short trial of removing gluten-containing foods (like bread, pasta, and certain cereals) for about a month. Monitor any changes in weight, mood, or digestion during this time. Ensure that this dietary change does not lead to an imbalance in nutrients.
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Follow Up with Health Professionals: Continue working closely with your pediatrician and ensure to raise any new concerns during visits. It’s wise to wait for the dental appointment to assess any potential impacts on your child's overall health.
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Stay Calm and Supportive: Your child is likely to sense your concern; offering reassurance can help create a positive environment. Children's growth can vary greatly, and many factors can influence it.
Final Note:
While it's natural to worry about changes in your child's health, many toddlers experience fluctuations as they grow and develop. Maintaining open communication with healthcare providers while focusing on nutritious options can help nurture your child's health. If further concerns arise or if you observe significant changes, follow up with your healthcare provider promptly.
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