Suddenly Refusing Foods They Used to Eat
Medically reviewed by Dr. Rachel Kim, MD, RDN · Pediatric Nutrition Specialist
Content reviewed against published AAP, NIH, AAP guidelines
Last reviewed:
Feeding challenges are one of the most common concerns new parents face. When it comes to suddenly refusing foods they used to eat, here is what the guidelines recommend.
The short answer
It is extremely common for babies and toddlers to suddenly reject foods they previously enjoyed. This often coincides with the development of food neophobia, a natural wariness of new or previously accepted foods that peaks between 18 and 24 months. This is a normal developmental phase and not a sign that something is wrong with your child or your feeding approach.
Key takeaways
- It is extremely common for babies and toddlers to suddenly reject foods they previously enjoyed. This often coincides with the development of food neophobia, a natural wariness of new or previously accepted foods that peaks between 18 and 24 months. This is a normal developmental phase and not a sign that something is wrong with your child or your feeding approach.
- Usually normal when: Your toddler goes through phases of loving and then refusing a food, cycling over weeks or months
- Call your doctor if: Your child refuses all food and drink for more than 24 hours
- Varies by age — see the age-by-age breakdown below
“The AAP recommends exclusive breastfeeding for approximately 6 months after birth. Furthermore, the AAP supports continued breastfeeding, along with appropriate complementary foods introduced at about 6 months, for 2 years or beyond.”
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What Parents Should Know
According to AAP, NIH guidelines, it is extremely common for babies and toddlers to suddenly reject foods they previously enjoyed. This often coincides with the development of food neophobia, a natural wariness of new or previously accepted foods that peaks between 18 and 24 months. This is a normal developmental phase and not a sign that something is wrong with your child or your feeding approach. At 6-12 months, babies at this age are generally quite accepting of new foods, which is why early and broad exposure is encouraged. However, some babies may go through phases of refusing a food they previously liked, often related to teething, illness, or simply changing preferences. Continue offering rejected foods without pressure. It can take 10 to 15 exposures before a baby accepts a food. It is generally considered normal when your toddler goes through phases of loving and then refusing a food, cycling over weeks or months. However, you should contact your pediatrician promptly if your child refuses all food and drink for more than 24 hours.
Normal vs. Concerning
By Age
What to expect by age
6-12 months
Babies at this age are generally quite accepting of new foods, which is why early and broad exposure is encouraged. However, some babies may go through phases of refusing a food they previously liked, often related to teething, illness, or simply changing preferences. Continue offering rejected foods without pressure. It can take 10 to 15 exposures before a baby accepts a food.
12-24 months
This is when food neophobia typically begins to emerge. Your toddler may suddenly refuse vegetables, proteins, or mixed dishes they happily ate as a baby. This is a developmentally normal protective mechanism. Continue serving rejected foods alongside accepted ones without pressuring your child to eat them. Modeling enthusiastic eating and eating together as a family can help. Avoid becoming a short-order cook who prepares separate meals.
24-36 months
Food neophobia often peaks around this age and can feel very frustrating for parents. Your toddler may go through phases of only wanting a few specific foods. Keep offering a variety at each meal, include at least one food you know your child will eat, and stay neutral about what they choose. Research shows that most children naturally broaden their diet as they mature, especially if mealtimes remain low-pressure and positive.
What to Tell Your Pediatrician
- Describe when you first noticed suddenly refusing foods they used to eat and how it has changed over time.
- Note your baby's current age and which age-specific patterns you are seeing.
- Mention if your child's accepted food list is shrinking significantly and they are down to fewer than 10 to 15 foods.
- Mention if your child refuses entire food groups for more than a few weeks, such as all fruits or all proteins.
- Bring a list of any questions or observations you want to discuss at the appointment.
What Should You Do?
When to take action
- Your toddler goes through phases of loving and then refusing a food, cycling over weeks or months
- Your toddler rejects a food but will still eat a reasonable variety of other foods across the week
- Your toddler is growing well and has normal energy levels despite their selectivity
- Your toddler is more willing to eat familiar foods and is suspicious of new presentations or recipes
- Your child's accepted food list is shrinking significantly and they are down to fewer than 10 to 15 foods
- Your child refuses entire food groups for more than a few weeks, such as all fruits or all proteins
- Your child becomes very distressed or anxious around unfamiliar foods beyond typical dislike
- Your child's weight gain or growth has slowed noticeably
- Your child refuses all food and drink for more than 24 hours
- Your child is losing weight or showing signs of nutritional deficiency such as extreme fatigue, pallor, or brittle nails
What You Can Do at Home
- Keep track of when you notice suddenly refusing foods they used to eat — noting the time of day, duration, and any triggers can help your pediatrician.
- Remember that your toddler goes through phases of loving and then refusing a food, cycling over weeks or months — this is generally within the range of normal.
- At 6-12 months, focus on observation rather than intervention unless your pediatrician advises otherwise.
- Offer feeding in a calm, distraction-free environment. Avoid forcing or pressuring your baby to eat.
- While monitoring at home, seek immediate care if your child refuses all food and drink for more than 24 hours.
Related Resources
Feeding & Nutrition Guide
Complete guide to breastfeeding, formula feeding, and solid food introduction.
Month-by-Month Development
Detailed monthly development guides from birth through 24 months.
When to Call the Doctor
General guide on when to call the pediatrician, visit urgent care, or go to the ER.
Frequently asked questions
Is suddenly refusing foods they used to eat normal?
When should I call the doctor about suddenly refusing foods they used to eat?
When is suddenly refusing foods they used to eat normal?
What causes suddenly refusing foods they used to eat?
What should I mention to my pediatrician about suddenly refusing foods they used to eat?
Is suddenly refusing foods they used to eat normal at 6-12 months?
Is suddenly refusing foods they used to eat normal at 12-24 months?
Should I go to the ER for suddenly refusing foods they used to eat?
Does suddenly refusing foods they used to eat go away on its own?
References
Doctor Visit Checklist
Bring this checklist to your next pediatrician visit to discuss Suddenly Refusing Foods They Used to Eat.
Things to mention
- Describe when you first noticed suddenly refusing foods they used to eat and how it has changed over time.
- Note your baby's current age and which age-specific patterns you are seeing.
- Mention if your child's accepted food list is shrinking significantly and they are down to fewer than 10 to 15 foods.
- Mention if your child refuses entire food groups for more than a few weeks, such as all fruits or all proteins.
- Bring a list of any questions or observations you want to discuss at the appointment.
Observations to share
- Your child's accepted food list is shrinking significantly and they are down to fewer than 10 to 15 foods
- Your child refuses entire food groups for more than a few weeks, such as all fruits or all proteins
- Your child becomes very distressed or anxious around unfamiliar foods beyond typical dislike
Urgent signs to report immediately
- Your child refuses all food and drink for more than 24 hours
- Your child is losing weight or showing signs of nutritional deficiency such as extreme fatigue, pallor, or brittle nails
My notes
From ismybabyalright.com — free, evidence-based baby health guides
All content follows our editorial policy and is reviewed against published clinical guidelines.
2,705 evidence-based guides6 authoritative medical sources5 medical advisory board members
Related Resources
Bottom line
Most cases of suddenly refusing foods they used to eat are normal. Talk to your pediatrician if your child refuses all food and drink for more than 24 hours.
Trust your instincts. If something feels wrong, reach out to your pediatrician. Worrying about your baby means you care — that is a good thing.
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