3 Signs Your Child Has a Chocolate Intolerance, Allergy or Sensitivity

Common ingredients in chocolate bars — like nuts or milk — may be to blame for your child's symptoms.
Image Credit: Deepak Sethi/iStock/GettyImages

Many children (and adults) love chocolate. But sometimes it does more harm than good: For instance, if your child regularly has a bad reaction to the sweet, you may be wondering if they have a chocolate intolerance.

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A true chocolate intolerance, though rare, is possible. That said, an allergy, intolerance or sensitivity to one of the ingredients in chocolate is most likely the cause of your child's symptoms.

With that in mind, here are some signs to look out for that indicate your child has a problem processing chocolate.

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Tip

Visit your doctor if your child regularly has a bad reaction to chocolate or any other food, as they can help determine the source of the problem.

1. They Have Allergic Symptoms

A food allergy triggers an immune system response in the body, per the Mayo Clinic. It can cause symptoms like:

  • Hives
  • Tingling of tongue, lips or face
  • Swelling of hands, feet, mouth or tongue
  • Rapid pulse
  • Fainting
  • Wheezing or trouble breathing
  • Blurry vision

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Chocolate allergies in toddlers (or people of any age, for that matter) aren't very common. In fact, an April 2019 study in the Journal of Allergy and Clinical Immunology: In Practice concluded that self-reported chocolate or cocoa allergies are often inaccurate — instead, people are allergic to an ingredient in the chocolate.

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And indeed, other common components of a chocolate bar — like peanuts, tree nuts, cow's milk and soy — are among the most common food allergens, and thus may be the real culprit behind your child's symptoms, according to the Mayo Clinic.

Milk and soy allergies in particular can be seen in infants and young children, per Stanford Children's Health. Additional symptoms include:

  • Colic
  • Bloody stool
  • Poor growth

Fix it:​ If your child has an allergic reaction to chocolate, it's best for them to avoid eating the treat altogether. Visit your doctor to help determine the cause of the allergic reaction — like nuts, milk or soy — so they can steer clear of the trigger food, per the Mayo Clinic.

Warning

Some people can have an extreme allergic reaction called anaphylaxis, where your throat closes up and makes it difficult to breathe, per the Mayo Clinic. Seek medical care immediately if this happens to you or your child.

2. They Have Digestive Issues

If an allergy isn't to blame, it's possible your child has a chocolate intolerance or an inability to digest one of the ingredients in chocolate.

Here's the difference between an allergy and an intolerance: Food allergies trigger an immune system response, whereas a food intolerance occurs when the digestive system can't properly process a food, per Rush University Children's Hospital.

A true chocolate intolerance is rare. Still, here are some general chocolate (or other) intolerance symptoms to watch out for, according to the Children's Hospital of Philadelphia:

  • Nausea
  • Stomach pain or cramps
  • Gas or bloating
  • Vomiting
  • Heartburn or acid reflux
  • Diarrhea
  • Constipation
  • Headaches or migraines
  • Skin rash or flushed skin
  • Hives
  • Fatigue

But really, an intolerance to an ingredient in the sweet is more likely to blame for your child's sensitivity to chocolate.

Take, for instance, lactose intolerance. This condition occurs when your body's lactase enzymes aren't able to break down lactose, the sugar found in dairy products like — you guessed it — chocolate, according to the Cleveland Clinic.

Symptoms of lactose intolerance in children include:

  • Loose stools
  • Watery diarrhea
  • Gas
  • Nausea
  • Bloating
  • Skin rash and frequent colds
  • Abdominal pain and cramping

Fix it:​ Visit your doctor to determine if lactose intolerance is behind your child's chocolate sensitivity. If it is, you can prevent digestive issues by limiting your child's intake of foods that contain dairy.

Tip

Milk chocolate and white chocolate contain the most milk, per the Cleveland Clinic, which can trigger your child's digestive symptoms if they have lactose intolerance.

3. They Act Restless or Jittery

Chocolate — particularly dark chocolate — is made from cocoa. Cocoa contains caffeine, a substance that stimulates your central nervous system to make you feel more awake and alert, according to the U.S. National Library of Medicine (NLM).

And it's these stimulating effects that may have something to do with your child's cocoa intolerance, as children can be more sensitive to caffeine than adults, according to the University of Michigan Health.

Per the NLM, signs and symptoms of a chocolate sensitivity due to caffeine include:

  • Restlessness
  • Shakiness
  • Insomnia
  • Headaches
  • Dizziness
  • Fast heart rate
  • Dehydration
  • Anxiety

Fix it:​ Keep your child's caffeine intake to a minimum by opting for caffeine-free chocolate. You can also try an alternative to chocolate like carob, which is naturally caffeine-free, according to November 2016 research in the ​International Journal of Molecular Sciences​.

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