Fever blisters are a common occurrence in young children, often resulting from nutritional deficiencies, weak immunity, or environmental factors such as weather and surroundings. Fever blisters make the child uncomfortable, in pain, eat poorly, and cry. More dangerously, they can also be symptoms of some diseases in children such as: intestinal inflammation, hand-foot-and-mouth disease, gastric ulcers.
Therefore, when your child has fever blisters, mothers should not be complacent!

1/ Causes of Child Fever Blisters:
Fever blisters are circular or oval-shaped sores around the mouth, lips, gums, or throat, causing discomfort and pain for young children.
Fever blisters can occur due to the following reasons:
- Infant may experience heat due to illness, fatigue, or antibiotic use.
- Infant accidentally biting into the mouth causing inflammation and ulcers.
- Nutritional deficiency, especially when fever blisters frequently recur, is a sign of iron and B-group vitamin deficiency.
– Hand-foot-and-mouth disease is also one of the causes of mouth sores in children.
2/ Common Symptoms when Children Have Fever Blisters
Ulcers appearing inside the mouth, on the tongue surface, or on the gums. Spicy and salty foods cause pain to the ulcers, some children may not be able to eat anything until the condition improves. Some common signs and symptoms include:
– Sudden fever
– Wrinkles or lethargy, lack of energy
– Mouth sores or small bumps on the tongue
– Swollen gums, which may cause bleeding
– Mouth pain
– Child being reluctant to eat, feeling unwilling to eat

3/ Managing Infant Fever Blisters
Most cases of mouth sores in children are not overly dangerous and will heal quickly within a week. However, it can still be uncomfortable and painful for the baby. Mothers can apply the following methods to help the baby feel more comfortable.
Explore a variety of mouth ulcer remedies available in pharmacies. Most of these are safe for children, but if your child is prone to allergies, consult a doctor to check the ingredients before use.
Rinse your mouth with warm water or diluted saltwater. Encourage your child to rinse at least 4 times a day until the ulcers heal completely.
Honey is also effective in treating mouth ulcers. However, be cautious and avoid giving honey to children under 12 months old.
Use a soft-bristled toothbrush to minimize discomfort when brushing against the ulcers.
Opt for liquid foods as mouth ulcers may make it painful for your child to eat solid foods. Avoid spicy, salty, or acidic foods as they can worsen the ulcers.
Stay hydrated. Dehydration can exacerbate mouth ulcers. Ensure your child is drinking enough water daily. Encourage them to drink regularly as it can aid in faster recovery.
4/ When should you take your child to see a doctor?
Usually, mouth ulcers can heal on their own without treatment. However, you should consult a doctor if your child experiences any of the following symptoms:
- Rapid weight loss
- Abdominal pain
- Unusual high fever
- Presence of blood or mucus in stool
- Inflammation or ulcers around the anus. In some cases, mouth ulcers are an indirect consequence of gastric or intestinal ulcers.
