What causes a child to suck their hand?

Nov 29, 2024 Source: Cainiu Health

Dr. Zhou Xiaofeng

Introduction

A child's habit of putting their hands in their mouth may be caused by factors such as the oral stage of development, stress, oral sensory seeking, deficiencies in trace elements, or attention deficit hyperactivity disorder (ADHD). By sucking on their hands, children can perceive the shape, temperature, and taste of their hands, which is also part of their brain development and exploration of the world. This behavior generally does not require special treatment, and parents only need to ensure the cleanliness of the child's hands.

Generally, a child's hand-sucking behavior may be caused by factors such as the oral developmental stage, stress, oral sensory seeking, deficiencies in trace elements, or attention deficit hyperactivity disorder (ADHD). If any discomfort occurs, please seek medical advice promptly. Detailed explanations are as follows:

1. Oral Developmental Stage

Children may use hand-sucking to perceive the shape, temperature, and taste of their hands, which is also part of their brain development and exploration of the world. This behavior typically does not require special treatment; parents simply need to ensure the child's hands remain clean.

2. Stress

When facing anxiety or pressure, children may seek comfort through hand-sucking. Psychological counseling and cognitive behavioral therapy can help children learn healthier coping strategies.

3. Oral Sensory Seeking

Sensory processing disorders may cause abnormal needs for tactile or taste stimulation, which hand-sucking can fulfill. It is recommended to use oral muscle training tools, such as chewable toys, which may be beneficial.

4. Trace Element Deficiency

Deficiencies in trace elements are often related to improper diet. If a child lacks trace elements such as zinc, magnesium, or iron, they may exhibit hand-sucking behavior, possibly accompanied by symptoms like loss of appetite or nausea. It is recommended to follow medical advice regarding the use of medications such as ferrous fumarate tablets, ferrous gluconate tablets, or zinc gluconate oral solution.

5. Attention Deficit Hyperactivity Disorder (ADHD)

ADHD is associated with genetic and environmental factors. Children may display symptoms such as inattention, hyperactivity, and impulsivity, which may lead to hand-sucking behavior, along with excessive activity and emotional impulsivity. Parents should follow medical guidance in administering medications such as atomoxetine hydrochloride capsules, clonidine hydrochloride tablets, or Jingling Oral Solution.

Parents are advised to provide appropriate chew toys or baby teething products as substitutes to satisfy the child's oral sensory needs while reducing dependency on finger sucking.

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