Many children who have language problems during the preschool years will also have some language problems or learning difficulty later in childhood. They may also have reading disorders.

Difficulty understanding and using language can cause problems with social interaction and the ability to function independently as an adult.

Reading may be a problem.

Depression, anxiety, and other emotional or behavioral problems may complicate language disorders.

Parents who are concerned that their child's speech or language is delayed should see their primary care provider. Ask about getting a referral to a speech and language therapist.

Children who are diagnosed with this condition may need to be seen by a neurologist or children's developmental specialist to determine if the cause can be treated.

Call your child's health care provider if you see the following signs that your child does not understand language well:

• At 15 months, does not look or point at 5 to 10 people or objects when they are named by a parent or caregiver
• At 18 months, does not follow simple directions, such as "get your coat"
• At 24 months, is not able to point to a picture or a part of the body when it is named
• At 30 months, does not respond out loud or by nodding or shaking the head and asking questions
• At 36 months, does not follow 2-step directions, and does not understand action words

Also call if you notice these signs that your child does not use or express language well:

• At 15 months, is not using three words
• At 18 months, is not saying, "Mama," "Dada," or other names
• At 24 months, is not using at least 25 words
• At 30 months, is not using two-word phrases, including phrases that include both a noun and a verb
• At 36 months, does not have at least a 200-word vocabulary, is not asking for items by name, exactly repeats questions spoken by others, language has regressed (become worse), or is not using complete sentences
• At 48 months, often uses words incorrectly or uses a similar or related word instead of the correct word

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Review Date: 06/29/2010
Reviewed By: Daniel B. Hoch, PhD, MD, Assistant Professor of Neurology, Harvard Medical School, Department of Neurology, Massachusetts General Hospital. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org)