Unlike adults, adolescents often don’t show depression or anxiety through obvious sadness or panic. Instead, they may:

• Seem irritable or angry for no clear reason
• Withdraw from friends or activities they once loved
• Sleep much more—or much less—than usual
• Complain of headaches or stomachaches with no medical cause
• Struggle with focus or motivation at school
• Avoid school altogether

The National Institute of Mental Health (NIMH) notes that these behavioral changes can be signs of underlying emotional distress, even when teens aren’t able to articulate what they’re feeling.

Warning Signs Parents Often Miss

Some red flags are easy to overlook, especially when teens seem to “function” on the outside. Be aware of:

• Sudden changes in eating habits
• Giving away prized belongings
• Risky behavior or substance use
• Excessive self-criticism or hopelessness
• Obsessive worry or perfectionism

Teachers and coaches may also notice changes in an adolescent's mood or participation. Their input can be an important part of spotting early warning signs.

What To Do If You’re Concerned

You don’t have to wait for a crisis to take action. Trust your instincts—if something feels “off,” it’s okay to seek help. Start with a calm, private conversation with your teen. Let them know you’ve noticed changes and that you’re here to listen, not judge.

If your concerns persist, reach out to your pediatrician, school counselor, or a licensed mental health provider. Early intervention can lead to better outcomes and give your adolescent the tools they need to feel more like themselves again.

According to the American Academy of Child and Adolescent Psychiatry (AACAP), early support improves treatment effectiveness and reduces long-term mental health challenges.

Your Support Matters

Teens may not always show it, but your presence, patience, and advocacy make a difference. Noticing the quiet signs—and acting on them with care—can be the first step toward healing.