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My brother, 18, has the flu. When should we visit the ER?

This Premium Q&A, reviewed and published, features a real conversation between an iCliniq user and a physician.

Patient's Query

Hello doctor,

My 18-year-old brother is getting symptoms of flu, such as fever, cough, and body aches, but we are not sure how serious it is. I have been wondering what symptoms in someone his age should prompt an immediate visit to the emergency room for the flu, as we do not want to overreact, but also do not want to delay care if it could be serious.He seems quite tired and has occasional shortness of breath, which is a bit concerning for us. Are there clear warning signs we should watch for before deciding to go to the hospital?

Please suggest.

Thank you.

Answered by Dr. Ashraf Ghani

Education:

MD

Professional Bio:

Dr. Ashraf Ghani is a dedicated general medicine physician committed to providing comprehensive and evidence-based healthcare for adult patients. He has experience in diagnosing and managing a wide range of acute and chronic medical conditions, including diabetes, hypertension, infections, respiratory illnesses, and lifestyle-related disorders. Dr. Ashraf Ghani focuses on accurate diagnosis, preventive care, and personalized treatment plans tailored to each patient's needs. Known for his compassionate and patient-centered approach, Dr. Ashraf Ghani strives to help patients achieve better health through clear communication and quality medical care.  

This doctor is not available for online consultations on the platform anymore.

Hello,

Welcome to icliniq.com.

I have read your query and understand your concern.

It makes sense to be cautious here, especially when you are seeing symptoms that feel a bit beyond a routine illness. With influenza (a respiratory disease caused by the influenza virus), most young people recover at home, but there are clear warning signs that should prompt an immediate visit to the emergency room.Shortness of breath is one of the most important red flags, especially if it is noticeable at rest, worsening, or making it hard for him to speak in full sentences. That alone is enough to take seriously rather than wait and see.

Other urgent signs include chest pain or pressure, bluish lips or face, confusion or unusual drowsiness, difficulty staying awake, a very high fever or one that returns after improving, severe dehydration (such as very little urination or dizziness when standing), or coughing up blood. Extreme weakness that makes it hard to stand or walk normally can also be worrisome.If his breathing appears even slightly compromised or if you feel in any way uncertain, it’s safer to have him checked out sooner rather than risk deterioration at home. If the symptoms are less severe, supportive care such as fluids, rest and fever control is usually all that is needed.However, since you said he was short of breath, it would be reasonable to err on the side of caution and have him evaluated sooner rather than later.

Hope I have addressed all of your queries and concerns.

Do follow up whenever needed.

Thank you.

Medically reviewed by iCliniq medical review team
Published At May 22, 2026
Reviewed At July 14, 2026

Education:

MD

Professional Bio:

Dr. Ashraf Ghani is a dedicated general medicine physician committed to providing comprehensive and evidence-based healthcare for adult patients. He has experience in diagnosing and managing a wide range of acute and chronic medical conditions, including diabetes, hypertension, infections, respiratory illnesses, and lifestyle-related disorders. Dr. Ashraf Ghani focuses on accurate diagnosis, preventive care, and personalized treatment plans tailored to each patient's needs. Known for his compassionate and patient-centered approach, Dr. Ashraf Ghani strives to help patients achieve better health through clear communication and quality medical care.  

This doctor is not available for online consultations on the platform anymore.

Same symptoms don't mean you have the same problem. Consult a doctor now!

Education:

MD

Professional Bio:

Dr. Ashraf Ghani is a dedicated general medicine physician committed to providing comprehensive and evidence-based healthcare for adult patients. He has experience in diagnosing and managing a wide range of acute and chronic medical conditions, including diabetes, hypertension, infections, respiratory illnesses, and lifestyle-related disorders. Dr. Ashraf Ghani focuses on accurate diagnosis, preventive care, and personalized treatment plans tailored to each patient's needs. Known for his compassionate and patient-centered approach, Dr. Ashraf Ghani strives to help patients achieve better health through clear communication and quality medical care.  

This doctor is not available for online consultations on the platform anymore.

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