Nausea, tiredness, blurred vision, dizziness and headaches :)

Concussion ARTICLE SECTIONS * Introduction * Signs and symptoms * Causes * Risk factors * When to seek medical advice * Screening and diagnosis * Complications * Treatment * Prevention Signs and symptoms The signs and symptoms of a concussion can be subtle and may not appear immediately. Symptoms can last for days, weeks or longer. The two most common concussion symptoms are confusion and amnesia. The amnesia, which may or may not be preceded by a loss of consciousness, almost always involves the loss of memory of the impact that caused the concussion. Other immediate signs and symptoms of a concussion may include: * Headache * Dizziness * Ringing in the ears * Nausea or vomiting * Slurred speech Some symptoms of concussions don't appear until hours or days later. They include: * Mood and cognitive disturbances * Sensitivity to light and noise * Sleep disturbances Head trauma is very common in young children. But concussions can be difficult to recognize in infants and toddlers because they can't readily communicate how they feel. Nonverbal clues of a concussion may include: * Listlessness, tiring easily * Irritability, crankiness * Change in eating or sleeping patterns * Lack of interest in favorite toys * Loss of balance, unsteady walking PREVIOUS NEXT: Causes MORE ON THIS TOPIC * Tinnitus * Depression RELATED * Symptom Checker ARTICLE TOOLS Print this section | All sections E-mail this Larger type Reprints and permissions icon Reprints and permissions By Mayo Clinic Staff