Carbon monoxide is an odorless, colorless, and tasteless gas that is near impossible to identify without a proper detector. It is caused by fuels not burning completely, including wood, gasoline, coal, propane, natural gas, gasoline, and heating oil.
The cause of lethargy may be suggested by its pattern and accompanying symptoms. If it starts in the morning and lasts all day, it could be due to lack of sleep or depression.
1 If a virus or bacteria have infected your toddler's stomach lining or intestines, he may also have diarrhea, loss of appetite, abdominal pain, and fever. 2  The vomiting usually stops within 12 to 24 hours. 3  Acid Reflux In Toddlers: Acid reflux is common in toddlers.