Tamiflu is an antiviral prescription medication used to treat influenza type A and type B found in the human body. The generic drug is known as oseltamivir phosphate. The U.S. Food and Drug Administration says Tamiflu isn't a substitute for the flu vaccine.

With more than 30 million Americans suffering from congestion, decongestants are a popular over-the-counter medication, according to the Centers for Disease Control and Prevention. Pseudoephedrine, or Sudafed, and phenylephrine, or Sudafed PE, are the two most common oral decongestants available OTC.

Smokers who go cold turkey will undergo withdrawal symptoms, both physically and mentally. The body is used to its regular dose of nicotine and craves it when you suddenly give up the habit. The ex-smoker may suffer from anxiety, frustration and impatience. This is a major reason many people go back to smoking.

Humidifier filters are subject to mineral deposit buildup over time, especially if you use hard water in the humidifier. These deposits can make the humidifier run less efficiently. This can cause a problem for those who need to avoid dry air because of illness or allergies.

Many over-the-counter medicines pose dangers to children, and the Food and Drug Administration warns that children younger than 2 should never take decongestants. Honey, however, is an excellent natural remedy for coughing for children older than 1.

Garlic, an herb with a pungent flavor, has been used medicinally since ancient times, according to the University of Maryland Medical Center, and is a popular home remedy for a variety of conditions in 2011.

The influenza virus primarily infects the respiratory tract, causing sore throat, coughing, fever and muscle aches. But influenza can also cause digestive symptoms. A December 2015 "Virology Journal"

The vomiting, diarrhea, muscle aches and low-grade fever that generally accompany the stomach flu can leave a child in misery for days. Symptoms of the stomach flu, or viral gastroenteritis, can last for up to 10 days, although some children luck out and feel better after one or two days.

Influenza type B is one of three types of flu virus, the other two being type A and type C. Of the three, types A and B cause seasonal flu and can lead to epidemics. Between November and April, the time period known as flu season, is when most flu epidemics occur, according to Nemours Foundation.

A cough occurs when a child’s body is responding to irritants in airways. This usually occurs due to an upper respiratory infection. During the first two years of life, more kids get upper respiratory infections than any other illness, reports the American Academy of Pediatrics.

Vicks produces a line of humidifiers designed to treat the air in uncomfortably dry environments; these devices are also capable of filling a room with medicinal vapors that may soothe the symptoms of a cold, flu or allergies.

If you have a congested cough, also known as a wet cough, seek relief in natural expectorants. These substances thin out and break up the mucus stuck in your lungs, making it easier to breathe and your cough more productive. Remember to spit out any mucus that's dislodged, rather than swallowing it.