It is available as an over-the-counter drug in some countries.
Japan is the second largest market for over-the-counter drugs in the world.
Sales of over-the-counter drugs and other health products fell 11 percent, to $109.6 million.
But these over-the-counter drugs can dry out the throat and cause more problems.
Be sure your doctor knows what prescription and over-the-counter drugs you are taking.
Always tell your doctor what medications you are taking, even over-the-counter drugs.
Be sure that your doctor knows all the prescription and over-the-counter drugs you are taking.
Some insurers may require patients to try over-the-counter drugs first.
But 49 percent of those surveyed said they treated themselves only with over-the-counter drugs.
Labels should always be read when taking any kind of medicine, including over-the-counter drugs.