Stop using celecoxib and call your doctor at once if you have a serious side effect such as: 1  chest pain, weakness, shortness of breath, slurred speech, problems with vision or balance; 2  black, bloody, or tarry stools;  coughing up blood or vomit that looks like coffee grounds;
To convert milligrams (mg) to milliliters (ml), the number of milligrams must be multiplied by the density of the liquid, which equals the volume in liters,and then divided by 1,000 to convert liters to milliliters. The density of each liquid is unique.
Milligrams versus milliliters. One milliliter of water weighs one gram. There are 1000 milligrams in one gram. One milliliter of other substances will weigh more or less, depending upon their densities. A millilter of gasoline, for example, weighs less, and a milliliter of mercury weighs more -- WAY more. Milligram is a unit of mass; milliliter is a unit of volume.