Your doctor will tell you how much to take and how often.
If you are taking this medicine to treat flu symptoms, you should take rimantadine as soon as possible after the flu symptoms begin (within 48 hours). Keep taking it for as long as your doctor has ordered.
You may take your medicine with food or milk to avoid stomach upset.
Measure the oral liquid with a marked measuring spoon or medicine cup.
If a dose is missed:
Take your medicine as soon as you remember that you have missed a dose.
If it is nearly time for your next dose, wait until then to take your medicine and skip the missed dose.