This drug works best when taken with a glass of water on an empty stomach - either 30 minutes to 1 hour before meals or 2 hours after meals since that way it will get into the blood sooner. However, in some cases your family doctor may want you to take this drug with meals or right after meals to lessen stomach upset. If you have any questions about how you must be taking this drug, check with your family doctor.
Take this drug only as directed by your family doctor . Do not take more of it, do not take it more often and do not take it for a longer time than your family doctor ordered. To do so may increase the risk of serious side effects.
In order for this drug to help your medical problem, it must be taken every day in regularly spaced doses as ordered by your family doctor . This is necessary to keep a constant amount of the drug in the blood. To help keep the amount constant, do not miss any doses.
After you begin taking oxtriphylline and guaifenesin combination, it is very important that your family doctor check your blood level of theophylline at regular intervals to find out if your dose of oxtriphylline and guaifenesin combination needs to be changed Do not change your dose of this drug unless your family doctor tells you to do so .
Missed dose If you miss a dose of this drug, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not double doses.
Storage To store this drug: