Theophylline, Ephedrine, Guaifenesin, and Phenobarbital (Systemic)

Proper Use of This Medicine

This medicine 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 doctor may want you to take this medicine with meals or right after meals to lessen stomach upset. If you have any questions about how you should be taking this medicine, check with your doctor.

Take this medicine only as directed . Do not take more of it and do not take it more often than recommended on the label, unless otherwise directed by your doctor. To do so may increase the chance of serious side effects. Also, if too much is taken, the phenobarbital in this medicine may become habit-forming.

In order for this medicine to help your medical problem, it must be taken every day in regularly spaced doses as recommended . This is necessary to keep a constant amount of this medicine in the blood. To help keep the amount constant, do not miss any doses.

Dosing - The dose of theophylline, ephedrine, guaifenesin, and phenobarbital combination will be different for different patients. Follow your doctor's orders or the directions on the label .

Missed dose - If you miss a dose of this medicine, 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 medicine:

• Keep out of the reach of children.
• Store away from heat and direct light.
• Do not store the tablet form of this medicine in the bathroom, near the kitchen sink, or in other damp places. Heat or moisture may cause the medicine to break down.
• Keep the liquid form of this medicine from freezing.
• Do not keep outdated medicine or medicine no longer needed. Be sure that any discarded medicine is out of the reach of children.