Always consult your doctor or pharmacist before taking theophylline. If your condition does not improve or becomes worse, then call your doctor.
Driving or operating machinery is okay if you are sure and aware how you might react to it because theophylline may cause restlessness and troubles in sleeping.
Do NOT use theophylline if:
- You are allergic to any ingredient in theophylline;
- You are using large amount of other products that contain xanthine such as chocolate or caffeinated drinks;
- You are taking dipyridamole intravenously, febuxostat, halothane or St. Johns wort.
Use of theophylline during pregnancy or breast feeding is recommended only when there are no alternatives and benefit outweighs risk. Consult your doctor or health care professional before taking theophylline.
Refer to your doctor or pharmacist for guidelines on dosage. Do not exceed what they advise.
Usual dose for adults is:
Loading dose: 5mg/kg loading dose
Maintenance dose: healthy nonsmoking adult: 10mg/kg/day (Do not exceed 900mg/day)
Healthy adult: 16mg/kg/day
Patients with heart failure: 5mg/kg/day (Do not exceed 400mg/day)
Usual does for children is: Please consult with your doctor about the exact dosage for children.
There are 48 major drugs known to interact with theophylline and it can also interact with caffeine. Using caffeine and theophylline can increase the side effects of theophylline. Consult with your doctor about any medications you are taking, before your treatment with theophylline.