SR Tablet, SR tablets

Purdue Pharma

Uniphyl SR (theophylline) is used to treat symptoms of chest tightness and difficulty breathing associated with asthma and other lung disease (eg, asthma and bronchospasm due to chronic bronchitis and emphysema.

Do not take Uniphyl SR (theophylline) if you are allergic to any ingredient in Uniphyl SR (theophylline) or to similar medications or products (eg, caffeine, chocolate) you have active peptic ulcer disease you have a seizure disorder you are taking a similar medication

Before using Uniphyl SR (theophylline), tell your health care provider about any of the following: if you are pregnant, planning to become pregnant, or breastfeeding if you are taking any prescription or nonprescription medicine if you have irregular or fast heart rhythms if you have any other medical condition

Overdose of Uniphyl SR (theophylline) can cause peripheral vascular collapse

Other:  Diarrhea; irritability; restlessness; muscle tremors; increase in urination; stomach pain; nervousness; disorientation.

How much medicine you take and how often you take it depends on many factors, including the condition being treated and the age and weight of the patient. If you have any questions about the amount and/or frequency of Uniphyl SR (theophylline) you are taking, talk with your health care provider. You must be consistent in the way you take Uniphyl SR (theophylline). Either consistently take Uniphyl SR (theophylline) with food or take Uniphyl SR (theophylline) on an empty stomach. Do not crush or chew. Take Uniphyl SR (theophylline) at the same time every day. Stop taking Uniphyl SR (theophylline) and contact your health care provider if nausea, vomiting, persistent headache, sleeplessness, or rapid heartbeat occurs. Contact your doctor if you develop a new illness, especially if accompanied by a persistent fever, if you experience worsening of a chronic illness, or if you start or stop smoking cigarettes or marijuana. Remind all of your health care providers that you are taking Uniphyl SR (theophylline), especially when a new medicine is added or an old medicine is stopped. Avoid large amounts of caffeine-containing food or beverages, such as tea, coffee, cocoa, and cola drinks, or large amounts of chocolate because these products may increase side effects. Lab tests may be necessary to monitor therapy. Be sure to keep appointments. Do not stop taking Uniphyl SR (theophylline) without checking with your health care provider. Patients with previous medical conditions should talk with their health care provider before taking Uniphyl SR (theophylline). Do not take more medicine than is prescribed unless advised to do so by your doctor or health care provider. Do not take any other over-the-counter or prescription medications without talking with your health care provider. If a dose is missed, take it at the next scheduled time.

Store Uniphyl SR (theophylline) between 59 to 86 degrees F.