When This Medicine Should Not Be Used:
This medicine is not right for everyone. Do not use it if you had an allergic reaction to aminophylline, theophylline, or ethylenediamine.

How to Use This Medicine:
Injectable

• Your doctor will prescribe your dose and schedule. This medicine is given through a needle placed in a vein.
• A nurse or other health provider will give you this medicine.

Drugs and Foods to Avoid:
Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.

• Many medicines can affect how aminophylline works. Tell your doctor about all medicines you are taking, especially carbamazepine, cimetidine, erythromycin, rifampin, or tacrine.

Warnings While Using This Medicine:

• Tell your doctor if you are pregnant or breastfeeding, or if you have heart rhythm problems, heart failure, lung, liver, or kidney disease, a stomach ulcer, or an underactive thyroid. Tell your doctor if you have a history of seizures or smoking.

Possible Side Effects While Using This Medicine:
Call your doctor right away if you notice any of these side effects:

• Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing
• Blistering, peeling, red skin rash
• Blood in your vomit
• Dry mouth, increased thirst, muscle cramps, nausea, or vomiting
• Fast or uneven heartbeat
• Increase in how much or how often you urinate
• Lightheadedness or fainting
• Rapid breathing or trouble breathing
• Seizures or tremors
• Severe nausea, vomiting, or diarrhea

If you notice these less serious side effects, talk with your doctor:

• Headache or trouble sleeping
• Muscle pain, or unusual tiredness or weakness

If you notice other side effects that you think are caused by this medicine, tell your doctor.
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088