Alert

theophylline (oral)

Pronunciation: thee OFF i lin

Brand: Elixophyllin, Theo-24

Theophylline ER

slide 1 of 24, Theophylline ER,

400 mg/24 hours, round, white, imprinted with PF, U400

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Theophylline ER

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600 mg/24 hours, rectangular, white, imprinted with PF, U 600

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Theophylline ER

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300 mg, capsule, white, imprinted with PLIVA 459

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Theophylline ER

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200 mg, oval, white, imprinted with PLIVA 482

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Theophylline ER

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100 mg, round, white, imprinted with Pliva 483

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Theophylline ER

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450 mg, oblong, white, imprinted with PLIVA 518

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Theo-24

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100 mg/24 hours, capsule, orange, imprinted with Theo-24 100 mg, AP 2832

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Quibron-T/SR

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300 mg, rectangular, white, imprinted with RP 070

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Theo-24

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100 mg/24 hours, capsule, orange/yellow, imprinted with Theo-24 100 mg, ucb 2832

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Theo-24

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200 mg/24 hours, capsule, orange/red, imprinted with Theo-24 200 mg, ucb 2842

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Theo-24

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300 mg/24 hours, capsule, clear/red, imprinted with Theo-24 300 mg, ucb 2852

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Theo-24

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400 mg/24 hours, capsule, clear/pink, imprinted with Theo-24 400 mg, ucb 2902

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Theo-Dur

slide 13 of 24, Theo-Dur,

200 mg, elliptical, white, imprinted with THEO-DUR 200

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Theo-Dur

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300 mg, oblong, white, imprinted with THEO-DUR 300

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Theo-Dur

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450 mg, oblong, white, imprinted with THEO-DUR 450

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Theophylline ER

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100 mg, round, white, imprinted with LOGO 3584

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Theophylline SR

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200 mg, elliptical, white, imprinted with IL 3583

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Theophylline SR

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200 mg, elliptical, white, imprinted with SL 482

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Theophylline SR

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200 mg, elliptical, white, imprinted with WARRICK 1660

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Theophylline ER

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300 mg, oblong, white, imprinted with LOGO 3581

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Theophylline SR

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300 mg, oblong, white, imprinted with WARRICK 1670

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Theophylline SR

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450 mg, oblong, white, imprinted with WARRICK 1680

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Theophylline ER

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600 mg/24 hours, oblong, white, imprinted with NT6

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Uniphyl

slide 24 of 24, Uniphyl,

400 mg/24 hours, round, white, imprinted with P F, U 400

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What is the most important information I should know about theophylline?

Never use theophylline in larger amounts, or for longer than prescribed. Seek medical attention if your breathing problems get worse quickly, or if you think your medications are not working as well.

Overdose can occur if you take too much theophylline at one time, or if your daily doses are too high.

Tell your doctor about all your current medicines and any you start or stop using. Many drugs can interact with theophylline.

What is theophylline?

Theophylline is a bronchodilator that is used to treat symptoms of asthma, bronchitis, emphysema, and other breathing problems.

Theophylline may also be used for purposes not listed in this medication guide.

What should I discuss with my healthcare provider before taking theophylline?

You should not use theophylline if you are allergic to it.

Tell your doctor if you have ever had:

  • a gastric or peptic ulcer;
  • a serious infection called sepsis;
  • liver disease (especially cirrhosis or hepatitis);
  • fluid in your lungs;
  • heart problems;
  • a thyroid disorder;
  • seizures; or
  • kidney disease.

Tell your doctor if you drink alcohol, or if you smoke or have recently quit smoking cigarettes or marijuana.

Also tell your doctor if you have been sick with a high fever (102 degrees or higher) for 24 hours or longer.

Tell your doctor if you are pregnant or breastfeeding.

Do not give this medicine to a child without medical advice.

How should I take theophylline?

Follow all directions on your prescription label and read all medication guides or instruction sheets. Your doctor may occasionally change your dose. Never use theophylline in larger amounts, or for longer than prescribed.

Theophylline is not a rescue medicine for asthma or bronchospasm attacks. Use only fast-acting inhalation medicine for an attack. Seek medical attention if your breathing problems get worse quickly, or if you think your medications are not working as well.

Swallow the capsule or tablet whole and do not crush or chew it. You may break a scored tablet in half if needed to get the correct dose.

Some tablets are made with a shell that is not absorbed or melted in the body. Part of this shell may appear in your stool. This is normal and will not make the medicine less effective.

Measure liquid medicine carefully. Use the dosing syringe provided, or use a medicine dose-measuring device (not a kitchen spoon).

Your dose and the number of times you take theophylline daily will depend on the reason you are taking this medication.

Follow your doctor's instructions about whether to take your medication with food or on an empty stomach.

Your dose needs may change if you are ill, or if you switch to a different brand, strength, or form of this medicine. Avoid medication errors by using only the form and strength your doctor prescribes.

You will need regular medical tests to be sure you are using the right dose. Do not change your dose or dosing schedule without your doctor's advice.

Theophylline doses are based on weight in children. Your child's dose needs may change if the child gains or loses weight.

This medicine can affect the results of certain medical tests. Tell any doctor who treats you that you are using theophylline.

Store at room temperature away from moisture, heat, and light.

What happens if I miss a dose?

Skip the missed dose and use your next dose at the regular time. Do not use two doses at one time.

What happens if I overdose?

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222. Seizures caused by a theophylline overdose can cause death or permanent brain damage.

Theophylline overdose can occur if you accidentally take too much at one time. Overdose can also occur slowly over time if your daily doses are too high. To be sure you are using the correct dose, your blood will need to be tested often.

Overdose symptoms may include severe nausea and vomiting, seizure, slow heart rate, weak pulse, or fainting.

What should I avoid while using theophylline?

Do not start or stop smoking without first talking to your doctor. Smoking changes the way your body uses theophylline, and you may need to use a different dose.

Avoid taking an herbal supplement containing St. John's wort.

Avoid driving or hazardous activity until you know how this medicine will affect you. Your reactions could be impaired.

What are the possible side effects of theophylline?

Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have:

  • severe or continued vomiting;
  • ongoing headache, trouble sleeping;
  • rapid heartbeats;
  • a seizure;
  • new signs of illness (especially fever);
  • low potassium level --leg cramps, constipation, irregular heartbeats, fluttering in your chest, increased thirst or urination, numbness or tingling, muscle weakness or limp feeling; or
  • high blood sugar --increased thirst, increased urination, dry mouth, fruity breath odor.

Serious side effects may be more likely in older adults.

Common side effects may include:

  • nausea, vomiting, diarrhea;
  • headache;
  • sleep problems (insomnia);
  • tremors;
  • sweating; or
  • feeling restless or irritable.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

What other drugs will affect theophylline?

Sometimes it is not safe to use certain medications at the same time. Some drugs can affect your blood levels of other drugs you take, which may increase side effects or make the medications less effective.

If you take St. John's wort regularly, do not stop taking it without first asking your doctor. Starting or stopping St. John's wort can affect your blood levels of theophylline.

Many drugs can affect theophylline. This includes prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible interactions are listed here. Tell your doctor about all your current medicines and any medicine you start or stop using.

Where can I get more information?

Your pharmacist can provide more information about theophylline.

Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.

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