This medication is a bronchodilator, prescribed for asthma, chronic bronchitis, emphysema, and other lung diseases. It works by relaxing the muscle around the airways in the lungs.
Theophylline calms lung muscles. It protects the airways from irritants. It makes the diaphragm stronger.
It comes as a tablet and capsule to take by mouth with or without food. The recommended dose is 400 or 600 mg once a day in the morning or evening.
Nervous and excitable. Upset stomach or throwing up. Many small meals, good mouth care, sucking hard, sugar-free candy, or chewing sugar-free gum may help.
Take a missed dose as soon as you think about it. If it is close to the time for your next dose, skip the missed dose and go back to your normal time. Do not take 2 doses at the same time or extra doses. Do not change the dose or stop this drug. Talk with the doctor.
If you have an allergy to theophylline or any other part of this drug. Tell your doctor if you are allergic to any drugs. Make sure to tell about the allergy and what signs you had. This includes telling about rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs.
If you think there was an overdose, call your local poison control center or ER right away. Signs of a very bad reaction to the drug. These include wheezing; chest tightness; fever; itching; bad cough; blue or gray skin color; seizures; or swelling of face, lips, tongue, or throat. A fast heartbeat. Very bad dizziness or passing out. Very nervous and excitable. Very upset stomach or throwing up. Peak flow measurement low. Any rash. Side effect or health problem is not better or you are feeling worse.
Sometimes drugs are not safe when you take them with certain other drugs and food. - Taking them together can cause bad side effects. - Be sure to talk to your doctor about all the drugs you take.
Avoid Alcohol. Avoid taking large amount of caffeinated beverages. It may affect blood sugar level; monitor sugar level regularly while taking this medication.
Store in a cool, dry place away from the reach of children. - Medicines must not be used past the expiry date.
Category C : Animal reproduction studies have shown an adverse effect on the fetus and there are no adequate and well-controlled studies in humans, but potential benefits may warrant use of the drug in pregnant women despite potential risks.
Antiasthmatic & COPD Preparations
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