Brand names of theophylline

  • Accurbron
  • Acet-Am
  • A.E.A
  • Aerolate
  • Aminodrox-Forte
  • Apo-Oxtriphylline
  • Apo-Theo LA
  • Aquaphyllim
  • Asbron [CD]
  • Asmalix
  • Azpan
  • Brocomar [CD]
  • Broncomar[CD]
  • Bronkaid Tablets [CD]
  • Bronkodyl
  • Bronkolixir [CD]
  • Bronkotabs
  • Bronkotabs [CD]
  • Constant-T
  • Duraphyl
  • Elixicon
  • Elixomin
  • Elixophyllin
  • For-Az-Ma [CD]
  • Isuprel Compound [CD]
  • Labid
  • Lanophyllin
  • Lixolin
  • Lodrane
  • Lodrane CR
  • Marax [CD]
  • Marax DF [CD]
  • Mudrane GG Elixir [CD]
  • Novo-Theophyl SR
  • Phedral [CD]
  • Phyllocontin
  • Physpan
  • PMS Theophylline
  • Primatene
  • Pulmophylline
  • Quadrinal [CD]
  • Quibron [CD]
  • Quibron Plus [CD]
  • Quibron-T Dividose
  • Quibron-300 [CD]
  • Quibron-T/SR
  • Respbid
  • Slo-Bid
  • Slo-Bid Gyrocaps
  • Slo-Phyllin
  • Slo-Phyllin GG [CD]
  • Slo-Phyllin Gyrocaps
  • Somophyllin
  • Somophyllin-12
  • Sustaire
  • Tedral [CD]
  • Tedral SA [CD]
  • T.E.H. [CD]
  • T.E.P.
  • Thalfed
  • Theobid Duracaps
  • Theo-Bronc
  • Theochron
  • Theochron SR
  • Theoclear
  • Theoclear L.A
  • Theocord
  • Theo-Dur
  • Theo-Dur Sprinkle
  • Theolair
  • Theolair-SR
  • Theolate [CD]
  • Theolixir
  • Theomar [CD]
  • Theomax DF
  • Theon
  • Theophylline
  • Theophyl-SR
  • Theospan-SR
  • Theo-SR
  • Theo-Time
  • Theo-24
  • Theovent
  • Theox
  • Theozine
  • Therex [CD]
  • Uni-Dur
  • Uniphyl
  • Vitaphen [CD]

Theophylline belongs to the class of drugs known as bronchodilators. This medicament works to slacken the lungs as well as chest muscles, lessening the vulnerability of the lungs to allergens as well as other factors responsible for developing bronchospasm. Theophylline is employed for treating symptoms associated with asthma, emphysema and bronchitis.

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Things you need to tell your physician before taking theophylline

Prior to using theophylline, you should let your pharmacist and physicians know whether you have allergic reactions to this drug or any different medications.

Also tell them about all the medications - prescription plus nonprescription drugs, and vitamins you may be taking from before, especially epinephrine, ephedrine, phenylpropanolamine, phenylephrine and/ or pseudoephedrine. Several products that are available over-the-counter enclose these drugs, for instance, medicines for treating asthma and cold, diet pills and others. Therefore, always scrutinize the labels of all medications carefully before you use them. It is not advisable to use any of the above mentioned medication without consulting your physician, because these medications have the aptitude to aggravate the adverse effects of using theophylline.

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Inform your physician about your entire health condition. Tell him/ her if you had suffered or are suffering from ulcers, seizures, heart ailments, hypertension (high blood pressure), any disease related to the liver, hyperthyroidism or hypothyroidism or have an alcohol abuse history.

You should also let your physician know if you use tobacco in any form. You should know that smoking cigarettes is likely to diminish the efficacy of theophylline.

Women planning to use theophylline should tell their physician if they are expecting or planning to have a child. In case any woman conceives while using theophylline, she should call her physician immediately for help and guidance. New mothers should let their physician know if they are breast feeding.

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The bronchodilator theophylline is employed to lessen the incidence as well as the harshness of breathing troubles in people enduring bronchitis, emphysema, asthma and additional problems related to the lungs.

How to use theophylline

Theophylline is available in tablet, extended release (long acting) tablet and capsule as well as liquid forms and should always be taken with a full glass (8 oz) of water. You may take this medication with or with no food, but always in the same manner. Never break, chew, crush or open any extended-release capsule or tablet unless your physician instructs otherwise. Gulp down the tablet or capsule as a whole. You should know that extended-release capsules and tablets are meant to slowly release the drug inside the body. If you chew, crush or break open these medications, they will result in the release of the entire drug at once.

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However, your physician may possibly instruct you to break a normal (not extended release) theophylline tablet before you swallow it. A few tablets have particular markings on them to help you to break them. Always follow your physician's instructions while taking this medication.

Provided you are taking the liquid form of theophylline, you need to measure the medication using a particular cup or spoon meant for measuring the dose of liquid medications. Never use a normal spoon to measure your dose, as it will not help you to take the appropriate dosage. In case you do not have a measuring cup or spoon to measure the dosage, request your pharmacist to provide you with one.

You should always take theophylline according to your prescription. It is never advisable to take this drug in excessive or lesser amounts or for a longer period than what your physician has prescribed. In addition, you also need to abide by the instructions on the product's prescription label. From time to time, your physician is likely to alter your dose of this medication with a view to ensure that you obtain the maximum benefits of using it.

It is important to note that if you are changing the brand, potency or the kind of theophylline you have been using, possibly your dosage of the medication too will change. Therefore, every time you get a refill of the medication ensure that you have been given the right brand as well as type of theophylline that your physician has prescribed for you. In case you have queries regarding the medicament you get from the pharmacy, seek the help of your pharmacist.

When you are being treated with theophylline always consult your physician before you start or quit smoking, because cigarette smoking brings in changes in the manner your body makes use of theophylline. Your dose of the medication may need to be changed in case you begin to smoke or give up smoking while taking theophylline.

Get emergency medical assistance in case you suspect that you might have taken an overdose of theophylline. Taking this medication in excessive dosage may result in a number of symptoms, including vomiting, giddiness, restiveness, tremors, sleeplessness (insomnia), convulsions (seizures) and irregular heart rhythms. Remember, seizures set off by an overdose of theophylline may result in enduring damage to the brain and even untimely death.

How theophylline works

The spasm of the bronchial passages' smooth muscles in the lungs (a condition called bronchospasm) results in an attack of asthma. Theophylline works by loosening the muscles of the chest and lungs, thereby broadening the narrowed air passages and bringing back regular breathing.

Side effects

Less common:

Possible interactions

Herbal medicines or minerals:
Using theophylline in combination with ma huang, St. John's wort, kola or compounds similar to ephedrine is likely to cause an augmented feeling of anxiety or jitteriness (stimulation of the central nervous system or CNS). In effect, at least one patient has reported that using St. John's wort while being treated with theophylline has led to reduced elimination of the drug from the bloodstream (body). Therefore, people using this medication should always be careful about the level of theophylline in their bloodstream and have their blood examined very often. People with asthma should avoid using pine needle or fir oil. Provided you have allergies to plants belonging to the Asteraceae family (plants such as daisy, chrysanthemum, aster or ragweed), you are also likely to have allergic reactions to chamomile, St. John's wort, feverfew and Echinacea.
People with breathing problems and using the bronchodilator theophylline should stay away from drinking any beverage containing caffeine in excess. They should especially avoid tea, coffee, chocolate and cola, because drinking these while using this drug may result in sleeplessness and anxiety.
Heavy consumption of alcoholic drinks may lessen the removal of theophylline from the body by as much as 30 per cent. In addition, alcohol may possibly also have an additive consequence on stomach pain.
Tobacco smoking:
People with asthma and using theophylline should stay away from smoking tobacco, because this is likely to speed up the removal of this bronchodilator from the body and also lessen its efficacy.
Marijuana smoking:
Smoking marijuana may also speed up the removal from the body and, at the same time, lessen the efficacy of theophylline, requiring elevated dosages to sustain a therapeutic level of this medicament in the bloodstream. Therefore, avoid this habit.
Occurrence of unrelated illness:
If you are using theophylline you should know that occurrence of ailments like a fever or rapid viral infection of the respiratory tract is likely to slow down the elimination of this drug from the body. Keep an eye on symptoms of toxicity, because the dosage may need to be altered when this happens. In such an instance you may require using the medicament more often to maintain its level in the bloodstream. Use of theophylline may also further deteriorate seizure problems. Therefore, people who have seizures should be used this medication very carefully. This medicine should also be used with great care by people having heart arrhythmias (only cardiac, excluding slow arrhythmias - also called bradyarrhythmias).


It is not advisable to use theophylline without need or for an extended period of time. Discontinue theophylline slowly over a period of time when your asthma problems are over.

Storage instructions

You should always keep theophylline at the normal temperature of your living room and in a place further than dampness and heat. Store this medication in a sealed container. All medicaments, including theophylline, should be kept away from the range of children.


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