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  • Theo-24 Sr Used in the treatment of chronic obstructive pulmonary diseases, pulmonary emphysema, bronchial asthma, pulmonary hypertension.
  • Theophylline is used in the combined treatment of edema syndrome, sleep apnea and pulmonary hypertension.


  • Ulcerative lesions of the intestine or stomach;
  • Tachyarrhythmia;
  • Epilepsy;
  • digestive bleeding;
  • Retinal hemorrhage;
  • Age up to 3 years;
  • Theo-24 Sr intolerance.

A specialist should be careful in prescribing the drug for persons with severe cardiovascular insufficiency, lung diseases, porphyria, convulsive syndrome and prostatic hypertrophy.


Children are taken the drug orally, the dose and the multiplicity of reception are selected individually. Patients 3 to 9 years old take 24 mg per kg of body weight per day, 9 to 12 years old – 20 mg per kg of body weight, 12 to 16 years old – 18 mg per kg of body weight, and 16 to 18 years old – 13 mg per kg or 900 mg per day.

Adult patients should take from 100 to 200 mg 2 to 4 times a day.

If, when using the drug, the patient has undescribed adverse reactions, then it is necessary to abandon the drug use.


The main symptoms are anorexia, nausea, vomiting, headache, dizziness, agitation, irritability. Sometimes, the first manifestations may be seizures, ventricular arrhythmia. In severe poisoning, especially in children, epileptic seizures may develop without the occurrence of any precursors.

Treatment: induction of vomiting, laxatives and activated carbon, irrigation of the intestines with a combination of polyethylene glycol and electrolytes in the early stage of poisoning with prolonged forms. If you experience convulsions, maintain an airway and give oxygen. For the relief of seizure – intravenous diazepam, 0.1-0.3 mg/kg (but not more than 10 mg). With severe nausea and vomiting – metoclopramide or ondansetron (IV) are used. If necessary, hemoperfusion, hemodialysis is less effective.

Side effects and complications

  • Irritation of the mucous membrane of the gastrointestinal tract;
  • Gastralgia;
  • Nausea;
  • Vomiting;
  • Heartburn;
  • Diarrhea;
  • Agitation;
  • Anxiety;
  • Insomnia;
  • Headache;
  • Tremor;
  • Irritability;
  • Palpitations;
  • Arrhythmias;
  • Tachycardia;
  • Extrasystole;
  • Decrease in blood pressure;
  • Heart failure;
  • Heart failure;
  • An increase in the frequency of attacks;
  • Increased diuresis;
  • Allergic reactions (skin rash, itching).
  • Side effects are reduced by decreasing the drug dose.

Interactions with other drugs

It is contraindicated to use Theo-24 Sr in combination with other xanthine derivatives. It enhances the effect of sympathomimetics and diuretics (due to an increase in glomerular filtration), reduces the effectiveness of drugs Li + and beta-blockers.

It is prescribed with caution simultaneously with anticoagulants. In combination with phenobarbital, phenytoin, rifampicin, isoniazid, carbamazepine, sulfinpyrazone, aminoglutethimide and moricizine, there is a decrease in theophylline effectiveness, which may require an increase in its doses.

With a simultaneous use of antibiotics intensity of action may increase, which may require a decrease in theophylline dose.