Monograph Details
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Respiratory Tract
> Asthma/COPD
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THEO-24 |
| Manufacturer |
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UCB Inc. |
| Legal Classification |
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Rx
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| Pharmacological Class |
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Xanthine. |
| Generic Name |
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Theophylline 100mg, 200mg, 300mg, 400mg; ext-rel caps. |
| Indications |
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Asthma. Chronic bronchitis. Emphysema. |
| Children |
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Not recommended. |
| Adults |
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See literature. Swallow whole. Stabilized patients may be switched from immediate-release or controlled-release product to once- or twice-daily dosing with Theo-24 on a mg/mg basis. Do not take within 1 hour of fatty food if on high dose. Max without serum level monitoring: 12–15years: 16mg/kg (max 400mg) per day; ≥16years: 400mg/day. |
| Contraindications |
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Active peptic ulcer. Arrhythmias. Seizure disorders. Not for primary treatment of acute attack. |
| Precautions |
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Hepatic dysfunction. CHF. Acute pulmonary edema. Cor pulmonale. Peptic ulcer. Hypothyroidism. Fever. Sepsis. Shock. Monitor serum levels; do not try to maintain non-tolerated doses. Rapid metabolizers. Elderly. Pregnancy (Cat.C). Nursing mothers: not recommended. |
| Interactions |
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See literature. Smokers have increased metabolism. Potentiated by quinolones, macrolides, cimetidine, alcohol, allopurinol, estrogen oral contraceptives, tacrine, interferon alpha, disulfiram, fluvoxamine, verapamil, mexiletine, methotrexate, pentoxifylline, propafenone, ticlopidine, thiabenazole. Antagonized by phenytoin, rifampin, barbiturates, carbamazepine, ritonavir, sucralfate, isoproterenol, sulfinpyrazone. Avoid β-blockers. Antagonizes lithium, benzodiazepines, pancuronium, adenosine. Toxicity with sympathomimetics. Seizures with ketamine. Arrhythmias with halothane. |
| Adverse Reactions |
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GI upset, headache, CNS stimulation, diuresis, arrhythmias, seizures. |
| How Supplied |
Caps 100mg—100
200mg, 300mg, 400mg—100, 500 |
| Additional Resources |
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• Related Prescribing Note |
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