Quibron-T

Definition

Quibron-T is a combination drug containing theophylline, a xanthine derivative used to treat symptoms of asthma, chronic bronchitis, and emphysema. It works by relaxing the muscles in the lungs and decreasing the sensitivity of the airways to allergens and other irritants.

5 Must Know Facts For Your Next Test

1. Quibron-T primarily contains the active ingredient theophylline.
2. Theophylline in Quibron-T helps to reduce bronchospasm by relaxing smooth muscles in the airways.
3. Quibron-T can interact with a variety of drugs including antibiotics like ciprofloxacin and anticonvulsants like phenytoin.
4. Monitoring blood levels of theophylline is necessary due to its narrow therapeutic range, which can lead to toxicity if levels are too high.
5. Common side effects include nausea, headache, insomnia, and gastrointestinal upset.

Review Questions

• What is the primary active ingredient in Quibron-T?
• How does Quibron-T help alleviate symptoms of respiratory disorders?
• Why is it important to monitor blood levels when a patient is taking Quibron-T?

Related terms

Theophylline: A xanthine derivative used as a bronchodilator for treating asthma and COPD.

Leukotriene Modifiers: Medications that block leukotrienes to reduce inflammation and constriction in airways.

Mast Cell Stabilizers: Drugs that prevent mast cells from releasing histamine and other inflammatory mediators.