Theo-24 Sr
Designed to target constricted airways, promoting improved airflow and reducing breathing difficulty.
- Category
- Respiratory Health
- Active ingredient
- Theophylline
- Supply
- Pharmacy
- Route
- Oral use
- Form
- Modified-release capsule, hard
- Strengths
- 200mg
Theo-24 Sr details
- Conditions
- Asthma · Chronic Obstructive Pulmonary Disease
- Alternative names
- Nuelin SA; Slo-Phyllin
- Therapeutic class
- Methylxanthine
- Pharmacological class
- Xanthine Derivative
- Contraindications
- hypersensitivity to Xanthines; peptic ulcer disease; unstable epilepsy
- Precautions and warnings
- regular blood monitoring required; inform your doctor if you smoke
- Minor side effects
- headache; nausea; insomnia
- Moderate side effects
- tachycardia; palpitations; gastric irritation
- Dosage forms
- Modified-release capsule, hard
- Administration route
- Oral use
- Supply category
- Pharmacist only, dispensed without a prescription
- Manufacturer
- Mylan
- Onset Time
- 1–2 hours
- Duration
- 12–24 hours
- Storage instructions
- Store at room temperature away from moisture.
- Drug interactions
- caffeine; tobacco smoke; st. john's wort
- Age restrictions
- Dose adjustment required for elderly.
Serious side effects
seizures, requires immediate medical attention; arrhythmias, requires immediate medical attention
Patient summary
designed to target constricted airways, promoting improved airflow and reducing breathing difficulty.
Mechanism of action
Theo-24 Sr acts primarily as a bronchodilator by increasing the level of cyclic adenosine monophosphate (cAMP) in smooth muscles. This mechanism relaxes bronchial muscles and exerts mild anti-inflammatory action, making it an effective treatment for chronic airflow obstruction.
Pregnancy and breastfeeding
Pregnancy: Consult healthcare professional. Breastfeeding: May pass into breast milk safely if dosed properly.
Where this medicine is registered
- Singapore
- Hong Kong
- Thailand
- Malaysia
- Philippines
- Indonesia
- Taiwan
- South Korea
- Japan
- Australia
- New Zealand
- UAE
- South Africa
About Theo-24 Sr
Theo-24 Sr contains theophylline, a medication used to manage asthma and chronic obstructive pulmonary disease. Manufactured by Mylan, this bronchodilator is also sold as Nuelin Sa and Slo-phyllin. It is available as a 200mg tablet, designed for steady release to help with airway maintenance and improved breathing for those with chronic respiratory conditions.
Buying Theo-24 Sr online
Theo-24 Sr is registered across 13 markets including Malaysia, the Philippines and Indonesia, with availability also in Taiwan, South Korea and Japan. Ordering medication online offers a practical solution for expats and travellers far from a well-stocked local provider, particularly when seeking affordable access to theophylline. As one of the most ordered bronchodilator options across the region, it ensures consistent supply for those requiring reliable respiratory support without needing to visit a physical stockist.