Theo-24 CR
Theo-24 CR is theophylline 400mg in a modified-release capsule for asthma and COPD, a methylxanthine that relaxes the bronchial muscle.
- Category
- Respiratory Health
- Active ingredient
- Theophylline
- Route
- Oral use
- Form
- Modified-release capsule, hard
- Strengths
- 400mg
No prescription needed: we place your order for Theo-24 CR on your behalf.
- Conditions
- Asthma · Chronic Obstructive Pulmonary Disease
- Alternative names
- Nuelin SA; Slo-Phyllin
- Therapeutic class
- Bronchodilator
- Pharmacological class
- Methylxanthine
- Contraindications
- hypersensitivity to theophylline; cardiac arrhythmias
- Precautions and warnings
- maintain steady intake; blood monitoring required
- Minor side effects
- nausea; headache; insomnia
- Moderate side effects
- tachycardia; palpitations
- Dosage forms
- Modified-release capsule, hard
- Administration route
- Oral use
- Onset Time
- 1–2 hours
- Duration
- 12–24 hours
- Storage instructions
- Store below 25°C, keep dry.
- Drug interactions
- caffeine; tobacco
- Age restrictions
- Use with caution in children and elderly.
Serious side effects
cardiac arrhythmia, requires immediate medical attention; seizures, requires immediate medical attention
Patient summary
Theo-24 CR is theophylline 400mg in a modified-release capsule for asthma and COPD, a methylxanthine that relaxes the bronchial muscle.
Mechanism of action
Theophylline relaxes bronchial smooth muscle and suppresses airway inflammation, thereby facilitating airflow in patients with reversible obstructive airway diseases.
Pregnancy and breastfeeding
Pregnancy: Use with caution. Breastfeeding: Confirm breastfeeding suitability with a qualified clinician or pharmacist before use.
Theo-24 CR is a brand of theophylline, a medication used to manage symptoms of asthma and chronic obstructive pulmonary disease. The same active ingredient is also sold as Nuelin SA and Slo-phyllin, supplied as a 400mg tablet. This Mylan product helps maintain open airways for those managing their respiratory health.
Buying Theo-24 CR online
Generic theophylline, much of it made in India, remains significantly more affordable than the original brand for expats and travellers far from a major pharmacy.