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Theo-24 CR

Theo-24 CR

Theophylline

Theo-24 CR is theophylline 400mg in a modified-release capsule for asthma and COPD, a methylxanthine that relaxes the bronchial muscle.

All strengths and pack prices
StrengthPackPricePer unit
400mg30 tablets$33.00$1.10
400mg60 tablets$54.60$0.91
400mg90 tablets$72.00$0.80
400mg120 tablets$86.40$0.72
400mg180 tablets$117.00$0.65
400mg360 tablets$216.00$0.60
Active ingredient
Theophylline
Route
Oral use
Form
Modified-release capsule, hard
Strengths
400mg

You will receive a quality generic equivalent, depending on stock.

No prescription needed: we place your order for Theo-24 CR on your behalf.

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
Originator
Endo Pharmaceuticals
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 remains significantly more affordable than the original brand for expats and travellers far from a major pharmacy.

What you will receive

Theo-24 CR is the originator brand name, made by Endo Pharmaceuticals. We use it here to identify the medicine only; we are not affiliated with Endo Pharmaceuticals and do not ship the original Theo-24 CR.

  • You receive a generic equivalent: the same active ingredient (Theophylline) at the same dose, mostly recognised branded generics from vetted manufacturers.
  • The exact brand supplied depends on what is in stock at the dispatching warehouse.
  • Inactive ingredients, tablet appearance and packaging can differ from the original brand; the active ingredient and dose are the same.

Are all generics really the same? Read the honest answer.