Nuelin-SR (Theophylline)
Complete patient guide for uses, dosage, side effects, and safety information
Quick Facts
What Is Nuelin-SR Used For?
Nuelin-SR tablets contain the active ingredient theophylline, which helps relax the muscles lining the airways. It is a slow-release medication that provides relief for approximately 12 hours.
Primary Uses
Nuelin-SR is primarily used to treat asthma and other conditions that cause breathing difficulties. It also helps prevent asthma attacks.
How It Works
Theophylline works by relaxing the muscles around the airways, making it easier to breathe.
Good to know: Nuelin-SR is not considered addictive.
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How to Take Nuelin-SR
It is important to take Nuelin-SR as directed by your healthcare provider.
Dosage Instructions
Adults typically take one tablet every 12 hours. For children over 2 years, the dosage is based on body weight. Always follow your doctor's instructions.
What If You Miss a Dose?
If you miss a dose, take it as soon as you remember. If it's more than 4 hours late, skip the missed dose and take your next dose at the scheduled time. Do not double up.
Important: Never take a double dose to make up for a missed one.
Available Tablet Strengths
Side Effects
Like all medications, this medicine can cause side effects. Most are mild and temporary, but some require medical attention.
Common Side Effects
These side effects occur relatively frequently and usually don’t require emergency care:
- nausea
- vomiting
- stomach pain
- loss of appetite
- headache
- difficulty sleeping
- feeling restless or irritable
Seek immediate medical attention if you experience:
- heart rhythm disturbances
- fits
Important Warnings
There are several important considerations to keep in mind while using Nuelin-SR.
Who Should Not Take Nuelin-SR
Do not take Nuelin-SR if you are allergic to theophylline, aminophylline, caffeine, or any of its ingredients.
Medical Conditions to Discuss
Discuss with your doctor if you have allergies, heart disease, high blood pressure, liver or lung disease, or if you are taking any other medications.
Pregnancy and Breastfeeding
Consult your doctor if you are pregnant, planning to become pregnant, or breastfeeding, as theophylline may affect your baby.
Drug Interactions
Certain medications may interact with Nuelin-SR and affect its effectiveness.
- Cimetidine
- Allopurinol
- Propranolol
- Erythromycin
- Clarithromycin
- Ciprofloxacin
- Enoxacin
- Alcohol
- Oral contraceptives
- Mexiletine
- Verapamil
- Tacrine
- Thiabendazole
- Disulfiram
- Interferon alpha
- Tobacco
- Marijuana
- Phenobarbitone
- Phenytoin
- Carbamazepine
- Lithium
- Rifampicin
- St John's wort
Alcohol & Driving
Be cautious with alcohol consumption and operating machinery while taking Nuelin-SR.
Alcohol
Avoid drinking alcohol while taking Nuelin-SR, as it may enhance the effects of the medication.
Driving and Operating Machinery
Be careful when driving or using machinery until you know how Nuelin-SR affects you.
Storage
Store Nuelin-SR below 30°C in a cool, dry place, away from moisture and sunlight. Keep it out of reach of children.
Overdose Information
If you suspect an overdose, seek medical help immediately. Symptoms may include irritability, agitation, nausea, vomiting, rapid heartbeat, or confusion.
Frequently Asked Questions
Nuelin-SR provides relief for about 12 hours after taking a tablet.
Yes, it is recommended to take Nuelin-SR with or immediately after food.
No, Nuelin-SR is not considered addictive.
Do not stop taking Nuelin-SR without consulting your doctor, as it may worsen your asthma.
It is advised to avoid alcohol while taking Nuelin-SR.
Weight gain is not listed as a side effect of Nuelin-SR.
Elderly patients should consult their doctor before taking Nuelin-SR, especially if they have any pre-existing conditions.
If you miss a dose, take it as soon as you remember, but skip it if it's more than 4 hours late.
Important Disclaimer
This information is intended for general educational purposes only and should not be considered medical advice. Always consult your healthcare provider or pharmacist before starting, stopping, or changing any medication.
If you think you may have a medical emergency, call your doctor or emergency services immediately.