Drug Identity
Active Ingredient
Theophylline Syp
Drug Class
Respiratory Care
Chemical Class
Alkaloid
Pharmacological Group
on the basis of mechanism of action and also cl...
What is Respro?
Uses
Theophylline is a bronchodilator that is used to treat symptoms of asthma, bronchitis , emphysema , and other breathing problems. Theophy...
How It Works
Chemical Class
Alkaloid
Pharmacological Group
on the basis of mechanism of action and also classified in Bronchodilator pharmacological group
It is of Natural origin and belongs to Alkaloid. It belongs to Phosphodiesterase inhibitor pharmacological group on the basis of mechanism of action and also classified in Bronchodilator pharmacological group. The Molecular Weight of Theophylline is 180.20. It is weakly alkaline drug, 2.94% solution of the drug is isotonic and Its pKa is 8.8.
How to Take It
1
Adult · PO
300 mg — As recommended.
Should be given in divided doses. Frequency may be increased upto 4 times/day if needed.
2
Adult
Scraped Dose
Follow all directions on your prescription label and read all medication guides or instruction sheets. Your doctor may occasionally change your dose. Never use theophylline in larger amounts, or fo
3
Child · Oral
10 to 12 mg/kg — 12 hourly
SR Dose
Safety Alerts
You should not use theophylline if you are allergic to it
Tell your doctor if you have ever had: a gastric or peptic ulcer
a serious infection called sepsis
liver disease (especially cirrhosis or hepatitis)
fluid in your lungs
Important Warnings
Never use theophylline in larger amounts, or for longer than prescribed
Seek medical attention if your breathing problems get worse quickly, or if you think your medications are not working as well
Overdose can occur if you take too much theophylline at one time, or if your daily doses are too high
Tell your doctor about all your current medicines and any you start or stop using
Many drugs can interact with theophylline
Side Effects
Get emergency medical help if you have signs of an allergic reaction : hivesdifficult breathingswelling of your facelipstongueor throat. Theophylline may cause serious side effects. Call your doctor at once if you have: severe or continued vomitingongoing headachetrouble sleepingrapid heartbeatsa seizurenew signs of illness (especially fever)low potassium level --leg crampsconstipationirregular heartbeatsfluttering in your chest
Drug Interactions
Sometimes it is not safe to use certain medications at the same time. Some drugs can affect your blood levels of other drugs you take
which may increase side effects or make the medications less effective. If you take St. John's wort regularly
do not stop taking it without first asking your doctor. Starting or stopping St. John's wort can affect your blood levels of theophylline. Many drugs can affect theophylline. This includes prescription and over-the-counter medicines
vitamins
and herbal products . Not all possible interactions are listed here. Tell your doctor about all your current medicines and any medicine you start or stop using.
Storage
Tab, Syrup Store in a well closed container, Below 40°C. Protect from Sunlight and Moisture.
Price Intelligence
Rs 348
Servaid observed price · as of 30 July 2026
No approved ceiling matched to this exact pack and strength.
Prices across sources
ServaidRs 348
Should you consider an alternative?
Other options containing Theophylline Syp, and what they are not.
Same active ingredient, a different dose. Never switch strength without your doctor or pharmacist.
Ordered by lowest price per unit where a pack size is known, then by price. Order is never affected by sponsorship. Not medical advice — confirm any change with your pharmacist or doctor.
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