Medication Information Leaflet
Theophylline is used to control symptoms caused by lung problems such as asthma, chronic obstructive lung disease (COPD) or other lung problems. These medical conditions can cause you to experience wheezing (a high-pitched whistling sound made while breathing), shortness of breath or chest tightness. Theophylline helps to open up your air passages in your lungs and allows you to breathe easier.
Inform your healthcare professional if:
The common side effects include:
These symptoms may happen but should get better over time. Check with your doctor if any of these symptoms are serious or do not go away.
In very rare cases, some patients might experience the following:
The symptoms of a drug allergy include one or more of the following:
If you experience any of these symptoms, you should stop your medication and see your healthcare professional immediately.
Some medications may interact with theophylline and affect the levels of theophylline in your body. Check with your healthcare professional to see if any of your medications interact with theophylline.
You should cut down on your intake of caffeine as it has similar effects to theophylline. Caffeine is commonly found in tea, coffee, chocolates and cola.
Store in a cool and dry place, away from direct sunlight. Keep this medication away from children.
Pack this medication into a black trash bag and seal it tightly before throwing into the rubbish chute or bin.
Please take note that the above is not a complete list of all possible side effects. If you have any concerns about your medication or if you have other side effects that you think are caused by this medication, please consult your doctor or pharmacist.
If you take more than the recommended dose, please seek medical advice immediately. The information provided on this page does not replace information from your healthcare professional. Please consult your healthcare professional for more information.
This article is jointly developed by members of the National Medication Information workgroup. The workgroup consists of cluster partners (National Healthcare Group, National University Health System and SingHealth), community pharmacies (Guardian, Unity and Watsons) and Pharmaceutical Society of Singapore. The content does not reflect drug availability and supply information in pharmacies and healthcare institutions. You are advised to check with the respective institutions for such information.
Last updated on September 2022
This article was last reviewed on Friday, May 26, 2023