Theopin 400mg Tablet CR
Prescription Required
Product introduction
Theopin 400mg Tablet CR is used to treat and prevent symptoms of asthma and chronic obstructive pulmonary disorder (a lung disorder in which flow of air to the lung is blocked). It helps in relaxing the muscles of the air passages, thus widening it and making it easier to breathe.
Theopin 400mg Tablet CR can be taken with the food in the evening. Take it at the same time every day to get the most benefit. The dose and how often you take it depends on what you are taking it for. Your doctor will decide how much you need to improve your symptoms. Take it for as long as it is prescribed for you. Do not miss even a single dose, if in any case, you missed a dose, take it as soon as you remember it. It does not work immediately or prevent the already started breathing trouble, hence always carry your medical inhaler with you for an emergency.
The most common side effects of this medicine include vomiting, headache, nausea, stomach upset, and insomnia. If these bother you or appear serious, let your doctor know. There may be ways of reducing or preventing them. Generally, it is advised not to consume alcohol or do not smoke while on treatment. You must avoid high caffeinated products like coffee, tea, and dark chocolates as it enhances drug side effects.
Before taking this medicine, let your doctor if you have kidney or liver disease or if you have heart-related problems. Your doctor should also know about all other medicines you are taking as many of these may make this medicine less effective or change the way it works. Inform your doctor if you are pregnant or breastfeeding before starting the treatment.
Theopin 400mg Tablet CR can be taken with the food in the evening. Take it at the same time every day to get the most benefit. The dose and how often you take it depends on what you are taking it for. Your doctor will decide how much you need to improve your symptoms. Take it for as long as it is prescribed for you. Do not miss even a single dose, if in any case, you missed a dose, take it as soon as you remember it. It does not work immediately or prevent the already started breathing trouble, hence always carry your medical inhaler with you for an emergency.
The most common side effects of this medicine include vomiting, headache, nausea, stomach upset, and insomnia. If these bother you or appear serious, let your doctor know. There may be ways of reducing or preventing them. Generally, it is advised not to consume alcohol or do not smoke while on treatment. You must avoid high caffeinated products like coffee, tea, and dark chocolates as it enhances drug side effects.
Before taking this medicine, let your doctor if you have kidney or liver disease or if you have heart-related problems. Your doctor should also know about all other medicines you are taking as many of these may make this medicine less effective or change the way it works. Inform your doctor if you are pregnant or breastfeeding before starting the treatment.
Uses of Theopin Tablet CR
Side effects of Theopin Tablet CR
Most side effects do not require any medical attention and disappear as your body adjusts to the medicine. Consult your doctor if they persist or if you’re worried about them
Common side effects of Theopin
- Vomiting
- Headache
- Nausea
- Upset stomach
- Insomnia (difficulty in sleeping)
How to use Theopin Tablet CR
Take this medicine in the dose and duration as advised by your doctor. Swallow it as a whole. Do not chew, crush or break it. Theopin 400mg Tablet CR may be taken with or without food, but it is better to take it at a fixed time.
How Theopin Tablet CR works
Theopin 400mg Tablet CR is a bronchodilator. It works by relaxing the muscles of the airways and widens airways. This makes breathing easier.
Safety advice
Alcohol
UNSAFE
It is unsafe to consume alcohol with Theopin 400mg Tablet CR.
Pregnancy
CONSULT YOUR DOCTOR
Theopin 400mg Tablet CR may be unsafe to use during pregnancy. Although there are limited studies in humans, animal studies have shown harmful effects on the developing baby. Your doctor will weigh the benefits and any potential risks before prescribing it to you. Please consult your doctor.
Breast feeding
SAFE IF PRESCRIBED
Theopin 400mg Tablet CR is safe to use during breastfeeding. Human studies suggest that the drug does not pass into the breastmilk in a significant amount and is not harmful to the baby.
Avoiding breastfeeding for 2-4 hours after Theopin 400mg Tablet CR can further decrease the exposure of medicine to the baby.
Avoiding breastfeeding for 2-4 hours after Theopin 400mg Tablet CR can further decrease the exposure of medicine to the baby.
Driving
SAFE
Theopin 400mg Tablet CR does not usually affect your ability to drive.
Kidney
SAFE IF PRESCRIBED
Theopin 400mg Tablet CR is safe to use in patients with kidney disease. No dose adjustment of Theopin 400mg Tablet CR is recommended.
Liver
CAUTION
Theopin 400mg Tablet CR should be used with caution in patients with liver disease. Dose adjustment of Theopin 400mg Tablet CR may be needed. Please consult your doctor.
All substitutes
For informational purposes only. Consult a doctor before taking any medicines.
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Quick tips
- You have been prescribed Theopin 400mg Tablet CR for prevention and treatment of asthma and chronic obstructive pulmonary disease (COPD).
- It should be taken at the same time each day, preferably in the evening after food.
- It does not work right away and should not be used to relieve sudden breathing problems. Always keep a fast-acting (rescue) inhaler with you.
- Your doctor may take regular blood test to monitor potassium level and the level of this medicine in your body.
- Notify your doctor if you have ever been diagnosed with kidney, liver or heart disease, or if you have a smoking history. Your dose may need to be adjusted.
- Do not discontinue use without consulting your doctor, even if you feel better.
- You have been prescribed Theopin 400mg Tablet CR for prevention and treatment of asthma and chronic obstructive pulmonary disease (COPD).
- It should be taken at the same time each day, preferably in the evening after food.
- It does not work right away and should not be used to relieve sudden breathing problems. Always keep a fast-acting (rescue) inhaler with you.
- Your doctor may take regular blood test to monitor potassium level and the level of this medicine in your body.
- Notify your doctor if you have ever been diagnosed with kidney, liver or heart disease, or if you have a smoking history. Your dose may need to be adjusted.
- Do not discontinue use without consulting your doctor, even if you feel better.
Fact Box
Chemical Class
Xanthines Derivative
Habit Forming
No
Therapeutic Class
RESPIRATORY
Action Class
Xanthine Derivatives- Respiratory
Interaction with drugs
Taking Theopin with any of the following medicines can modify the effect of either of them and cause some undesirable side effects
If used together, If used together, If used together, Celiprolol may interrupt the efficacy of Theophylline.
Do not consume Theophylline with Celiprolol in case of asthma or COPD
Concomitant use may cause acute narrowing and obstruction of the respiratory airway.
Do not use Carvedilol with Theophylline in any form if you have asthma or breathing issues, as
If used together, If used together, If used together, Atenolol may interrupt the efficacy of Theophylline.
Do not consume Theophylline with Atenolol in case of asthma or COPD (chr
If used together, If used together, If used together, Atenolol may interrupt the efficacy of Theophylline.
Do not consume Theophylline with Atenolol in case of asthma or COPD (chr
If used together, If used together, If used together, Esmolol may interrupt the efficacy of Theophylline.
Do not consume Theophylline with Esmolol in case of asthma or COPD (chron
Patient concerns
User feedback
Patients taking Theopin 400mg Tablet CR
Once A Day
82%
Thrice A Day
9%
Twice A Day
9%
FAQs
How quickly does Theopin 400mg Tablet CR work?
Theopin 400mg Tablet CR starts acting quickly and you may notice improvement in symptoms within about half an hour of taking it. However, the medicine may take a little longer about 4-8 hours to show full effect. Consult your doctor if there is no considerable improvement in your symptoms.
What foods to avoid while taking Theopin 400mg Tablet CR?
While on Theopin 400mg Tablet CR you should avoid foods rich in caffeine like tea, cocoa, coffee, and chocolate. These foods can increase side effects associated with Theopin 400mg Tablet CR. In addition to that, you should avoid alcohol and tobacco while on Theopin 400mg Tablet CR. Discuss with your doctor if you are not sure or have any concerns regarding food restriction.
How should Theopin 400mg Tablet CR be taken?
Take the medicine exactly as prescribed by your doctor. Usually, it is prescribed to be taken twice a day. Do not crush or chew the tablets. The capsules can be taken whole or opened and the contents mixed with soft food and swallowed without chewing.
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Disclaimer:
Tata 1mg's sole intention is to ensure that its consumers get information that is expert-reviewed, accurate and trustworthy. However, the information contained herein should NOT be used as a substitute for the advice of a qualified physician. The information provided here is for informational purposes only. This may not cover everything about particular health conditions, lab tests, medicines, all possible side effects, drug interactions, warnings, alerts, etc. Please consult your doctor and discuss all your queries related to any disease or medicine. We intend to support, not replace, the doctor-patient relationship.References
- Barnes PJ. Pulmonary Pharmacology. In: Brunton LL, Chabner BA, Knollmann BC, editors. Goodman & Gilman’s: The Pharmacological Basis of Therapeutics. 12th ed. New York, New York: McGraw-Hill Medical; 2011. pp. 1040-44.
- Boushey HA. Drugs Used in Asthma. In: Katzung BG, Masters SB, Trevor AJ, editors. Basic and Clinical Pharmacology. 11th ed. New Delhi, India: Tata McGraw Hill Education Private Limited; 2009. p. 345.
- Briggs GG, Freeman RK, editors. A Reference Guide to Fetal and Neonatal Risk: Drugs in Pregnancy and Lactation. 10th ed. Philadelphia, PA: Wolters Kluwer Health; 2015. pp. 1350-51.
- Chaves RG, Lamounier JA. Breastfeeding and maternal medications. J Pediatr (Rio J). 2004;80(5 Suppl):S189-S198. [Accessed 01 Apr. 2019] (online) Available from:
- Central Drugs Standard Control Organisation (CDSCO). [Accessed 01 Apr. 2019] (online) Available from:
- Theophylline [Prescribing Information]. Wilson, NC: Rhodes Pharmaceuticals; 2023. [Accessed 07 Aug. 2023]. (online) Available from:
Marketer details
Name: Mefro Pharmaceuticals Pvt Ltd
Address: F-67-68 Phase- VII, Industrial Area,Mohali -160055 Punjab, (India)
Country of origin: India
The list of available options shown with the same composition has been prepared upon the advice of registered medical practitioners, pharmacists affiliated with TATA 1MG. TATA 1MG does not promote any pharmaceutical product of any particular company, and all recommendations are based on the medical opinion, advisories from specialist medical and pharmaceutical professionals.
The list of available options shown with the same composition has been prepared upon the advice of registered medical practitioners, pharmacists affiliated with TATA 1MG. TATA 1MG does not promote any pharmaceutical product of any particular company, and all recommendations are based on the medical opinion, advisories from specialist medical and pharmaceutical professionals.
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