Common Nausea, Diarrhoea, Vomiting, Skin rash, Flu-like symptoms, Headache, Drowsiness, Dizziness.

Common Nausea, Vomiting, Headache, Abdominal upset, Restlessness.

Expert advice for Theostan Capsule CR
It is better to take Theostan in the evening around 7-8 pm for protection against asthma symptoms throughout the night. Theostan will not work for sudden wheezing or asthma attacks once they start. Always keep a fast-acting (rescue) inhaler with you. Not as effective as steroid inhalers for asthma. Do not discontinue use without consulting your doctor even if you feel better. Notify your doctor if you have ever been diagnosed with the kidney, liver or heart disease, or have a smoking history. Your dose may need to be adjusted. Taking Theostan can reduce the requirement of steroids by 50%.

Q. Is Theostan a phosphodiesterase inhibitor?
Yes, Theostan is a phosphodiesterase enzyme inhibitor. It mainly inhibits phosphodiesterase III and to a lesser extent phosphodiesterase IV enzymes. It works by relaxing the muscles in the walls of the airways which opens the airways and makes breathing easier.

Q. Is Theostan available?
Theostan is available for use in the treatment of diseases like asthma and chronic obstructive pulmonary disease (COPD). However, it is a prescription drug and should be used as advised by your doctor.

Q. Is Theostan dangerous?
Theostan is a relatively safe drug if used as advised by your doctor. It is not devoid of side effects, especially if an overdose has been taken. An overdose can cause stomach pains and make you feel sick. It can cause fast or irregular heartbeat, make you feel very restless or cause fits. It should always be taken as advised by the doctor.

Q. Is Theostan a steroid?
No, Theostan is not a steroid. It belongs to the class of drugs called methylxanthines and dilate the airway.

Q. Is Theostan an antibiotic?
Theostan is not an antibiotic. It belongs to the class of drugs called methylxanthines and dilate the airway.

Q. Is Theostan a controlled drug?
Theostan is not a controlled drug. However, it is a prescription drug and is available only when prescribed by your doctor.

Q. Is Theostan being discontinued?
Theostan is not being discontinued. It is available in the market for the treatment of the chronic obstructive pulmonary disorder (COPD) and asthma when prescribed by a doctor.

Q. Is Theostan a stimulant?
Theostan has stimulant effects on the central nervous system (can cause nervousness, excitation, agitation, insomnia, tremors, and, seizures or fits) and on the heart muscle (tachycardia, palpitations, arrhythmia) in very high doses. Talk to your doctor if have these problems as it could be due to an overdose.

Q. Does Theostan raise blood pressure?
Theostan is not known to increase the blood pressure. However, if you experience any changes in your blood pressure while taking Theostan, consult your doctor.

Q. Does Theostan cause tachycardia (increased heart rate)?
Tachycardia (increase in heart rate) is a side effect associated with the use of Theostan in high doses. Consult your doctor if you experience any changes in your heart rate while using the drug.

Q. Does Theostan cause weight loss or weight gain?
Theostan use is not associated with weight loss or weight gain. However, consult your doctor if you notice any changes in weight while taking the drug as it could be due to other underlying conditions.

Q. Does Theostan cause insomnia (inability to sleep)?
Theostan use may cause insomnia. If you experience any sleep disturbances while using the drug, consult your doctor.

Q. Does Theostan cause constipation?
Theostan is not known to cause constipation. However, its use has been associated with diarrhea. Consult your doctor if you experience any change in your bowel habits.

Q. Does Theostan need to be tapered?
Theostan dose need not be tapered. Therapy can be ended without tapering the drug. Consult your doctor for the appropriate dose, timings, and duration of the medicine.

Q. Does Theostan cause hair loss?
Theostan use is not associated with hair loss. However, if you experience any such symptom while using the drug, consult your doctor.