Theophylline

Is the active ingredient in this medication.

Asthma (longterm control)

Chronic obstructive pulmonary disease (COPD)

Bronchitis

Theotech 400mg Tablet Er (Theophylline) is a bronchodilator. It works by relaxing the muscles in the airways, making it easier to breathe.

Store theophylline at room temperature, away from moisture and heat. Keep it out of reach of children and pets.

The dosage of theophylline varies depending on the patient's age, weight, and medical condition.

It is typically taken by mouth, either as tablets, capsules, or liquid.

Follow your doctor's instructions carefully and do not change your dosage without talking to them.

Take theophylline with a full glass of water.

Do not crush or chew the tablets or capsules.

Nausea

Vomiting

Diarrhea

Headache

Dizziness

Insomnia

Increased heart rate

Seizures (in rare cases)

Alcohol Consumption

Avoid or limit alcohol consumption while taking theophylline as it can increase the risk of side effects.



While Driving or operating Machinery

Theophylline can cause dizziness, drowsiness, or blurred vision. Avoid driving or operating machinery until you know how this medication affects you.



Pregnant & Breastfeeding Women

Theophylline can pass into breast milk and may harm a nursing infant. It is not recommended for pregnant or breastfeeding women.



Children

Theophylline is not recommended for children under the age of 6 months. It is important to use theophylline only as directed by a healthcare professional for children.



Kidney

If you have kidney disease, talk to your doctor about whether theophylline is safe for you.



Liver

If you have liver disease, talk to your doctor about whether theophylline is safe for you.

National Institutes of Health: https://medlineplus.gov/druginfo/meds/a682008.html

Drugs.com: https://www.drugs.com/mtm/theophylline.html