Theophyl and Regular insulin drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Theophyl (theophylline) and Regular insulin (insulin pork). Common drug interactions include venous thrombosis deep limb among females and weight increased among males.

The phase IV clinical study analyzes what interactions people have when they take Theophyl and Regular insulin. It is created by eHealthMe based on reports of 16 people who take the same drugs from the FDA, and is updated regularly.

What is Theophyl?

Theophyl has active ingredients of theophylline. eHealthMe is studying from 19,174 Theophyl users. Check the latest studies of Theophyl.

What is Regular insulin?

Regular insulin has active ingredients of insulin pork. It is often used in type 1 diabetes. eHealthMe is studying from 2,848 Regular insulin users. Check the latest studies of Regular insulin.

On Jul, 27, 2026

16 people who take Theophyl and Regular insulin together, and have interactions are studied.

Theophyl and Regular insulin drug interactions.

What are the common drug interactions of Theophyl and Regular Insulin, by gender? *:

female:

Venous thrombosis deep limb (blood clot that forms in a vein deep in the limb)
Cough
Dyspnoea (difficult or laboured respiration)
Haematocrit decreased
Haemoglobin decreased
Oedema lower limb (fluid collection in tissue of lower leg)
Pulmonary congestion (congestion in the lungs)
Red cell aplasia (a type of anaemia affecting the precursors to red blood cells)
Thrombocytopenia (decrease of platelets in blood)

male:

Weight increased
Oedema lower limb (fluid collection in tissue of lower leg)
Anorexia (eating disorder characterized by immoderate food restriction and irrational fear of gaining weight)
Chest pain
Cholelithiasis (the presence or formation of gallstones in the gallbladder or bile ducts)
Constipation
Dyspnoea (difficult or laboured respiration)
Fatigue (feeling of tiredness)
Fluid retention (an abnormal accumulation of fluid in the blood)
Foot ulcer

What are the common drug interactions of Theophyl and Regular Insulin, by age (0-1 to 60+)? *:

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

n/a

30-39:

n/a

40-49:

Arrhythmia (irregular heartbeat)
Blood creatinine increased
Blood pressure decreased
Blood urea increased
Cardiac failure congestive
Fluid retention (an abnormal accumulation of fluid in the blood)
Haematocrit decreased
Haemoglobin decreased
Oedema lower limb (fluid collection in tissue of lower leg)
Red cell aplasia (a type of anaemia affecting the precursors to red blood cells)

50-59:

Supraventricular tachycardia (rapid heart rhythm originating at or above the atrioventricular node)
Tachycardia (a heart rate that exceeds the range of 100 beats/min)
Urine discolouration
Weight increased
Anaemia (lack of blood)
Headache (pain in head)
Mucosal inflammation (infection of mucous membrane)
Respiratory distress (difficulty in breathing)
Sepsis (a severe blood infection that can lead to organ failure and death)
Thrombocytopenia (decrease of platelets in blood)

60+:

Thrombocytopenia (decrease of platelets in blood)
Abdominal distension
Hypokalaemia (low potassium)
Oedema lower limb (fluid collection in tissue of lower leg)
Osteomyelitis (infection of bone)
Pain
Skin amp subcutaneous tissue abscess (infection of the skin and subcutaneous tissue)
Ventricular tachycardia (rapid heartbeat that originates in one of the lower chambers (the ventricles) of the heart)
Weakness
Weight increased

What are the existing conditions these people have? *

Sleep Disorder: 2 people, 12.50%
Restless Leg Syndrome (a powerful urge to move your legs): 2 people, 12.50%
Respiratory Disorder (respiratory disease): 2 people, 12.50%
Gastric Disorder (disease of stomach): 2 people, 12.50%
Fluid Retention (an abnormal accumulation of fluid in the blood): 2 people, 12.50%
Diabetes: 2 people, 12.50%
Depression: 2 people, 12.50%
Constipation: 2 people, 12.50%
Chronic Obstructive Pulmonary Disease (a progressive disease that makes it hard to breathe): 2 people, 12.50%
Bladder Disorder: 2 people, 12.50%

* Approximation only. Some reports may have incomplete information.

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