Allegra and Rezulin drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Allegra (fexofenadine hydrochloride) and Rezulin (troglitazone). Common drug interactions include urticaria among females and weight increased among males.

The phase IV clinical study analyzes what interactions people have when they take Allegra and Rezulin. It is created by eHealthMe based on reports of 51 people who take the same drugs from the FDA, and is updated regularly.

What is Allegra?

Allegra has active ingredients of fexofenadine hydrochloride. It is often used in allergies. eHealthMe is studying from 75,497 Allegra users. Check the latest studies of Allegra.

What is Rezulin?

Rezulin has active ingredients of troglitazone. eHealthMe is studying from 8,764 Rezulin users. Check the latest studies of Rezulin.

On Jul, 07, 2026

51 people who take Allegra and Rezulin together, and have interactions are studied.

What are the common drug interactions of Allegra and Rezulin, by gender? *:

female:

Urticaria (rash of round, red welts on the skin that itch intensely)
Cellulitis (infection under the skin)
Diabetes mellitus (diabetes, caused by a deficiency of the pancreatic hormone insulin)
Haematocrit
Headache (pain in head)
Hepatitis a antibody positive
Hepatotoxicity (chemical-driven liver damage)
High density lipoprotein
Low density lipoprotein
Sinus tachycardia (a heart rhythm with elevated rate of impulses originating from the sinoatrial node)

male:

Weight increased
Jaundice (a yellowish pigmentation of the skin, the conjunctival membranes)
Cardiac failure congestive
Cellulitis (infection under the skin)
Diarrhoea
Foot ulcer
Hepatic cirrhosis (chronic liver disease characterized by replacement of liver tissue by fibrosis, scar tissue)
Hypokalaemia (low potassium)
Injury
Oedema lower limb (fluid collection in tissue of lower leg)

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

n/a

30-39:

Alanine aminotransferase increased
Aspartate aminotransferase increased
Glossodynia (a burning or painful sensation in the tongue)
Pain
Tongue discolouration (colour change of tongue)
Tongue disorder (disease of tongue)
Tongue oedema (swelling of tongue)

40-49:

Cardiomegaly (increased size of heart than normal)
Cellulitis (infection under the skin)
Hypoglycaemia (deficiency of glucose in the bloodstream)
Thinking abnormal
Abdominal pain
Blood creatine phosphokinase increased
Blood pressure increased
Breast lump (localized swelling that feels different from the surrounding breast tissue)
Bronchitis (inflammation of the mucous membrane in the bronchial tubes)
Bundle branch block left (absence of transmission of electric impulses from the atrioventricular (av) bundle of his to the left ventricle)

50-59:

Abdominal adhesions (inflammation of abdomen)
Alanine aminotransferase increased
Anhedonia (inability to experience pleasure from activities usually found enjoyable)
Arrhythmia (irregular heartbeat)
Aspartate aminotransferase increased
Biliary colic
Blood creatine phosphokinase increased
Blood creatinine increased
Blood glucose increased
Blood lactate dehydrogenase increased

60+:

Jaundice (a yellowish pigmentation of the skin, the conjunctival membranes)
Weight increased
Pain
Abdominal pain
Anxiety
Ascites (accumulation of fluid in the abdominal cavity)
Cellulitis (infection under the skin)
Chest pain
Diabetes mellitus (diabetes, caused by a deficiency of the pancreatic hormone insulin)
Diarrhoea

What are the existing conditions these people have? *

Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 4 people, 7.84%

* Approximation only. Some reports may have incomplete information.

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