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

Summary:

Drug interactions are reported among people who take Allegra (fexofenadine hydrochloride) and Maxitrol (dexamethasone; neomycin sulfate; polymyxin b sulfate). Common drug interactions include depression among females and chronic kidney disease among males.

The phase IV clinical study analyzes what interactions people have when they take Allegra and Maxitrol. It is created by eHealthMe based on reports of 13 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 75,498 Allegra users. Check the latest studies of Allegra.

What is Maxitrol?

Maxitrol has active ingredients of dexamethasone; neomycin sulfate; polymyxin b sulfate. eHealthMe is studying from 986 Maxitrol users. Check the latest studies of Maxitrol.

eHealthMe: drug outcomes in the real world

eHealthMe runs one of the largest post-marketing drug safety studies in the world. We study millions of patients and 5,000 more each day. Our data-driven phase IV clinical trials have been referenced on 800+ peer-reviewed medical publications including The Lancet, Mayo Clinic Proceedings, and Nature. Tools to study our phase IV findings are available to the public, anonymous and free >>>.

On Sep, 02, 2026

13 people who take Allegra and Maxitrol together, and have interactions are studied.

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

female:

Depression
Drug abuse
Drug hypersensitivity
Oral surgery
Suicidal ideation
Anaphylactic reaction (serious allergic reaction)
Arthralgia (joint pain)
Drug ineffective
Drug intolerance (drug sensitivity)
Malaise (a feeling of general discomfort or uneasiness)

male:

Chronic kidney disease
Coronary artery disease (plaque building up along the inner walls of the arteries of the heart, which narrows the arteries and restricts blood flow to the heart)
Hyperparathyroidism secondary (an abnormally high concentration of parathyroid hormone in the blood, resulting in weakening of the bones through loss of calcium-secondary)
Hypertension (high blood pressure)
Myocardial infarction (destruction of heart tissue resulting from obstruction of the blood supply to the heart muscle)
Renal failure (kidney dysfunction)

What are the common drug interactions of Allegra and Maxitrol, 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:

Skin exfoliation (removal of the oldest dead skin cells)
Urticaria (rash of round, red welts on the skin that itch intensely)
Anaphylactic reaction (serious allergic reaction)
Arthralgia (joint pain)

50-59:

n/a

60+:

Syncope (loss of consciousness with an inability to maintain postural tone)
Diarrhoea
Chronic kidney disease
Coronary artery disease (plaque building up along the inner walls of the arteries of the heart, which narrows the arteries and restricts blood flow to the heart)
Hyperparathyroidism secondary (an abnormally high concentration of parathyroid hormone in the blood, resulting in weakening of the bones through loss of calcium-secondary)
Hypertension (high blood pressure)
Myocardial infarction (destruction of heart tissue resulting from obstruction of the blood supply to the heart muscle)
Renal failure (kidney dysfunction)

What are the existing conditions these people have? *

Indigestion: 3 people, 23.08%
High Blood Pressure: 3 people, 23.08%
Multiple Myeloma (cancer of the plasma cells): 3 people, 23.08%
Itching: 2 people, 15.38%
Ascites (accumulation of fluid in the abdominal cavity): 2 people, 15.38%
Diabetes: 2 people, 15.38%
Diarrhea: 2 people, 15.38%
Eye Allergy: 2 people, 15.38%
Headache (pain in head): 2 people, 15.38%
Hepatic Neoplasm Malignant (liver cancer): 2 people, 15.38%

* Approximation only. Some reports may have incomplete information.

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