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

Summary:

Drug interactions are reported among people who take Mannose (d - mannose) and Allegra (fexofenadine hydrochloride). Common drug interactions include paraesthesia among females and abdominal discomfort among males.

The phase IV clinical study analyzes what interactions people have when they take Mannose and Allegra. 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 Mannose?

Mannose has active ingredients of d - mannose. eHealthMe is studying from 875 Mannose users. Check the latest studies of Mannose.

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.

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 Aug, 30, 2026

16 people who take Mannose and Allegra together, and have interactions are studied.

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

female:

Paraesthesia (sensation of tingling, tickling, prickling, pricking, or burning of a person's skin with no apparent long-term physical effect)
Pruritus (severe itching of the skin)
Syncope (loss of consciousness with an inability to maintain postural tone)
Anxiety
Asthma exercise induced
Blood immunoglobulin g increased
Cystitis (inflammation of the wall of the bladder)
Eye infection
Infusion related reaction
Ingrowing nail

male:

Abdominal discomfort
Drug intolerance (drug sensitivity)
Seizure (abnormal excessive or synchronous neuronal activity in the brain)
Urinary tract infection

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

Blood pressure increased
Dyspnoea (difficult or laboured respiration)
Throat tightness

30-39:

Dizziness
Hypersensitivity
Rash
Syncope (loss of consciousness with an inability to maintain postural tone)

40-49:

Clavicle fracture
Fall

50-59:

n/a

60+:

Cystitis (inflammation of the wall of the bladder)
Diarrhoea
Vision blurred
Eye infection
Neuropathy peripheral (surface nerve damage)
Skin cancer
Agitation (state of anxiety or nervous excitement)
Anxiety
Ear disorder
Nasal disorder (diseases of nose)

What are the existing conditions these people have? *

Autonomic Neuropathy (malfunction of the autonomic nervous system (ans)): 3 people, 18.75%
Immunodeficiency Common Variable: 2 people, 12.50%
Asthma: 2 people, 12.50%
Pulmonary Embolism (blockage of the main artery of the lung): 1 person, 6.25%
Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 1 person, 6.25%
Lennox-Gastaut Syndrome (epilepsy characterized by frequent seizures and different seizure types): 1 person, 6.25%
Depression: 1 person, 6.25%

* Approximation only. Some reports may have incomplete information.

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