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

Summary:

Drug interactions are reported among people who take Allegra (fexofenadine hydrochloride) and Elder (elderberry). Common drug interactions include nausea among females and hallucination among males.

The phase IV clinical study analyzes what interactions people have when they take Allegra and Elder. It is created by eHealthMe based on reports of 20 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 Elder?

Elder has active ingredients of elderberry. eHealthMe is studying from 553 Elder users. Check the latest studies of Elder.

On Aug, 10, 2026

20 people who take Allegra and Elder together, and have interactions are studied.

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

female:

Nausea (feeling of having an urge to vomit)
Diarrhoea
Infusion site extravasation (flow of (blood or lymph) from infusion site)
Abnormal dreams
Anxiety
Depression
Epilepsy (common and diverse set of chronic neurological disorders characterized by seizures)
Hyperhidrosis (abnormally increased sweating)
Influenza
Weight decreased

male:

Hallucination (an experience involving the perception of something not present)
Increased appetite
Libido increased (increased sexual urge to have sex)
Pain
Pain in extremity
Pneumonia
Pruritus (severe itching of the skin)
Rash
Weight decreased

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

n/a

30-39:

Arthralgia (joint pain)
Fatigue (feeling of tiredness)
Infectious mononucleosis (infection usually caused by the epstein-barr virus)
Insomnia (sleeplessness)
Joint stiffness
Muscle spasms (muscle contraction)
Neuropathy peripheral (surface nerve damage)
Rheumatoid arthritis (a chronic progressive disease causing inflammation in the joints)
Splenomegaly (enlargement of spleen)
Stress

40-49:

n/a

50-59:

Blood pressure increased
Chest discomfort
Dizziness
Erythema (redness of the skin)
Infusion related reaction
Pain
Pain in extremity
Paraesthesia oral (sensation of tingling, tickling, prickling, pricking, or burning of a person's oral with no apparent long-term physical effect)
Rash

60+:

Cerebrovascular accident (sudden death of some brain cells due to lack of oxygen when the blood flow to the brain is impaired by blockage or rupture)
Constipation
Oral pain
Oropharyngeal pain
Rhinorrhoea (watery mucus discharge from the nose)
Sinus disorder (disease of sinus)
Swelling face
Swollen tongue (swelling of tongue)
Toothache (tooth pain)
Weight decreased

What are the existing conditions these people have? *

Immunodeficiency Common Variable: 4 people, 20.00%
Nausea (feeling of having an urge to vomit): 3 people, 15.00%
Hyperlipidaemia (presence of excess lipids in the blood): 3 people, 15.00%
Wheezing (a high-pitched whistling sound made while you breath): 2 people, 10.00%
Hypersensitivity: 2 people, 10.00%
Cataplexy (loss of muscle tone accompanied by full conscious awareness): 2 people, 10.00%
Primary Myelofibrosis (primary disorder of the bone marrow): 2 people, 10.00%
Drowsiness: 2 people, 10.00%
Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 2 people, 10.00%
Constipation: 1 person, 5.00%

* Approximation only. Some reports may have incomplete information.

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