Azelastine and Pyridium drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Azelastine (azelastine hydrochloride) and Pyridium (phenazopyridine hydrochloride). Common drug interactions include blood glucose increased among females.

The phase IV clinical study analyzes what interactions people have when they take Azelastine and Pyridium. It is created by eHealthMe based on reports of 14 people who take the same drugs from the FDA, and is updated regularly.

What is Azelastine?

Azelastine has active ingredients of azelastine hydrochloride. It is often used in allergies. eHealthMe is studying from 17,399 Azelastine users. Check the latest studies of Azelastine.

What is Pyridium?

Pyridium has active ingredients of phenazopyridine hydrochloride. It is often used in urinary tract infection. eHealthMe is studying from 1,841 Pyridium users. Check the latest studies of Pyridium.

On Jul, 06, 2026

14 people who take Azelastine and Pyridium together, and have interactions are studied.

Azelastine and Pyridium drug interactions.

What are the common drug interactions of Azelastine and Pyridium, by gender? *:

female:

Blood glucose increased
Cerebral disorder (brain disease)
Staphylococcal infection (an infection with staphylococcus bacteria)
Weight increased
Chronic kidney disease
Tubulointerstitial nephritis (a form of nephritis affecting the interstitium of the kidneys surrounding the tubules)
Migraine (headache)
Nephrogenic anaemia (anaemia due to kidney disease)
Sinusitis (inflammation of sinus)
Chest pain

male:

n/a

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

n/a

30-39:

Blood glucose increased
Cerebral disorder (brain disease)
Dehydration (dryness resulting from the removal of water)
Impaired gastric emptying
Infusion site erythema (reddening of the skin at infusion site)
Infusion site pruritus (severe itching at infusion site)
Infusion site swelling
Kidney infection
Sinusitis bacterial (bacterial infection of sinus)
Staphylococcal infection (an infection with staphylococcus bacteria)

40-49:

Cystitis interstitial (unknown cause characterized by bladder pain)
Hysterectomy
Irritable bowel syndrome
Therapeutic response unexpected

50-59:

Dizziness
Dysgeusia (disorder of the sense of taste)
Dyspnoea exertional (breathlessness or shortness of breath)
Exercise tolerance decreased
Fall
Fatigue (feeling of tiredness)
Headache (pain in head)
Hypotension (abnormally low blood pressure)
Joint swelling
Loss of consciousness

60+:

Concussion (short loss of normal brain function in response to a head injury)
Head injury
Nausea (feeling of having an urge to vomit)

What are the existing conditions these people have? *

Immunodeficiency Common Variable: 5 people, 35.71%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 3 people, 21.43%
Multiple Allergies (allergy to multiple agents): 3 people, 21.43%
Pulmonary Hypertension (increase in blood pressure in the lung artery): 2 people, 14.29%
Blood Pressure Abnormal: 2 people, 14.29%
Chronic Fatigue Syndrome (disorder that causes extreme fatigue): 2 people, 14.29%
Chronic Obstructive Pulmonary Disease (a progressive disease that makes it hard to breathe): 2 people, 14.29%
Constipation: 2 people, 14.29%
Depression: 2 people, 14.29%
Diabetes: 2 people, 14.29%

* Approximation only. Some reports may have incomplete information.

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