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

Summary:

Drug interactions are reported among people who take Avelox (moxifloxacin hydrochloride) and Pyridium (phenazopyridine hydrochloride). Common drug interactions include blood pressure decreased among females and bone disorder among males.

The phase IV clinical study analyzes what interactions people have when they take Avelox and Pyridium. It is created by eHealthMe based on reports of 34 people who take the same drugs from the FDA, and is updated regularly.

What is Avelox?

Avelox has active ingredients of moxifloxacin hydrochloride. It is often used in sinusitis. eHealthMe is studying from 28,651 Avelox users. Check the latest studies of Avelox.

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, 08, 2026

34 people who take Avelox and Pyridium together, and have interactions are studied.

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

female:

Blood pressure decreased
Muscle spasms (muscle contraction)
Musculoskeletal chest pain (pain in chest muscle or nerve or bones)
Contusion (a type of hematoma of tissue in which capillaries)
Ear discomfort
Fall
Cerebral infarction (less blood supply to brain resulting tissue damage)
Comminuted fracture (bone has broken into several pieces)
Cystitis interstitial (unknown cause characterized by bladder pain)
Femur fracture

male:

Bone disorder
Chronic obstructive pulmonary disease (a progressive disease that makes it hard to breathe)
Osteoarthritis (a joint disease caused by cartilage loss in a joint)
Osteoporosis (bones weak and more likely to break)
Pain in extremity
Renal failure (kidney dysfunction)
Vomiting
Abdominal pain
Adverse reaction
Anaemia (lack of blood)

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

Activities of daily living impaired
Arthralgia (joint pain)
Cerebral infarction (less blood supply to brain resulting tissue damage)
Comminuted fracture (bone has broken into several pieces)
Cystitis interstitial (unknown cause characterized by bladder pain)
Fall
Femur fracture
Haemoglobin decreased
Mobility decreased (ability to move is reduced)
Nervous system disorder (a general class of medical conditions affecting the nervous system)

30-39:

Abdominal pain
Arthralgia (joint pain)
Asthma
Back pain
Bronchitis (inflammation of the mucous membrane in the bronchial tubes)
Chest discomfort
Chest pain
Cholecystitis (infection of gallbladder)
Cholelithiasis (the presence or formation of gallstones in the gallbladder or bile ducts)
Chronic obstructive pulmonary disease (a progressive disease that makes it hard to breathe)

40-49:

Blood cholesterol increased
Blood glucose decreased
Blood parathyroid hormone increased
Bone pain
Bursitis (inflammation of a bursa, typically one in the knee, elbow, or shoulder)
Chills (felling of cold)
Colitis (inflammation of colon)
Decreased appetite
Dehydration (dryness resulting from the removal of water)
Diarrhoea

50-59:

Drug hypersensitivity

60+:

Pain in extremity
Vomiting
Musculoskeletal chest pain (pain in chest muscle or nerve or bones)
Ear discomfort
Fall
Arthralgia (joint pain)
Renal failure (kidney dysfunction)
Bile duct stone
Cerebral infarction (less blood supply to brain resulting tissue damage)
Cervical vertebral fracture

What are the existing conditions these people have? *

Pain: 12 people, 35.29%
Osteoporosis (bones weak and more likely to break): 12 people, 35.29%
Nausea (feeling of having an urge to vomit): 11 people, 32.35%
Ulcerative Colitis (inflammatory bowel disease (ibd). it causes swelling, ulcerations, and loss of function of the large intestine): 10 people, 29.41%
Swelling: 10 people, 29.41%
Muscle Spasms (muscle contraction): 9 people, 26.47%
Insomnia (sleeplessness): 9 people, 26.47%
Haemorrhoids (a swollen vein or group of veins in the region of the anus): 9 people, 26.47%
Blood Disorder: 9 people, 26.47%
Asthma: 9 people, 26.47%

* Approximation only. Some reports may have incomplete information.

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