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

Summary:

Drug interactions are reported among people who take Pyridium (phenazopyridine hydrochloride) and Cefdinir (cefdinir). Common drug interactions include anxiety among females and chronic kidney disease among males.

The phase IV clinical study analyzes what interactions people have when they take Pyridium and Cefdinir. It is created by eHealthMe based on reports of 19 people who take the same drugs from the FDA, and is updated regularly.

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.

What is Cefdinir?

Cefdinir has active ingredients of cefdinir. It is often used in sinusitis. eHealthMe is studying from 9,210 Cefdinir users. Check the latest studies of Cefdinir.

On Jul, 26, 2026

19 people who take Pyridium and Cefdinir together, and have interactions are studied.

Pyridium and Cefdinir drug interactions.

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

female:

Anxiety
Chronic left ventricular failure (long lasting functional impairment of left ventricle of heart)
Fatigue (feeling of tiredness)
Oedema peripheral (superficial swelling)
Pain
Renal disorder (kidney disease)
Renal failure (kidney dysfunction)
Renal injury (kidney injury)
Abdominal pain upper
Anaphylactic reaction (serious allergic reaction)

male:

Chronic kidney disease
Hyperparathyroidism secondary (an abnormally high concentration of parathyroid hormone in the blood, resulting in weakening of the bones through loss of calcium-secondary)
Nephrogenic anaemia (anaemia due to kidney disease)
Renal failure (kidney dysfunction)
Gastrooesophageal reflux disease (stomach contents (food or liquid) leak backwards from the stomach into the oesophagus)
Hospitalisation

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

0-1:

n/a

2-9:

n/a

10-19:

Death

20-29:

n/a

30-39:

n/a

40-49:

n/a

50-59:

Alopecia (absence of hair from areas of the body)
Hair colour changes
Headache (pain in head)
Pancreatic cyst
Sepsis (a severe blood infection that can lead to organ failure and death)
Temporomandibular joint syndrome (pain at the temporomandibular joint due to various causes of increased muscle tension and spasm. it is believed that syndrome is a physical manifestation of psychological stress)

60+:

Chronic kidney disease
Renal failure (kidney dysfunction)
Arthralgia (joint pain)
Back pain
Basal cell carcinoma (a skin cancer, it rarely metastasizes or kills)
Blister (small pocket of fluid within the upper layers of the skin caused by forceful rubbing (friction), burning, freezing, chemical exposure)
Chest pain
Chills (felling of cold)
Cough
Cyst (a closed sac)

What are the existing conditions these people have? *

Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 6 people, 31.58%
Pain: 5 people, 26.32%
High Blood Pressure: 4 people, 21.05%
Indigestion: 4 people, 21.05%
Infection: 4 people, 21.05%
Chondrocalcinosis (crystal deposition disease): 3 people, 15.79%
Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 3 people, 15.79%
High Blood Cholesterol: 2 people, 10.53%
Oedema (fluid collection in tissue): 2 people, 10.53%
Nausea (feeling of having an urge to vomit): 2 people, 10.53%

* Approximation only. Some reports may have incomplete information.

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