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

Summary:

Drug interactions are reported among people who take Crestor (rosuvastatin calcium) and Pyridium (phenazopyridine hydrochloride). Common drug interactions include muscular weakness among females and anaemia among males.

The phase IV clinical study analyzes what interactions people have when they take Crestor and Pyridium. It is created by eHealthMe based on reports of 86 people who take the same drugs from the FDA, and is updated regularly.

What is Crestor?

Crestor has active ingredients of rosuvastatin calcium. It is often used in high blood cholesterol. eHealthMe is studying from 149,761 Crestor users. Check the latest studies of Crestor.

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, 11, 2026

86 people who take Crestor and Pyridium together, and have interactions are studied.

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

female:

Muscular weakness (muscle weakness)
Orthostatic hypotension (a medical condition consisting of a sudden decrease in blood pressure when a person stands up)
Pain
Renal disorder (kidney disease)
Seizure (abnormal excessive or synchronous neuronal activity in the brain)
Abdominal discomfort
Adverse drug reaction
Drug ineffective
Dyspnoea (difficult or laboured respiration)
Malaise (a feeling of general discomfort or uneasiness)

male:

Anaemia (lack of blood)
Bladder disorder
Gastrointestinal haemorrhage (bleeding gastrointestinal tract)
Gastrooesophageal reflux disease (stomach contents (food or liquid) leak backwards from the stomach into the oesophagus)
Headache (pain in head)
Hyperparathyroidism secondary (an abnormally high concentration of parathyroid hormone in the blood, resulting in weakening of the bones through loss of calcium-secondary)
Nausea (feeling of having an urge to vomit)
Nephrogenic anaemia (anaemia due to kidney disease)
Renal failure (kidney dysfunction)
Bladder transitional cell carcinoma recurrent (types of bladder cancer-recurrent)

What are the common drug interactions of Crestor 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:

n/a

40-49:

n/a

50-59:

Migraine (headache)
Mood swings (an extreme or rapid change in mood)
Sinus disorder (disease of sinus)
Sinusitis (inflammation of sinus)
Systemic lupus erythematosus (an autoimmune disease, which means the body's immune system mistakenly, attacks healthy tissue)
Vomiting
Pneumonia
Bronchitis chronic (inflammation of the mucous membrane in the bronchial tubes- chronic)
Extrasystoles
Fall

60+:

Chronic kidney disease
Gastrooesophageal reflux disease (stomach contents (food or liquid) leak backwards from the stomach into the oesophagus)
Nausea (feeling of having an urge to vomit)
Anaemia (lack of blood)
Gastrointestinal haemorrhage (bleeding gastrointestinal tract)
Arthritis (form of joint disorder that involves inflammation of one or more joints)
Bone pain
Burning sensation
Drug hypersensitivity
Dyspepsia (indigestion)

What are the existing conditions these people have? *

Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 26 people, 30.23%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 20 people, 23.26%
Pain: 14 people, 16.28%
High Blood Pressure: 14 people, 16.28%
Cataplexy (loss of muscle tone accompanied by full conscious awareness): 13 people, 15.12%
Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 12 people, 13.95%
Stress And Anxiety: 8 people, 9.30%
Type 2 Diabetes: 6 people, 6.98%
Hyperlipidaemia (presence of excess lipids in the blood): 6 people, 6.98%
Fibromyalgia (a long-term condition which causes pain all over the body): 6 people, 6.98%

* Approximation only. Some reports may have incomplete information.

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