Pyridium and Medrol drug interactions - a phase IV clinical study of FDA data
Summary:
Drug interactions are reported among people who take Pyridium (phenazopyridine hydrochloride) and Medrol (methylprednisolone). Common drug interactions include abscess limb among females and chest pain among males.
The phase IV clinical study analyzes what interactions people have when they take Pyridium and Medrol. It is created by eHealthMe based on reports of 29 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 Medrol?
Medrol has active ingredients of methylprednisolone. It is often used in rheumatoid arthritis. eHealthMe is studying from 24,443 Medrol users. Check the latest studies of Medrol.
29 people who take Pyridium and Medrol together, and have interactions are studied.

What are the common drug interactions of Pyridium and Medrol, by gender? *:
female:
- Abscess limb (limb infection)
- Acute respiratory failure
- Bacterial test positive
- Candida pneumonia (infection of lung by candida)
- Cardiac disorder
- Deep vein thrombosis (blood clot in a major vein that usually develops in the legs and/or pelvis)
- Depression
- Dyspnoea (difficult or laboured respiration)
- Encephalopathy (functioning of the brain is affected by some agent or condition)
- Eructation (release of gas from the digestive tract)
male:
- Chest pain
- Chronic kidney disease
- Depression
- Multiple fractures
- Neoplasm malignant (cancer tumour)
- Osteoarthritis (a joint disease caused by cartilage loss in a joint)
- Osteoporosis (bones weak and more likely to break)
- Prostate cancer
- Vitamin d deficiency
- Adverse reaction
What are the common drug interactions of Pyridium and Medrol, 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:
- Chronic kidney disease
- Dyspepsia (indigestion)
- Gastritis (inflammation of stomach)
- Renal failure (kidney dysfunction)
40-49:
- Tenderness (pain or discomfort when an affected area is touched)
- Tinnitus (a ringing in the ears)
- Tooth fracture
- Pain
- Emotional distress
- Injury
- Anhedonia (inability to experience pleasure from activities usually found enjoyable)
- Anxiety
- Arthralgia (joint pain)
- Blood creatinine increased
50-59:
- Clavicle fracture
- Foot fracture
- Osteopenia (a condition where bone mineral density is lower than normal)
- Osteoporosis (bones weak and more likely to break)
- Chronic kidney disease
- Hand fracture
- Renal failure (kidney dysfunction)
60+:
- Fall
- Pain in extremity
- Haemoglobin decreased
- Hysterectomy
- Post procedural haemorrhage (post procedural bleeding)
- Ankle fracture
- Arthritis (form of joint disorder that involves inflammation of one or more joints)
- Bone disorder
- Cervical vertebral fracture
- Chronic obstructive pulmonary disease (a progressive disease that makes it hard to breathe)
What are the existing conditions these people have? *
- Pain: 11 people, 37.93%
- Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 6 people, 20.69%
- Osteoporosis (bones weak and more likely to break): 5 people, 17.24%
- Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 4 people, 13.79%
- Infection: 4 people, 13.79%
- Indigestion: 4 people, 13.79%
- Hiv Infection: 3 people, 10.34%
- Nausea (feeling of having an urge to vomit): 3 people, 10.34%
- High Blood Pressure: 3 people, 10.34%
- Depression: 3 people, 10.34%
* Approximation only. Some reports may have incomplete information.
Do you take Pyridium and Medrol?
- Personalize this study to your gender, age, symptoms and drugs
- Predict drug outcomes for up to one year with AI
- Get an AI agent to monitor your drugs continuously
Related studies:
Effectiveness of, side effects of, and alternative drugs to the 2 drugs:
Browse all drug interactions of Pyridium and Medrol:
a b c d e f g h i j k l m n o p q r s t u v w x y zSub-studies by gender and age:
Female: 0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+
Male: 0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+
Browse all side effects of Pyridium:
a b c d e f g h i j k l m n o p q r s t u v w x y zBrowse all side effects of Medrol:
a b c d e f g h i j k l m n o p q r s t u v w x y zBrowse all interactions between Pyridium and drugs from A to Z:
a b c d e f g h i j k l m n o p q r s t u v w x y zBrowse all interactions between Medrol and drugs from A to Z:
a b c d e f g h i j k l m n o p q r s t u v w x y zHow the study uses the data?
The study uses data from the FDA. It is based on phenazopyridine hydrochloride and methylprednisolone (the active ingredients of Pyridium and Medrol, respectively), and Pyridium and Medrol (the brand names). Other drugs that have the same active ingredients (e.g. generic drugs) are not considered. Dosage of drugs is not considered in the study.
How to use the study?
DO NOT STOP MEDICATIONS without first consulting your doctor. If there are any serious or long term adverse effects discovered in the study, discuss the study with your doctor to ensure that proper medication management will be in place if applicable.
Who is eHealthMe?
With medical big data and proven AI/ML algorithms, eHealthMe provides a platform for everyone to run phase IV clinical trials. We study millions of patients and 5,000 more each day. Results of our real-world drug study have been referenced on 800+ peer-reviewed medical publications, including The Lancet, Mayo Clinic Proceedings, and Nature. Our analysis results are available to researchers, health care professionals, patients (testimonials), and software developers (open API).
WARNING, DISCLAIMER, USE FOR PUBLICATION
WARNING: Please DO NOT STOP MEDICATIONS without first consulting a physician since doing so could be hazardous to your health.
DISCLAIMER: All material available on eHealthMe.com is for informational purposes only, and is not a substitute for medical advice, diagnosis, or treatment provided by a qualified healthcare provider. All information is observation-only. Our phase IV clinical studies alone cannot establish cause-effect relationship. Different individuals may respond to medication in different ways. Every effort has been made to ensure that all information is accurate, up-to-date, and complete, but no guarantee is made to that effect. The use of the eHealthMe site and its content is at your own risk.
If you use this eHealthMe study on publication, please acknowledge it with a citation: study title, URL, accessed date.
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