Potassium phosphate and Flagyl drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Potassium phosphate (potassium) and Flagyl (metronidazole). Common drug interactions include pancytopenia among females and necrotising fasciitis among males.

The phase IV clinical study analyzes what interactions people have when they take Potassium phosphate and Flagyl. It is created by eHealthMe based on reports of 26 people who take the same drugs from the FDA, and is updated regularly.

What is Potassium phosphate?

Potassium phosphate has active ingredients of potassium. eHealthMe is studying from 578 Potassium phosphate users. Check the latest studies of Potassium phosphate.

What is Flagyl?

Flagyl has active ingredients of metronidazole. It is often used in vaginitis bacterial. eHealthMe is studying from 25,897 Flagyl users. Check the latest studies of Flagyl.

On Jul, 23, 2026

26 people who take Potassium phosphate and Flagyl together, and have interactions are studied.

Potassium phosphate and Flagyl drug interactions.

What are the common drug interactions of Potassium Phosphate and Flagyl, by gender? *:

female:

Pancytopenia (medical condition in which there is a reduction in the number of red and white blood cells, as well as platelets)
Septic shock (shock due to blood infection)
Pyrexia (fever)
Cardiac arrest
Pleural effusion (water on the lungs)
Haemorrhage intracranial (bleeding within the skull)
Acinetobacter infection (infection by group of bacteria commonly found in soil and water)
Aspergillosis (an infection caused by a fungus called aspergillus)
Cardiac failure
Corynebacterium infection (infection by corynebacterium (diphtheria))

male:

Necrotising fasciitis (an uncommon life-threatening soft-tissue infection)
Cellulitis (infection under the skin)
Tooth abscess (pus formation in tooth)
Genital abscess (build up of pus in genital)
Hyponatraemia (abnormally low level of sodium in the blood; associated with dehydration)
Pneumonia aspiration (bronchopneumonia that develops due to the entrance of foreign materials into the bronchial tree)
Scrotal abscess (pus in scrotum)
Sepsis (a severe blood infection that can lead to organ failure and death)
Tachycardia (a heart rate that exceeds the range of 100 beats/min)
Gas gangrene (bacterial infection that produces gas within tissues)

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

0-1:

Mitral valve incompetence (inefficient heart valve)
Multi-organ failure (multisystem organ failure)
Nervous system disorder (a general class of medical conditions affecting the nervous system)
Nuclear magnetic resonance imaging brain
Pancreatic pseudocyst (collection of tissue and fluids that forms on pancreas)
Pancreatitis necrotising (inflammation of the pancreas cause death of tissue in pancreas)
Pancytopenia (medical condition in which there is a reduction in the number of red and white blood cells, as well as platelets)
Pleural effusion (water on the lungs)
Renal impairment (severely reduced kidney function)
Respiratory failure (inadequate gas exchange by the respiratory system)

2-9:

Acinetobacter infection (infection by group of bacteria commonly found in soil and water)
Diarrhoea haemorrhagic (bloody diarrhoea)
Graft versus host disease (the donated bone marrow or stem cells view the recipient's body as foreign, and the donated cells/bone marrow attack the body)
Haematoma (collection of blood outside the blood vessels)
Pleural effusion (water on the lungs)
Pyrexia (fever)
Septic shock (shock due to blood infection)
Tooth abscess (pus formation in tooth)

10-19:

Cardiac arrest
Aspergillosis (an infection caused by a fungus called aspergillus)
Cardiac failure
Corynebacterium infection (infection by corynebacterium (diphtheria))
Device related infection
Hypokalaemia (low potassium)
Hypoxia (low oxygen in tissues)
Left ventricular dysfunction
Lower gastrointestinal haemorrhage (bleeding in the large intestine, rectum, or anus is called lower gi bleeding)
Neutrophil count decreased (less than normal number of neutrophil a type of blood cell)

20-29:

n/a

30-39:

n/a

40-49:

Necrotising fasciitis (an uncommon life-threatening soft-tissue infection)
Cellulitis (infection under the skin)
Gas gangrene (bacterial infection that produces gas within tissues)
Groin abscess (pus in groin)
Groin pain
Scrotal abscess (pus in scrotum)
Scrotal cyst (cyst of scrotum)
Scrotal pain
Scrotal swelling
Sepsis (a severe blood infection that can lead to organ failure and death)

50-59:

Cellulitis (infection under the skin)
Gas gangrene (bacterial infection that produces gas within tissues)
Groin abscess (pus in groin)
Groin pain
Necrotising fasciitis (an uncommon life-threatening soft-tissue infection)
Scrotal cyst (cyst of scrotum)
Scrotal pain
Scrotal swelling
Testicular pain (pain in testes)
Chronic kidney disease

60+:

Pancytopenia (medical condition in which there is a reduction in the number of red and white blood cells, as well as platelets)
Septic shock (shock due to blood infection)
Pneumonia aspiration (bronchopneumonia that develops due to the entrance of foreign materials into the bronchial tree)
Pulmonary fibrosis (formation or development of excess fibrous connective tissue (fibrosis) in the lungs)
Tachycardia (a heart rate that exceeds the range of 100 beats/min)
Thrombocytopenia (decrease of platelets in blood)
Haemorrhage intracranial (bleeding within the skull)
Neurotoxicity (when the exposure to natural or artificial toxic substances, which are called neurotoxins, alters the normal activity of the nervous system)
Post procedural haemorrhage (post procedural bleeding)
Abdominal sepsis (abdominal infection)

What are the existing conditions these people have? *

Pain: 10 people, 38.46%
High Blood Pressure: 10 people, 38.46%
Hypotension (abnormally low blood pressure): 7 people, 26.92%
Stress And Anxiety: 7 people, 26.92%
Constipation: 7 people, 26.92%
Diarrhea: 7 people, 26.92%
Type 2 Diabetes: 7 people, 26.92%
Diabetes: 6 people, 23.08%
Hypersensitivity: 5 people, 19.23%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 5 people, 19.23%

* Approximation only. Some reports may have incomplete information.

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