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

Summary:

Drug interactions are reported among people who take Flagyl (metronidazole) and Anastrozole (anastrozole). Common drug interactions include arthralgia among females.

The phase IV clinical study analyzes what interactions people have when they take Flagyl and Anastrozole. It is created by eHealthMe based on reports of 27 people who take the same drugs from the FDA, and is updated regularly.

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.

What is Anastrozole?

Anastrozole has active ingredients of anastrozole. It is often used in breast cancer. eHealthMe is studying from 21,892 Anastrozole users. Check the latest studies of Anastrozole.

On Jul, 17, 2026

27 people who take Flagyl and Anastrozole together, and have interactions are studied.

Flagyl and Anastrozole drug interactions.

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

female:

Arthralgia (joint pain)
Dyspnoea (difficult or laboured respiration)
Colitis (inflammation of colon)
Insomnia (sleeplessness)
Abdominal pain
Benign neoplasm of thyroid gland (benign (non-cancerous) tumours of the thyroid gland)
Bone disorder
Chest pain
Colon neoplasm (cancer from uncontrolled cell growth in the colon or rectum)
Decreased interest

male:

n/a

What are the common drug interactions of Flagyl and Anastrozole, 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:

Defaecation urgency (a sudden compelling urge to defecate)
Depression
Dysfunctional uterine bleeding
Dyspnoea (difficult or laboured respiration)
Emotional distress
Facial pain
Febrile neutropenia (fever with reduced white blood cells)
Fistula (an abnormal connection or passageway between two)
Gastrointestinal obstruction
General physical health deterioration (weak health status)

50-59:

Pneumothorax (the presence of air or gas in the cavity between the lungs and the chest wall, causing collapse of the lung)

60+:

Anaemia (lack of blood)
Arthralgia (joint pain)
Colitis (inflammation of colon)
Agranulocytosis (a deficiency of granulocytes in the blood, causing increased vulnerability to infection)
Anogenital warts
Arrhythmia supraventricular (irregular heartbeat supraventricular origin)
Arteriosclerosis (thickening and hardening of arteries)
Arthritis (form of joint disorder that involves inflammation of one or more joints)
Arthropathy
Back pain

What are the existing conditions these people have? *

Metastases To Bone (cancer spreads to bone): 14 people, 51.85%
Chronic Lymphocytic Leukaemia (cancer in which the bone marrow makes too many lymphocytes (a type of white blood cell)): 5 people, 18.52%
Coronary Heart Disease (narrowing or blockage of the coronary arteries): 3 people, 11.11%
Breast Cancer Female: 2 people, 7.41%

* Approximation only. Some reports may have incomplete information.

Do you take Flagyl and Anastrozole?

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