Flutamide and Doxycycline drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Flutamide (flutamide) and Doxycycline (doxycycline hyclate). Common drug interactions include adrenal neoplasm among females and skin hyperpigmentation among males.

The phase IV clinical study analyzes what interactions people have when they take Flutamide and Doxycycline. It is created by eHealthMe based on reports of 12 people who take the same drugs from the FDA, and is updated regularly.

What is Flutamide?

Flutamide has active ingredients of flutamide. eHealthMe is studying from 1,754 Flutamide users. Check the latest studies of Flutamide.

What is Doxycycline?

Doxycycline has active ingredients of doxycycline hyclate. It is often used in acne. eHealthMe is studying from 60,868 Doxycycline users. Check the latest studies of Doxycycline.

eHealthMe: drug outcomes in the real world

eHealthMe runs one of the largest post-marketing drug safety studies in the world. We study millions of patients and 5,000 more each day. Our data-driven phase IV clinical trials have been referenced on 800+ peer-reviewed medical publications including The Lancet, Mayo Clinic Proceedings, and Nature. Tools to study our phase IV findings are available to the public, anonymous and free >>>.

On Aug, 29, 2026

12 people who take Flutamide and Doxycycline together, and have interactions are studied.

Flutamide and Doxycycline drug interactions.

What are the common drug interactions of Flutamide and Doxycycline, by gender? *:

female:

Adrenal neoplasm (abnormal growth of adrenal gland)
Anaemia (lack of blood)
Ankle fracture
Anxiety
Arthralgia (joint pain)
Asthenia (weakness)
Atrial fibrillation (fibrillation of the muscles of the atria of the heart)
Bone disorder
Bone neoplasm (tumour of bone)
Deafness

male:

Skin hyperpigmentation (disorders affect the colour of your skin)
Anaemia (lack of blood)
Dyschezia (difficulty in defecating)
Eosinophils urine present
Haematuria (presence of blood in urine)
Haemorrhagic anaemia (anaemia due to excessive bleeding)
Hyperphosphataemia (electrolyte disturbance in which there is an abnormally elevated level of phosphate in the blood)
Left ventricular dysfunction
Lung infection
Metabolic acidosis (body produces too much acid, or when the kidneys are not removing enough acid from the body)

What are the common drug interactions of Flutamide and Doxycycline, 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:

Adrenal neoplasm (abnormal growth of adrenal gland)
Anaemia (lack of blood)
Ankle fracture
Anxiety
Arthralgia (joint pain)
Asthenia (weakness)
Atrial fibrillation (fibrillation of the muscles of the atria of the heart)
Bone disorder
Bone neoplasm (tumour of bone)
Deafness

60+:

Anaemia (lack of blood)
Anaemia of chronic disease
Eosinophils urine present
Haematuria (presence of blood in urine)
Haemorrhagic anaemia (anaemia due to excessive bleeding)
Hyperphosphataemia (electrolyte disturbance in which there is an abnormally elevated level of phosphate in the blood)
Left ventricular dysfunction
Lung infection
Metabolic acidosis (body produces too much acid, or when the kidneys are not removing enough acid from the body)
Pleural effusion (water on the lungs)

What are the existing conditions these people have? *

Multiple Myeloma (cancer of the plasma cells): 6 people, 50.00%
Light Chain Analysis Increased: 6 people, 50.00%
Prostate Cancer: 3 people, 25.00%
Prostate Cancer Metastatic: 2 people, 16.67%
Skin Infection: 1 person, 8.33%

* Approximation only. Some reports may have incomplete information.

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