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

Summary:

Drug interactions are reported among people who take Doxycycline hyclate (doxycycline hyclate) and Echinacea (echinacea). Common drug interactions include white blood cell count decreased among females and dyspnoea among males.

The phase IV clinical study analyzes what interactions people have when they take Doxycycline hyclate and Echinacea. It is created by eHealthMe based on reports of 23 people who take the same drugs from the FDA, and is updated regularly.

What is Doxycycline hyclate?

Doxycycline hyclate has active ingredients of doxycycline hyclate. It is often used in acne. eHealthMe is studying from 17,884 Doxycycline hyclate users. Check the latest studies of Doxycycline hyclate.

What is Echinacea?

Echinacea has active ingredients of echinacea. It is often used in immune response. eHealthMe is studying from 1,930 Echinacea users. Check the latest studies of Echinacea.

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 Sep, 01, 2026

23 people who take Doxycycline hyclate and Echinacea together, and have interactions are studied.

Doxycycline hyclate and Echinacea drug interactions.

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

female:

White blood cell count decreased
Anxiety
Drug ineffective
Emotional disorder
Feeling drunk
Neutrophil count decreased (less than normal number of neutrophil a type of blood cell)
Aphonia (inability to produce voice)
Arthralgia (joint pain)
Balance disorder
Blood iron decreased

male:

Dyspnoea (difficult or laboured respiration)
Myocardial infarction (destruction of heart tissue resulting from obstruction of the blood supply to the heart muscle)
Syncope (loss of consciousness with an inability to maintain postural tone)
Angina pectoris (chest pain due to ischemia of the heart muscle)
Arthralgia (joint pain)
Drug ineffective
Fall
Insomnia (sleeplessness)
Rib fracture

What are the common drug interactions of Doxycycline Hyclate and Echinacea, by age (0-1 to 60+)? *:

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

Wisdom teeth removal

30-39:

n/a

40-49:

Balance disorder
Blood iron decreased
Diarrhoea
Dizziness
Headache (pain in head)
Vision blurred

50-59:

Malaise (a feeling of general discomfort or uneasiness)
Nasopharyngitis (inflammation of the nasopharynx)
Rhinorrhoea (watery mucus discharge from the nose)

60+:

Drug ineffective
White blood cell count decreased
Myocardial infarction (destruction of heart tissue resulting from obstruction of the blood supply to the heart muscle)
Pancytopenia (medical condition in which there is a reduction in the number of red and white blood cells, as well as platelets)
Pneumonia
Renal failure (kidney dysfunction)
Rib fracture
Syncope (loss of consciousness with an inability to maintain postural tone)
Neutrophil count decreased (less than normal number of neutrophil a type of blood cell)
Angina pectoris (chest pain due to ischemia of the heart muscle)

What are the existing conditions these people have? *

Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 8 people, 34.78%
Sleep Disorder: 4 people, 17.39%
Multiple Myeloma (cancer of the plasma cells): 3 people, 13.04%
Cataplexy (loss of muscle tone accompanied by full conscious awareness): 2 people, 8.70%
Breast Cancer Female: 2 people, 8.70%

* Approximation only. Some reports may have incomplete information.

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