Methyldopa and Catapres drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Methyldopa (methyldopa) and Catapres (clonidine hydrochloride). Common drug interactions include anaemia among females and chronic kidney disease among males.

The phase IV clinical study analyzes what interactions people have when they take Methyldopa and Catapres. It is created by eHealthMe based on reports of 13 people who take the same drugs from the FDA, and is updated regularly.

What is Methyldopa?

Methyldopa has active ingredients of methyldopa. It is often used in high blood pressure. eHealthMe is studying from 6,475 Methyldopa users. Check the latest studies of Methyldopa.

What is Catapres?

Catapres has active ingredients of clonidine hydrochloride. It is often used in high blood pressure. eHealthMe is studying from 6,680 Catapres users. Check the latest studies of Catapres.

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, 02, 2026

13 people who take Methyldopa and Catapres together, and have interactions are studied.

Methyldopa and Catapres drug interactions.

What are the common drug interactions of Methyldopa and Catapres, by gender? *:

female:

Anaemia (lack of blood)
Foetal exposure during pregnancy (exposing your unborn child to contraindicated in pregnancy leads birth defect)
Lupus-like syndrome (a disease symptom matches with lupus an immune disease)
Neuropathy peripheral (surface nerve damage)
Premature baby
Renal failure (kidney dysfunction)
Asthenia (weakness)
Chronic kidney disease
Maternal exposure during pregnancy (use of substance during pregnancy)
Nausea (feeling of having an urge to vomit)

male:

Chronic kidney disease
Hypertensive crisis
Atrial fibrillation (fibrillation of the muscles of the atria of the heart)
Atrophy (wasting away of a part of the body)
Back pain
Balance disorder
Confusional state
Diabetes mellitus (diabetes, caused by a deficiency of the pancreatic hormone insulin)
Diabetic neuropathy (neuropathic disorders that are associated with diabetes mellitus)
Dizziness

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

Anaemia (lack of blood)
Polyhydramnios (excess of amniotic fluid in the amniotic sac)
Pregnancy induced hypertension
Proteinuria (presence of protein in the urine)
Renal failure (kidney dysfunction)

30-39:

n/a

40-49:

Autoimmune neuropathy (disease or dysfunction of one or more peripheral nerves by autoimmune disorders)
Autonomic nervous system imbalance (autonomic nervous system is of net equal emphasis)
Drug ineffective
Sjogren's syndrome (a disease that causes dryness in the mouth and eyes)

50-59:

Chronic kidney disease
Hypertensive crisis
Renal failure (kidney dysfunction)
Anaemia (lack of blood)
Areflexia (absence of a reflex)
Arthralgia (joint pain)
Atrophy (wasting away of a part of the body)
Back pain
Balance disorder
Confusional state

60+:

Lupus-like syndrome (a disease symptom matches with lupus an immune disease)
Neuropathy peripheral (surface nerve damage)
Atrial fibrillation (fibrillation of the muscles of the atria of the heart)
Chronic kidney disease
Renal failure (kidney dysfunction)
Renal injury (kidney injury)
Renal ischaemia (lack of blood supply to kidney)
Respiratory failure (inadequate gas exchange by the respiratory system)
Vulvar dysplasia (vulval dysplasia means that there are cells that are no longer normal and may be trying to become a cancer)

What are the existing conditions these people have? *

Pain: 3 people, 23.08%
High Blood Cholesterol: 3 people, 23.08%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 3 people, 23.08%
Breast Cancer: 2 people, 15.38%
Foetal Exposure During Pregnancy (exposing your unborn child to contraindicated in pregnancy leads birth defect): 2 people, 15.38%
Vasodilatation (widening of blood vessels resulting from relaxation of smooth muscle cells within the vessel walls): 1 person, 7.69%
Depression: 1 person, 7.69%
Affective Disorder (mental disorder): 1 person, 7.69%
Asthma: 1 person, 7.69%
Blood Glucose Decreased: 1 person, 7.69%

* Approximation only. Some reports may have incomplete information.

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