Plavix and Euthyrox drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Plavix (clopidogrel bisulfate) and Euthyrox (levothyroxine sodium). Common drug interactions include colitis haemorrhagic among females and blood creatinine increased among males.

The phase IV clinical study analyzes what interactions people have when they take Plavix and Euthyrox. It is created by eHealthMe based on reports of 79 people who take the same drugs from the FDA, and is updated regularly.

What is Plavix?

Plavix has active ingredients of clopidogrel bisulfate. It is often used in stent. eHealthMe is studying from 151,178 Plavix users. Check the latest studies of Plavix.

What is Euthyrox?

Euthyrox has active ingredients of levothyroxine sodium. It is often used in hypothyroidism. eHealthMe is studying from 8,740 Euthyrox users. Check the latest studies of Euthyrox.

On Jul, 17, 2026

79 people who take Plavix and Euthyrox together, and have interactions are studied.

What are the common drug interactions of Plavix and Euthyrox, by gender? *:

female:

Colitis haemorrhagic (bleeding diarrhoea due to infection of colon)
Colitis ulcerative (inflammation of colon with ulcer)
Conjunctivitis (pink eye)
Coronary artery occlusion (complete obstruction of blood flow in a coronary artery)
Dehydration (dryness resulting from the removal of water)
Dyspnoea exertional (breathlessness or shortness of breath)
Eye irritation
Gastrointestinal disorder (functional problems of gastrointestinal tract)
Gastrointestinal motility disorder (abnormal intestinal contractions)
Haemoptysis (blood-stained sputum from the bronchi, larynx, trachea, or lungs)

male:

Blood creatinine increased
Haematoma (collection of blood outside the blood vessels)
Tubulointerstitial nephritis (a form of nephritis affecting the interstitium of the kidneys surrounding the tubules)
Alopecia (absence of hair from areas of the body)
Angioedema (rapid swelling of the dermis)
Blood triglycerides increased
Blood urea increased
C-reactive protein increased
Cardiomyopathy (weakening of the heart muscle)
Cellulitis (infection under the skin)

What are the common drug interactions of Plavix and Euthyrox, 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:

Transplant failure (transplantation failed to meet outcome)
Acute hepatic failure
Chest pain
Coagulation time prolonged
Coronary artery occlusion (complete obstruction of blood flow in a coronary artery)
Cough
Haemorrhagic diathesis (bleeding tendency)
Hepatic steatosis (fatty liver disease)
Hypotension (abnormally low blood pressure)
Jaundice (a yellowish pigmentation of the skin, the conjunctival membranes)

60+:

General physical health deterioration (weak health status)
Thrombotic microangiopathy (a pathology that results in thrombosis in capillaries and arterioles, due to an endothelial injury)
Disturbance in attention
Encephalitis (inflammation of the brain)
Enterococcal infection
Hepatic enzyme increased
Meningitis tuberculous (a bacterial infection of the membranes covering the brain and spinal cord (meninges))
Peroneal nerve palsy
Psychotic disorder
Pulmonary tuberculosis (lungs tuberculosis)

What are the existing conditions these people have? *

High Blood Pressure: 22 people, 27.85%
Type 2 Diabetes: 17 people, 21.52%
High Blood Cholesterol: 16 people, 20.25%
Weakness: 10 people, 12.66%
Osteoporosis (bones weak and more likely to break): 10 people, 12.66%
Endocarditis (inflammation in heart muscle): 10 people, 12.66%
Breast Cancer Metastatic: 8 people, 10.13%
Diffuse Large B-Cell Lymphoma Stage Iv (cancer of b cells, a type of white blood cell-stage iv): 6 people, 7.59%
Temporal Arteritis (inflammation and damage to blood vessels that supply the head area): 5 people, 6.33%
Stroke (sudden death of a portion of the brain cells due to a lack of oxygen): 4 people, 5.06%

* Approximation only. Some reports may have incomplete information.

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