Coreg and Oyster shell calcium drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Coreg (carvedilol) and Oyster shell calcium (calcium carbonate). Common drug interactions include haematuria among females and atrial fibrillation among males.

The phase IV clinical study analyzes what interactions people have when they take Coreg and Oyster shell calcium. It is created by eHealthMe based on reports of 11 people who take the same drugs from the FDA, and is updated regularly.

What is Coreg?

Coreg has active ingredients of carvedilol. It is often used in high blood pressure. eHealthMe is studying from 49,583 Coreg users. Check the latest studies of Coreg.

What is Oyster shell calcium?

Oyster shell calcium has active ingredients of calcium carbonate. eHealthMe is studying from 416 Oyster shell calcium users. Check the latest studies of Oyster shell calcium.

On Jul, 26, 2026

11 people who take Coreg and Oyster shell calcium together, and have interactions are studied.

Coreg and Oyster shell calcium drug interactions.

What are the common drug interactions of Coreg and Oyster Shell Calcium, by gender? *:

female:

Haematuria (presence of blood in urine)
Haemorrhage (bleeding)
Anaemia (lack of blood)
Aplasia pure red cell (type of anaemia affecting the precursors to red blood cells but not to white blood cells)
Arthralgia (joint pain)
Bone disorder
Convulsion (muscles contract and relax rapidly and repeatedly, resulting in an uncontrolled shaking of the body)
Cushingoid (obesity and weakening of the muscles)
Diarrhoea
Drug effect decreased

male:

Atrial fibrillation (fibrillation of the muscles of the atria of the heart)
Electrocardiogram qt prolonged
Adverse drug reaction
Cardiac arrest
Cardiac failure congestive
Death
Drug level decreased
Drug resistance (reduction in effectiveness of a drug)
Infection
Transplant rejection (a transplant material is not worked)

What are the common drug interactions of Coreg and Oyster Shell Calcium, by age (0-1 to 60+)? *:

0-1:

n/a

2-9:

n/a

10-19:

Anaemia (lack of blood)
Aplasia pure red cell (type of anaemia affecting the precursors to red blood cells but not to white blood cells)
Arthralgia (joint pain)
Bone disorder
Convulsion (muscles contract and relax rapidly and repeatedly, resulting in an uncontrolled shaking of the body)
Cushingoid (obesity and weakening of the muscles)
Diarrhoea
Drug effect decreased
Drug resistance (reduction in effectiveness of a drug)
Glomerulonephritis chronic (long lasting group of conditions that affect parts of the kidneys called glomeruli)

20-29:

n/a

30-39:

n/a

40-49:

Drug level decreased
Drug resistance (reduction in effectiveness of a drug)
Transplant rejection (a transplant material is not worked)

50-59:

n/a

60+:

Haematuria (presence of blood in urine)
Haemorrhage (bleeding)
Atrial fibrillation (fibrillation of the muscles of the atria of the heart)
Electrocardiogram qt prolonged
Cardiac arrest
Cardiac failure congestive
Death
Haematochezia (passage of stools containing blood)
Haemorrhagic anaemia (anaemia due to excessive bleeding)
Upper gastrointestinal haemorrhage (upper gastrointestinal bleeding)

What are the existing conditions these people have? *

Atrial Fibrillation/flutter (atrial fibrillation and flutter are abnormal heart rhythms in which the atria, or upper chambers of the heart, are out of sync with the ventricles): 4 people, 36.36%
Multiple Myeloma (cancer of the plasma cells): 3 people, 27.27%
Pain: 2 people, 18.18%
Viral Infection: 1 person, 9.09%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 1 person, 9.09%
Anaemia (lack of blood): 1 person, 9.09%
Bacterial Infection: 1 person, 9.09%
Chest Pain: 1 person, 9.09%
Chronic Renal Failure (kidney failure): 1 person, 9.09%
Constipation: 1 person, 9.09%

* Approximation only. Some reports may have incomplete information.

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