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drug database

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Name/scientific name

CALCIUM CARBONATE

Self-financed or subsidized by the Hospital Authority

Hospital Authority Drug Formulary

Indications

Acid reflux, heartburn, gastric ulcer, calcium deficiency, osteoporosis, hypocalcemia

body system

Nutrition and Hematology

type 

Minerals

category

Pagination

Drug introduction

Calcium carbonate is a commonly used oral calcium supplement used to prevent and treat calcium deficiencies. It helps maintain bone health and strength and supports nerve, muscle and heart function. Calcium carbonate is often the first choice for calcium supplements because it is relatively inexpensive and easy to use.

In Hong Kong, calcium carbonate can be purchased at pharmacies or supermarkets without a prescription. Common dosage forms include tablets and chewable tablets, suitable for people of different ages. Follow your doctor's or pharmacist's advice for proper dosage and use.

Although calcium carbonate is generally considered safe and harmless, some people may experience side effects such as constipation or diarrhea. During the period of taking calcium carbonate, it is recommended to increase water intake and avoid taking it at the same time with certain drugs to avoid affecting the absorption effect. If you have any questions or adverse reactions, you should consult your doctor immediately.

Dosage

Directions for use: Read the label or doctor's instructions carefully before each use of this medication. It is usually recommended to take it after a meal or before bed to improve absorption. While taking this medication, you should avoid taking foods or supplements containing calcium at the same time to avoid affecting absorption.

Dosage Guidelines: Adults can take a dosage of 500 mg to 1500 mg each time, depending on individual needs and doctor's advice. The starting dose is usually 500 mg and can be gradually increased to 1500 mg as needed. The dosage for children should be determined according to age and weight. It is recommended to use it under the guidance of a doctor. Patients with specific diseases or conditions may require dosage adjustments and should consult their physician for individualized advice.

side effect

CALCIUM CARBONATE is a commonly used calcium supplement mainly used to treat calcium deficiency and osteoporosis. Its side effects include constipation, diarrhea, abdominal pain and bloating. Some people may experience heartburn or acid reflux. Taking large amounts of CALCIUM CARBONATE for a long time may cause excessive calcium levels in the body, leading to kidney stones or other health problems. If you experience serious side effects, such as difficulty breathing, skin irritation, or rapid heartbeat, seek medical advice immediately. Before seeing a doctor, remember to tell the doctor clearly about your allergies and other medications to avoid adverse reactions.

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Taboo

Drug name: calcium carbonate

Taboo groups:
1. Patients with hypercalcemia: Calcium carbonate may cause an increase in blood calcium levels. For patients who already have hypercalcemia, calcium carbonate should be avoided to prevent aggravation of the condition.
2. Patients with osteoporosis: Calcium carbonate may increase the risk of osteoporosis at high doses, so patients who have been diagnosed with osteoporosis should use calcium carbonate with caution or avoid using it.
3. Patients with hypercalciuria: Calcium carbonate may cause an increase in calcium content in urine. Patients with hypercalciuria should avoid using calcium carbonate to avoid further aggravating the condition.
4. Patients with renal insufficiency: The metabolism of calcium carbonate mainly depends on renal function. Therefore, patients with renal insufficiency should avoid using calcium carbonate to prevent drug accumulation leading to adverse reactions.

The above are contraindications for calcium carbonate. People with corresponding diseases should use the drug under the guidance of a physician to avoid health risks caused by improper use.

Precautions

Calcium Calcium Carbonate: Used to treat osteoporosis and as a calcium supplement. Please follow your doctor's advice and do not exceed the recommended dosage. Consult a medical professional before using with other medications.

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  • Medication grading for pregnant women

    Calcium carbonate should be used with caution during pregnancy and as directed by your doctor. Calcium carbonate is often used as a calcium supplement to help prevent bone disease, but special caution is needed when using it during pregnancy. The use of calcium carbonate during pregnancy may cause potential risks to the fetus, so if you have a history of pregnancy or suspect pregnancy, you should ask your doctor whether it is safe to use. Additionally, calcium carbonate may interact with other medications and should be avoided with caution. During pregnancy, try to avoid using medications unless advised by your doctor. If you have any discomfort or concerns, you should seek medical advice immediately. Although calcium carbonate is beneficial to health, it should be used with caution during pregnancy to ensure the safety of mother and fetus.

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