MedDroid
Ask MedDroid
Calcium Gluconate: uses, side effects & brands
Calcium gluconate is an injection for dangerously low calcium or high potassium. It belongs to the Electrolyte & mineral group. These correct salt or mineral imbalances in the body.
Drug type — dosing is set by your doctor
| Measure | Range |
|---|---|
| Drug class | Electrolyte & mineral |
| Type | Prescription |
| Dose | Individual — ask your doctor or pharmacist |
What it is used for
- Severe low blood calcium
- Protecting the heart in dangerously high potassium
- Magnesium overdose
- Low calcium in newborns
Common brand names
- India: Calcium Gluconate IV
- Worldwide: (calcium gluconate brands)
Common side effects
- Warm or tingling feeling during injection
- Slow heartbeat
- Irritation at the injection site
Before taking it — precautions
- Given in hospital, usually by slow injection with heart monitoring
- Tell your doctor if you take digoxin (dangerous heart effects)
- Must not be mixed in the same line as some antibiotics like ceftriaxone
When to see a doctor urgently
- Pain, redness or swelling at the drip site
- Slow or irregular heartbeat, fainting (urgent)
- Nausea, confusion or weakness (high calcium)
Frequently asked questions
Why does it need to be given slowly?
Calcium given too fast can upset the heart rhythm, so it is injected slowly while staff watch the heart.
How does it help with high potassium?
It does not lower potassium but steadies the heart while other treatments bring potassium down.
Is there an oral form?
Calcium gluconate is mainly used as an injection; ordinary calcium tablets are used for long-term supplementation.
Explore more
Sources & further reading
- World Health Organization (WHO)
- MedlinePlus — U.S. National Library of Medicine
- Ministry of Health & Family Welfare, India
- Indian Council of Medical Research (ICMR)
Reviewed by Dr. Sanjay Anbu, MBBS. MedDroid is an AI medical assistant and can make mistakes. It provides general health information, not a diagnosis or medical advice — always consult a qualified clinician. In an emergency, contact your local emergency number immediately.