What is Calcium Hydroxide used for?

Calcium Hydroxide is used to help manage pain located in the heels and back.

How do I take Calcium Hydroxide pellets?

You should dissolve 5 pellets under your tongue 3 times every day.

Can children take Calcium Hydroxide?

Yes, adults and children can take this medication using the same dosage instructions.

When should I start taking Calcium Hydroxide?

You should start taking it as soon as your symptoms begin.

How long should I continue taking Calcium Hydroxide?

Continue taking it 3 times a day until your symptoms are relieved or as your doctor directs.

What brand name is Calcium Hydroxide sold under?

It is sometimes sold under the brand name Calcarea caustica.

Calcium Hydroxide | CAS 1305-62-0 | AXCZMVOFGPJBDE

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Astringent

Calcium Hydroxide (often referred to by the brand name Calcarea caustica) is a small molecule used as an astringent. It is primarily used to address pain in the back and heels.

Brand names:Calcarea caustica

Used for

Back painHeel pain

Conditions

PeriodontitisPainDental pulp exposureDental caries

Class

AstringentMusculoskeletal

How to take

FormsPellets

RoutesOral (dissolve under the tongue)

Dissolve 5 pellets under the tongue 3 times a day at the start of symptoms until they improve or as a doctor tells you.

Special populations

PediatricThe dosage for children is the same as for adults: dissolve 5 pellets under the tongue 3 times a day.

Talk to your doctor

Questions to ask

·Is this safe for my specific type of back pain?
·How long should I expect symptoms to last after taking this?

Educational summary derived from FDA labeling, AI-assisted. Not medical advice — consult a healthcare professional. Updated 2026-04-25.

How to take

Special populations

Talk to your doctor

Frequently asked questions (6)