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Lactase: uses, side effects & brands

Written & medically reviewed by Dr. Sanjay Anbu, MBBS · Last reviewed

Lactase helps people with lactose intolerance digest dairy. It belongs to the Digestive enzyme group. These replace enzymes to help digest food when the body lacks them.

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Drug type — dosing is set by your doctor

MeasureRange
Drug classDigestive enzyme
TypePrescription
DoseIndividual — ask your doctor or pharmacist

What it is used for

Common brand names

Common side effects

Before taking it — precautions

When to see a doctor urgently

Not a prescription — no dose shown. The right dose of lactase depends on age, weight, kidney/liver function and the condition, so MedDroid does not show a dose here. Always get your dose from a doctor or pharmacist and the leaflet inside the pack. General educational information only.

Frequently asked questions

Who needs pancreatic enzymes?

People whose pancreas does not make enough enzymes (e.g. chronic pancreatitis, cystic fibrosis, after pancreas surgery) take them with meals to digest food.

What is lactase for?

It helps people with lactose intolerance digest dairy, reducing bloating, wind and diarrhoea.

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Sources & further reading

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.