Probiotics: uses, side effects & brands

Written & medically reviewed by Dr. Sanjay Anbu, MBBS · Last reviewed 5 November 2026

Probiotics provide helpful gut bacteria to support digestion and recovery from diarrhoea. It belongs to the Prokinetic & digestive (extra) group. These help the stomach empty, calm the gut, or restore gut balance.

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Drug type — dosing is set by your doctor

Measure	Range
Drug class	Prokinetic & digestive (extra)
Type	Prescription
Dose	Individual — ask your doctor or pharmacist

What it is used for

Helping prevent diarrhoea caused by antibiotics
Shortening acute diarrhoea in children (certain strains)
Easing some irritable bowel symptoms (certain strains)
Supporting gut recovery after diarrhoea

Common brand names

India: Vizylac, Sporlac, Enterogermina
Worldwide: Culturelle, Florastor

Common side effects

Bloating or gas in the first few days
Mild tummy discomfort
Very rare serious infection in people with weak immunity

Before taking it — precautions

People with weak immunity, central lines or very premature babies should ask a doctor first
Benefits depend on the specific strain; they do not replace ORS in diarrhoea
Store as the label says; some need refrigeration to stay effective

When to see a doctor urgently

Fever or chills in someone with weak immunity (urgent)
Blood in stool or signs of dehydration (urgent)
Allergic reaction: rash, swelling or difficulty breathing

Not a prescription — no dose shown. The right dose of probiotics 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

Do probiotics really work?

Some strains help in specific situations, such as antibiotic-related diarrhoea, but not every product works for every problem.

Is curd (dahi) the same?

Curd contains live bacteria and is healthy food, but the strains and amounts differ from tested probiotic products.

Can I take them with antibiotics?

Yes, they are often used during antibiotic courses; ask whether to space them apart from the antibiotic.

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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.