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Darolac Aqua Suspension
suspension - 5mL - 10 X5 ml
ARISTO PHARMACEUTICALS PVT LTD
₹324.14₹341.20
Save ₹17.06
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Indian pharmacies stock both of these as 'probiotics' and treat them as interchangeable, which hides the one fact that actually decides between them: Econorm is a yeast and Darolac is bacteria. That is not a technicality. It determines whether a concurrent antibiotic destroys the product you just paid for, and it determines who should not take it at all.
Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated September 2026
Our verdict
These are different organisms doing overlapping jobs. Econorm is Saccharomyces boulardii, a probiotic yeast — which is why it is the one commonly chosen alongside antibiotics: a yeast is not killed by them. Darolac is a multi-strain bacterial blend, the more general-purpose gut probiotic. For antibiotic-associated diarrhoea, S. boulardii has the stronger evidence base. For everyday gut support after a stomach upset, either is reasonable. One hard rule sits underneath both: probiotics are supportive, and any diarrhoea in a child still needs ORS first.
Written by the PingMeDoc™ doctor team. We stock the products below — the verdict above doesn't change based on what earns us more.
Pick Darolac if…
You want a general multi-strain bacterial probiotic for gut support after an upset, or your doctor named a Lactobacillus-type product.
Shop DarolacPick Econorm if…
You are on a course of antibiotics, or the diarrhoea followed one — S. boulardii is a yeast, so the antibiotic does not wipe it out, and the evidence for this specific use is the strongest in the category.
Shop Econorm| Darolac | Econorm | |
|---|---|---|
| Type of organism | Bacterial blend (Lactobacillus / Bifidobacterium type) | Yeast — Saccharomyces boulardii |
| Survives a concurrent antibiotic | No — needs dose spacing | Yes — antibiotics do not act on yeast |
| Antibiotic-associated diarrhoea | Some support | Strongest evidence in the category |
| General gut support | Well suited | Also reasonable |
| Immunocompromised patients | Caution — ask a doctor | Avoid — fungaemia risk reported |
| Replaces ORS in diarrhoea | No | No |
≈₹90–₹180 per pack depending on variant
Multi-strain bacterial probiotic — the general-purpose option
Where it loses: Being bacterial, it is vulnerable to a concurrent antibiotic — space the doses by at least two hours or the course largely cancels it. The Darolac name covers several variants with different strain mixes, so the plain one and the Z or Plus versions are not the same product.
suspension - 5mL - 10 X5 ml
ARISTO PHARMACEUTICALS PVT LTD
Save ₹17.06
Prescription required
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capsule - 10 S
ARISTO PHARMACEUTICALS PVT LTD
Save ₹6.79
Prescription required
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sachet - 2 gm - 10 SAC
ARISTO PHARMACEUTICALS PVT LTD
Save ₹9
Prescription required
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syrup - 5mL - 30 ml
ARISTO PHARMACEUTICALS PVT LTD
Save ₹9.34
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≈₹100–₹200 per pack of sachets or capsules
Saccharomyces boulardii — the yeast that survives antibiotics
Where it loses: S. boulardii should be avoided in people who are significantly immunocompromised or have a central venous catheter — there are reported cases of fungaemia in exactly those groups. This is a real contraindication, not a label formality, and it is the main reason to ask before self-starting it in a hospitalised or seriously unwell person.
capsule - 6 S
Dr Reddys Laboratories Ltd
Save ₹15.16
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