Prices updated daily — 19 April 2026
Cheapest stomach & digestive medicine
Compare 244 products across 6 supermarkets
stomach & digestive medicine — compare prices across 6 supermarkets

ASDA
ASDA Senease Eighteen Years Plus 7.5mg Tablets 20 Tablets
20 pieces
£0.07/st
at 1 supermarket

Morrisons
Morrisons Orange Antacid Tablets
48 pieces
£0.07/st
at 1 supermarket

ASDA
ASDA Constipation Relief 5mg 20 Tablets Adult
20 pieces
£0.10/st
at 1 supermarket

Morrisons
Morrisons Laxative Tablets
20 pieces
£0.11/st
at 1 supermarket

Rennie
Rennie Peppermint Heartburn & Indigestion Chewable Tablets
24 pieces
£0.12/st
at 2 supermarkets

Rennie
Rennie Orange Heartburn & Indigestion Chewable Tablets
24 pieces
£0.12/st
at 2 supermarkets

Rennie
Rennie Sugar-Free Heartburn & Indigestion Chewable Tablets
24 pieces
£0.12/st
at 1 supermarket

Rennie
Rennie Peppermint Heartburn & Indigestion Chewable Tablets
24 pieces
£0.12/st
at 1 supermarket

Rennie
Rennie Spearmint Heartburn & Indigestion Chewable Tablets
24 pieces
£0.12/st
at 1 supermarket

Dulcolax
Dulcolax Adult Constipation Relief Laxative
20 pieces
£0.15/st
at 1 supermarket

ASDA
ASDA 6 Acute Diarrhoea Relief 2mg Capsules
6 pieces
£0.16/st
at 1 supermarket

Galpharm
Galpharm Diarrhoea Relief 2mg Capsules 6 Pack
6 pieces
£0.17/st
at 2 supermarkets

ASDA
ASDA Anti-Diarrhoea Instants 2mg Orodispersible 6 Tablets
6 pieces
£0.17/st
at 1 supermarket

Rennie
Rennie Deflatine Wind Relief Chewable Tablets
18 pieces
£0.18/st
at 1 supermarket

Thornton & Ross
Glycerin Suppository
12 pieces
£0.21/st
at 1 supermarket

Galpharm
Galpharm Diarrhoea Relief Instants 2mg Orodispersible Tablets 6 Tablets
6 pieces
£0.22/st
at 1 supermarket

Rennie
Rennie Gum
10 pieces
£0.30/st
at 1 supermarket

Gaviscon
Gaviscon Double Action Mint Flavour 8 Chewable Tablets
8 pieces
£0.34/st
at 2 supermarkets

Gaviscon
Gaviscon Double Action Heartburn & Indigestion Mint Flavour Tablets
8 pieces
£0.34/st
at 1 supermarket

Galpharm
Galpharm Rehydration Sachets
6 pieces
£0.37/st
at 2 supermarkets

Morrisons
Morrisons Diarrhoea Relief Instants 2mg Orodispersible 6 Tablets
7 pieces
£0.43/st
at 1 supermarket

ASDA
ASDA Rehydration Treatment Blackcurrant Flavour 6 Sachets
6 pieces
£0.54/st
at 1 supermarket

Imodium
Imodium Original Relief from Diarrhoea In 1 Dose 6 Tablets
6 pieces
£0.55/st
at 1 supermarket

Imodium
Imodium Original Capsules 2mg
6 pieces
£0.56/st
at 1 supermarket

Tesco Health
Tesco Health Diarrhoea Relief Loperamide Capsules 6s
1 pieces
£1.00/st
at 1 supermarket

Tesco Health
Tesco Health Senna 7.5mg Laxative Tablets for Adults 20s
1 pieces
£1.45/st
at 1 supermarket

Tesco Health
Tesco Health Constipation Relief Bisacodyl Tablets - Laxative 20s
1 pieces
£2.15/st
at 1 supermarket

DULCOLAX
Dulcolax Laxative Constipation Relief Tablets 20s
1 pieces
£2.60/st
at 3 supermarkets

Rennie
Rennie Peppermint 24 Chewable Tablets
1 pieces
£2.80/st
at 2 supermarkets

RENNIE
Rennie Heartburn & Indigestion Chewable Tablets - Sugar Free 24s
1 pieces
£2.85/st
at 3 supermarkets

RENNIE
Rennie Spearmint Heartburn & Indigestion Chewable Tablets 24s
1 pieces
£2.85/st
at 1 supermarket

Bisodol
Bisodol 60 Original Peppermint Flavour Chewable Tablets
1 pieces
£3.00/st
at 3 supermarkets

RENNIE
Rennie 750mg Medicated Chewing Gum Peppermint 10 Pieces
1 pieces
£3.00/st
at 2 supermarkets

TESCO
Tesco Antacid Peppermint Flavour 48S
1 pieces
£3.15/st
at 1 supermarket

TESCO
Tesco Blackcurrant Oral Rehydration Salts Sachets 6s
1 pieces
£3.25/st
at 1 supermarket

IMODIUM
Imodium Original Diarrhoea Relief Capsules & Tablets - 1 Dose 6s
1 pieces
£3.35/st
at 2 supermarkets

Morrisons
Morrisons Heartburn & Indigestion Liquid
200 ml
£15.50/l
at 1 supermarket

Gaviscon
Gaviscon Original Aniseed Liquid Relief
150 ml
£18.33/l
at 1 supermarket

Care
Care Senna Tablets 20 Tablets
Price per unit unknown
at 1 supermarket

Morrisons
Morrisons Diarrhoea Relief 2mg Capsules 6s
Price per unit unknown
at 1 supermarket

Waitrose Ltd
Essential Diarrhoea Capsules
Price per unit unknown
at 1 supermarket

Sainsbury's
Sainsbury's Antacid Peppermint Tablets x48
Price per unit unknown
at 1 supermarket

Sainsbury's
Sainsbury's Anti-Diarrhoea Capsules x6
Price per unit unknown
at 1 supermarket

Sainsbury's
Sainsbury's Healthcare Anti-Diarrhoea Instants 2mg Orodispersible 6 Tablets
Price per unit unknown
at 1 supermarket

Sainsbury's
Sainsbury's Rehydration Treatment Granules x6
Price per unit unknown
at 1 supermarket

Rennie
Rennie Peppermint Heartburn & Indigestion Relief Tablets x24
Price per unit unknown
at 1 supermarket

Sainsbury's
Sainsbury's Orange Antacid Tablets x48
Price per unit unknown
at 1 supermarket

Rennie
Rennie Spearmint Heartburn & Indigestion Relief Tablets x24
Price per unit unknown
at 1 supermarket

Max Remedies
Max Remedies Acute Diarrhoea Relief Capsules 6 Capsules
Price per unit unknown
at 1 supermarket

Dulcolax
Dulcolax Adult Constipation Relief Laxative Tablets x8
Price per unit unknown
at 1 supermarket