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O.R.S Immune Juicy Orange Flavour - 20 Tablets

O.R.S Immune Juicy Orange Flavour - 20 Tablets

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  • ✔️ Replenishes electrolytes lost during diarrhoea and vomiting
  • ✔️ Added vitamin C and zinc support normal immune function
  • ✔️ Effervescent tablet dissolves in 200ml water in under a minute
  • ✔️ Suitable for adults and children over 12 years
  • ✔️ Convenient 20-tablet pack ideal for home and travel use

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What Are O.R.S Immune Tablets for?

 

Staying properly hydrated matters more than most people realise — especially when your body is under stress from illness, diarrhoea, or intense physical activity. ORS immune tablets combine oral rehydration salts with vitamin C and zinc, giving you a convenient, effervescent way to restore lost fluids and electrolytes while also supporting your immune system. Each juicy orange-flavoured tablet dissolves quickly in water, making it easy to use at home or on the go.

Dehydration caused by diarrhoea, vomiting, or excessive sweating can leave you feeling drained and unwell. According to the NHS, oral rehydration solutions are the first-line approach for managing fluid loss from diarrhoea in both adults and children. O.R.S Immune Juicy Orange Flavour 20 Tablets offer a practical, palatable option that goes a step further by including nutrients that contribute to normal immune function. If you're also managing gut-related symptoms, you may find our IBS and Cramps collection useful alongside this product.

 

How Do O.R.S Immune Tablets Work?

 

The science behind oral rehydration therapy is well established. When you lose fluids through diarrhoea or sweating, you don't just lose water — you lose essential electrolytes that your body needs to function. O.R.S Immune tablets work through a carefully balanced combination of ingredients:

  • Sodium and potassium — replenish key electrolytes lost during fluid loss, helping to restore normal cell function
  • Glucose — facilitates the absorption of sodium and water across the gut wall via the sodium-glucose co-transport mechanism
  • Vitamin C — contributes to the normal function of the immune system and helps reduce tiredness and fatigue
  • Zinc — supports normal immune function and plays a role in protecting cells from oxidative stress
  • Effervescent format — dissolves rapidly in water, making the solution easy to prepare and drink

This combination means you're not just replacing water — you're actively supporting your body's recovery process at a cellular level.

 

Who Should Use O.R.S Immune Tablets?

 

These tablets are suitable for a wide range of people. Whether you're recovering from a stomach bug, managing a bout of diarrhoea, or simply trying to stay hydrated during illness or exercise, ORS immune tablets can help. They're particularly useful for:

  • Adults and children over 12 experiencing diarrhoea or vomiting
  • People recovering from illness who need to restore electrolyte balance
  • Individuals with IBS who experience frequent loose stools
  • Those who want immune support alongside hydration during winter months

They are not a substitute for medical treatment if diarrhoea is severe or prolonged. Always seek medical advice if symptoms persist beyond 48 hours in adults or 24 hours in children.

 

How Do O.R.S Immune Tablets Compare to Standard ORS Sachets?

 

Feature O.R.S Immune Tablets Standard ORS Sachets (e.g. Dioralyte)
Format Effervescent tablet Powder sachet
Immune support (Vitamin C & Zinc) Yes No
Portability Compact, easy to carry Sachets can tear or spill
Flavour options Juicy Orange Blackcurrant, Citrus, Unflavoured

 

Are O.R.S Immune Tablets Suitable for Long-Term Use?

 

These tablets are intended for short-term use during episodes of fluid loss or illness. If you find yourself needing hydration support regularly — for example, due to a chronic condition — it's worth speaking to your GP or pharmacist about longer-term management. For broader nutritional support, our Vitamins and Supplements collection includes a range of products that may complement your daily routine.

Store the tablets in a cool, dry place below 25°C, away from direct sunlight and out of reach of children. Once dissolved in water, the solution should be consumed within one hour.

This product is a medicine. Speak to your doctor or pharmacist before using if you have an underlying medical condition or are taking other medicines.

O.R.S Immune Juicy Orange Flavour - 20 Tablets specifications
Treatment category Oral rehydration therapy / Immune support
Mechanism of action Electrolyte and fluid replacement via sodium-glucose co-transport; immune support via vitamin C and zinc
Effective for Dehydration, diarrhoea, fluid loss, immune support
Suitable for Adults and children over 12 years
Active ingredients Sodium chloride, potassium chloride, sodium bicarbonate, glucose, vitamin C, zinc
Pack size 20 tablets
UK classification General Sale Medicine (GSL)
Drug class Oral rehydration salts (ORS)
Preparation Effervescent tablet
Route of administration Oral (dissolved in water)

Specifications of O.R.S Immune Juicy Orange Flavour - 20 Tablets

 

What Is O.R.S Immune and What Is It Used For?

 

O.R.S Immune Juicy Orange Flavour tablets are an over-the-counter oral rehydration solution in effervescent tablet form. They are used to replace fluids and electrolytes lost during diarrhoea, vomiting, excessive sweating, or other causes of dehydration. The added vitamin C and zinc make them particularly useful when your immune system needs extra support — for example, during or after an illness.

The NHS recommends oral rehydration solutions as the first-line treatment for dehydration caused by diarrhoea, particularly in vulnerable groups such as the elderly and those with underlying health conditions. ORS immune tablets are also relevant for people managing conditions like IBS, where loose stools can lead to repeated fluid loss. If diarrhoea is a recurring issue for you, it's worth exploring our Diarrhoea collection for additional support options.

 

What Do You Need to Know Before Using O.R.S Immune Tablets?

 

Before using these tablets, check the following contraindications and warnings carefully:

  • Do not use if you have been diagnosed with hypernatraemia (high blood sodium levels)
  • Use with caution if you have severe kidney (renal) impairment — seek medical advice first
  • Not recommended for children under 12 without medical supervision
  • If you have diabetes, be aware that these tablets contain glucose — consult your pharmacist
  • Do not use as a sole treatment for severe or bloody diarrhoea — seek urgent medical attention
  • If you are pregnant or breastfeeding, speak to your GP or midwife before use

Known drug interactions are limited at standard doses, but consider the following:

  • High-dose zinc supplements taken alongside other zinc-containing products may increase the risk of exceeding safe intake levels
  • Vitamin C at high doses may affect the absorption of certain medications — check with your pharmacist if you take regular medicines
  • No significant interactions with common OTC medicines are currently documented at the doses found in these tablets

 

How Should You Use O.R.S Immune Tablets?

 

Using these tablets correctly ensures you get the full benefit of the rehydration formula. Follow these steps:

  1. Take one tablet from the pack
  2. Drop it into a glass containing 200ml of clean, still water
  3. Allow the tablet to fully dissolve — this usually takes around 30–60 seconds
  4. Stir gently if needed, then drink the solution slowly
  5. Repeat after each loose stool or episode of fluid loss, as directed
  6. Do not crush or swallow the tablet whole
  7. Consume the prepared solution within one hour of dissolving
Indication Age Group Dose Frequency
Diarrhoea / dehydration Adults & children over 12 1 tablet in 200ml water After each loose stool or as needed
General hydration support Adults 1 tablet in 200ml water 1–2 times daily
Immune support during illness Adults & children over 12 1 tablet in 200ml water Up to 3 times daily

 

What Are the Possible Side Effects of O.R.S Immune Tablets?

 

Side effects from oral rehydration salts are uncommon when used as directed. However, as with any medicine, some people may experience unwanted effects.

Common side effects:

  • Mild nausea, particularly if the solution is drunk too quickly
  • Bloating or a feeling of fullness
  • Mild stomach discomfort

Less common side effects:

  • Vomiting — if this occurs, wait 10 minutes before trying again, drinking more slowly
  • Headache in rare cases, possibly related to electrolyte shifts
  • Allergic reactions (very rare) — stop use immediately and seek medical help if you notice rash, swelling, or difficulty breathing

If you are concerned about any side effect, stop use and speak to your pharmacist or GP. For travel-related diarrhoea or nausea, you may also find our Sickness and Nausea collection helpful.

 

How Should You Store O.R.S Immune Tablets?

 

  • Store below 25°C in a cool, dry place
  • Keep away from direct sunlight and moisture
  • Keep the tube or packaging tightly closed when not in use
  • Keep out of the reach and sight of children
  • Do not use after the expiry date printed on the packaging
  • Once dissolved in water, consume the solution within one hour — do not store prepared solution
  • Do not store in a bathroom cabinet where humidity may affect the tablets

Written and reviewed by our qualified team

Your safety and success are our highest priorities. Our medical team rigorously evaluates every product and piece of advice we provide, ensuring you receive only the most effective, science-backed solutions available.

Frequently Asked Questions

Where can I buy O.R.S Immune tablets online in the UK?

You can buy O.R.S Immune Juicy Orange Flavour 20 Tablets directly from Cured Pharmacy online for just £5.99. No prescription is needed as this is an over-the-counter product. Simply add to your basket and choose your preferred delivery option at checkout.

How do O.R.S Immune tablets work in the body?

These tablets work by delivering a balanced mix of electrolytes — sodium, potassium, and glucose — that your body loses during diarrhoea, vomiting, or sweating. Glucose activates the sodium-glucose co-transport mechanism in the gut, which dramatically improves how quickly water and salts are absorbed. The added vitamin C and zinc then support your immune system as it works to recover.

How do I use O.R.S Immune tablets step by step?

Drop one tablet into 200ml of still water and wait for it to fully dissolve — usually within a minute. Stir gently if needed, then drink the solution slowly rather than all at once. Repeat after each loose stool or episode of fluid loss, and always prepare a fresh solution each time.

What is the correct dose of O.R.S Immune tablets for adults?

Adults and young people over 12 should dissolve one tablet in 200ml of water per dose. During active diarrhoea, this can be repeated after each loose stool. For general hydration or immune support during illness, one to three tablets per day is typical — but always follow the packaging instructions or your pharmacist's advice.

What is the best time to take O.R.S Immune tablets?

Take them as soon as you notice signs of dehydration — such as dark urine, dry mouth, or dizziness — or immediately after a bout of diarrhoea or vomiting. There is no fixed time of day, as the timing should be guided by your symptoms. Drinking the solution slowly over 10–15 minutes helps your body absorb it more effectively.

Can children take O.R.S Immune tablets?

O.R.S Immune tablets are suitable for children aged 12 and over at the adult dose. For children under 12, you should speak to your GP or pharmacist before use, as younger children may need a different formulation or dose. The NHS recommends seeking medical advice promptly if a young child shows signs of dehydration.

Are O.R.S Immune tablets safe during pregnancy?

Oral rehydration salts are generally considered safe during pregnancy, and staying hydrated is especially important when you're expecting. However, you should always check with your GP or midwife before starting any new product during pregnancy or breastfeeding. They can confirm whether the vitamin C and zinc levels in these tablets are appropriate for your individual situation.

What are the side effects of O.R.S Immune tablets?

Side effects are uncommon at the recommended dose. Some people may experience mild nausea, bloating, or stomach discomfort, particularly if the solution is drunk too quickly. Serious reactions such as allergic responses are very rare — stop use and seek medical help immediately if you notice swelling, rash, or difficulty breathing.

Can I take O.R.S Immune tablets if I have diabetes?

These tablets contain glucose, which may affect blood sugar levels. If you have diabetes, speak to your pharmacist or GP before using them, as they can advise on whether this product is appropriate and how to monitor your glucose levels. You may also find our Diabetes Monitoring collection useful for keeping track of your readings.

What happens if I miss a dose of O.R.S Immune tablets?

Unlike prescription medicines, there is no strict dosing schedule for ORS immune tablets — you take them in response to fluid loss or symptoms. If you forget to take one after a loose stool, simply take it as soon as you remember. Do not double up doses to compensate for a missed one.

How long can I use O.R.S Immune tablets for?

These tablets are designed for short-term use during acute episodes of dehydration or illness. If your symptoms persist beyond 48 hours in adults, or 24 hours in children, you should seek medical advice rather than continuing to self-treat. Prolonged diarrhoea or vomiting may indicate an underlying condition that needs investigation.

What are the alternatives to O.R.S Immune tablets?

Standard ORS sachets such as Dioralyte are a well-known alternative, though they do not contain added vitamin C or zinc. Plain electrolyte drinks or homemade sugar-salt solutions are sometimes used, but these are less precisely formulated. For a broader range of gut health and digestive support products, browse our IBS and Cramps collection.

Do O.R.S Immune tablets help with IBS symptoms?

While these tablets are not a treatment for IBS itself, they can help manage the dehydration that often accompanies IBS-related diarrhoea. Replacing lost electrolytes can reduce fatigue and help you feel more comfortable during a flare-up. Always speak to your GP if your IBS symptoms are frequent or severe, as a tailored management plan may be needed.

What does the latest research say about oral rehydration salts?

Oral rehydration therapy has been endorsed by the World Health Organisation and NHS for decades as the safest and most effective way to treat mild to moderate dehydration from diarrhoea. More recent research supports the addition of zinc to ORS formulations, particularly for reducing the duration and severity of diarrhoea episodes. Vitamin C's role in immune function is also well documented in published clinical literature.

Are O.R.S Immune tablets suitable for travel?

Yes — the compact tablet format makes ORS immune tablets an excellent travel companion, particularly if you're visiting destinations where traveller's diarrhoea is a risk. They take up minimal space in your luggage and dissolve quickly in bottled water. For more travel health essentials, take a look at our Travel collection.

How Should You Use O.R.S Immune Tablets?

Using O.R.S Immune tablets correctly is straightforward, but it's worth following the steps carefully to make sure you get the full benefit of the rehydration formula. Always use still water — carbonated water may interfere with the dissolving process and alter the taste.

Never crush or swallow the tablet whole. It must be fully dissolved in water before consumption to ensure the correct electrolyte concentration.

What Is the Correct Dose of O.R.S Immune Tablets?

The dose depends on why you are using the tablets and your age. Always follow the instructions on the packaging, and speak to your pharmacist if you are unsure about the right amount for your situation. Do not exceed the recommended daily intake without professional guidance.

When Is the Best Time to Use O.R.S Immune Tablets?

There is no fixed time of day for taking these tablets — the timing should be guided entirely by your symptoms. Take a tablet as soon as you notice signs of dehydration such as dark urine, dry mouth, dizziness, or fatigue, or immediately after an episode of diarrhoea or vomiting. During illness, spreading doses evenly throughout the day helps maintain consistent electrolyte levels and supports ongoing recovery.

If you are using them for immune support during a cold or flu, taking one tablet in the morning with breakfast is a practical routine. Avoid taking the solution just before bed if you are concerned about fluid intake overnight.

How Long Can You Use O.R.S Immune Tablets For?

O.R.S Immune tablets are intended for short-term use during acute episodes of dehydration, diarrhoea, or illness. Most people will only need them for two to three days until symptoms resolve. If diarrhoea or vomiting persists beyond 48 hours in adults, or 24 hours in children, you should stop self-treating and seek medical advice promptly, as prolonged symptoms may indicate an underlying condition requiring investigation.

For ongoing immune support as part of a daily wellness routine, speak to your pharmacist about whether a dedicated vitamin C or zinc supplement might be more appropriate for long-term use.

Do not exceed the recommended dose. If in doubt, speak to your pharmacist.

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What Are the Most Common Side Effects of O.R.S Immune Tablets?

Most people tolerate O.R.S Immune tablets well, particularly when the solution is prepared correctly and drunk slowly. Side effects at the recommended dose are uncommon, but they can occur — especially if you drink the solution too quickly or on an empty stomach.

  • Mild nausea
  • Bloating or a feeling of fullness
  • Mild stomach discomfort or cramping
  • Increased thirst (temporary, as the body adjusts to electrolyte intake)

These effects are usually short-lived. Drinking the solution slowly over 10–15 minutes rather than all at once can help reduce the likelihood of nausea or bloating.

What Are the Less Common Side Effects of O.R.S Immune Tablets?

Less common side effects are rare at standard doses but worth being aware of. If any of the following occur, stop use and consult your pharmacist or GP.

  • Vomiting — if this happens, wait 10 minutes before trying again and drink more slowly
  • Headache — possibly related to temporary electrolyte shifts, particularly if you are severely dehydrated
  • Diarrhoea worsening temporarily — this is uncommon and usually resolves quickly
  • Mild skin flushing in very sensitive individuals

What Are the Serious Side Effects of O.R.S Immune Tablets?

Serious side effects are very rare when these tablets are used as directed. However, you should seek urgent medical attention if you experience any of the following, as they may indicate a severe allergic reaction or electrolyte imbalance:

  • Swelling of the face, lips, tongue, or throat
  • Difficulty breathing or swallowing
  • Severe skin rash or hives
  • Confusion or unusual drowsiness — which may suggest a significant electrolyte disturbance
  • Muscle weakness or irregular heartbeat (very rare; seek emergency care immediately)

If you have pre-existing kidney disease or are on a sodium-restricted diet, using ORS products without medical supervision carries a higher risk of electrolyte imbalance. Always check with your GP first in these circumstances.

What Should You Do If You Experience Side Effects?

For mild side effects such as nausea or bloating, try drinking the solution more slowly and ensure you have prepared it in the correct volume of water — 200ml per tablet. Do not use more concentrated solutions than recommended. If symptoms persist or worsen, stop use and speak to your pharmacist. You can also report suspected side effects to the MHRA via the Yellow Card scheme at yellowcard.mhra.gov.uk.

Can O.R.S Immune Tablets Interact With Other Medicines?

Significant drug interactions with O.R.S Immune tablets at standard doses are not well documented. However, there are a few considerations worth noting. Taking additional zinc supplements alongside these tablets could push your total daily zinc intake above the recommended safe level — the NHS advises that adults should not take more than 25mg of zinc per day from supplements. Similarly, high-dose vitamin C from multiple sources may affect the absorption of certain medicines, including some antibiotics and iron supplements. Always let your pharmacist know about all medicines and supplements you are currently taking before starting a new product.

If you are concerned about any side effects, contact your pharmacist or GP immediately.

Patient Information Leaflet

Important - Before taking any medication, it is always important to read the Patient Information Leaflet (PIL)

Written and reviewed by our qualified team

GPhC Number: 2233073
Tarun Kumar

Reviewed by:

Tarun Kumar

Superintendent/ Clinical Lead

📖 Find out more about our team of medical content authors and how we ensure the accuracy of our content with our content guidelines.

Content last updated: 31 Mar 2025

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