Travelling to exotic countries comes with many pleasures, but also with certain threats to health. One of the most important aspects worth paying attention to is drinking water. Even brief contact with inappropriately treated water can lead to serious digestive problems, such as the so-called "pharaoh's revenge" in Egypt or "Delhi belly" in India. The symptoms may include diarrhoea, dehydration, abdominal pain and weakness, which significantly hinders travelling.
In this article we'll present universal rules for the safe use of water on an exotic trip. These tips are intended for all travellers, regardless of country of origin, and will allow you to avoid unpleasant ailments while enjoying the journey without worrying about your health.
How to assess water quality in a new country
On an exotic trip the basic challenge is determining which water is safe to drink. Not every water available in local taps is fit for consumption, even if in the country you're travelling to the waterworks function efficiently. Tap water may contain bacteria, parasites or chemical substances that don't pose a problem for local residents, but for visitors may cause serious digestive ailments.
The most reliable alternative is bottled water. It's worth choosing bottles with a factory-sealed cap or screw top, checking whether the packaging hasn't been tampered with. Bottled water should be marked with the manufacturer's label and have an expiry date. In many exotic countries the production standards of bottled water are strictly regulated, which makes it the safest choice for tourists.
It's also worth knowing the local standards and regulations regarding drinking water. In some countries tap water is treated, and drinking it carries no risk, whereas in others it's permissible only for cooking or washing dishes. When travelling to countries with lower sanitary standards, such as India, Egypt or some countries of Africa and South-East Asia, it's worth adopting the principle that tap water is always risky.
A simple, quick method of initial assessment of water quality is using your senses. You should pay attention to:
- Smell: water should be neutral, without perceptible chemical or musty notes.
- Taste: drinking water shouldn't have a distinctly metallic, salty or chemical taste.
- Clarity: water should be transparent, without sediment, cloudiness or floating particles.
Although these simple sensory tests won't replace professional analyses, they're an effective way to quickly recognise potentially dangerous water and avoid health problems on the trip.
Safe water sources on the trip
Safe hydration on an exotic trip is the foundation that can protect you from serious health problems. Bottled water with a factory seal is the most reliable choice in almost every country. When buying, you should always check a few elements: whether the cap or screw top is intact, whether the label is legible and has a current expiry date, and also whether the manufacturer is credible. Bottled water should come from proven brands, available in supermarkets, kiosks and at airports. Avoid water sold loose or in suspiciously cheap bottles, because in some countries counterfeits occur, or local tap water repackaged into bottles.
Water available in hotels and restaurants requires caution. In the best situation it's served from sealed bottles. It's worth making sure that the waiter or hotel staff actually use factory-sealed water, and not boiled tap water or from a jug. In local restaurants you should ask about the source of the water or use your own bottles. In shops, check the labels, expiry dates and the tightness of the caps carefully – in some countries bottled tap water is sold under a local brand and isn't always fully safe.
In emergency situations an excellent solution is boiling the water. The water should be boiled for at least 3–5 minutes, depending on the altitude above sea level. Boiling destroys most bacteria, viruses and parasites that can cause digestive problems. Boiled water is safe for drinking and preparing meals, however you should remember that it doesn't remove chemicals, heavy metals or an unpleasant mineral taste. That's why boiled water works best as a temporary or emergency solution.
For people travelling actively or in regions with limited access to drinking water, it's worth using portable travel filters. The most popular include:
- Steripen – a portable UV steriliser that destroys bacteria, viruses and parasites within a few dozen seconds. It's light and convenient for a backpack.
- Gravity filters – large bags or filtering jugs, ideal for camps and trekking. The water flows through a special filtering cartridge that removes microorganisms.
- Pump filters – they work like a hand pump, passing water through a cartridge removing bacteria, cysts and most contaminants. Excellent in mountain regions and near rivers.
An important element of using filters is their maintenance – the filtering cartridge should be regularly rinsed and replaced in accordance with the manufacturer's instructions, to maintain effectiveness. Some filters also cope with the unpleasant taste of water, which increases the comfort of drinking on the trip.
Additionally, it's worth remembering a few practical rules:
- Store water in clean bottles or flasks – avoid leaving it in open vessels.
- Don't use tap water for washing fruit and vegetables if you're not sure of its quality.
- In tropical and hot regions drink small amounts of water regularly – it's better to avoid dehydration, which increases the risk of stomach problems.
Using safe water sources requires awareness and planning, but gives certainty that the trip will be comfortable and free of digestive problems. Bottled, boiled or appropriately filtered water is the foundation of healthy hydration in every exotic country.
Peli Air 1535 cabin cases
Water treatment products
On an exotic trip you can't always rely solely on bottled or boiled water. That's why it's worth having additional water treatment products with you. Thanks to them you can safely use local water sources, rivers, streams or even tap water in hotels of dubious quality. The most popular methods are tablets, portable filters, chemical agents and boiling the water.
Water disinfection tablets
Water treatment tablets are one of the simplest and lightest ways to protect yourself against bacteria and parasites. The most commonly encountered are tablets containing iodine, chlorine or active oxygen. Their action consists of destroying microorganisms in the water, which significantly reduces the risk of digestive problems.
How to use tablets:
- The water should be transparent – if it's cloudy, it's best to filter it through a clean cloth before adding the tablet.
- Carefully follow the manufacturer's instructions – the action time of the tablets depends on the temperature and quality of the water.
- After applying the tablet, wait the indicated time before consuming the water (usually 30 minutes to an hour).
- Don't use more than the recommended dose – an excess of iodine or chlorine can cause an unpleasant taste and side effects.
Portable filters and filtering jugs
Portable filters are an excellent solution for active people who travel in regions where drinking water is difficult to obtain. They can remove bacteria, cysts and most parasites. Depending on the type, filters may be pump, gravity or jug. Each of them has its advantages and limitations:
- Pump filters: enable quick treatment of water from rivers and lakes, but require manual work and maintenance.
- Gravity filters: ideal for camps or groups of travellers – the water flows by itself through the filtering cartridge, but the process can take several hours.
- Filtering jugs: convenient in hotels or hostels, they remove bacteria and mechanical contaminants, but don't always eliminate viruses.
It's important to regularly clean and replace the filtering cartridges in accordance with the manufacturer's instructions, to maintain the filter's effectiveness and avoid the multiplication of bacteria in the filter.
Boiling the water
Boiling water is one of the oldest and most reliable methods of treatment. Boiling water for at least 3–5 minutes kills most bacteria, viruses and parasites. In the case of travel to the mountains or to areas of high altitude above sea level, you should extend the boiling time, because water boils at a lower temperature and microorganisms can survive a shorter cooking time.
Boiled water is suitable not only for drinking, but also for preparing meals and washing fruit or vegetables. It doesn't, however, remove chemicals or heavy metals, which is why if you suspect chemical contamination, it's best to use tablets or filters.
Chemical supporting agents
Drops and liquids for disinfecting water are a convenient alternative to tablets. They work on a similar principle – they destroy microorganisms in the water, but can act faster and don't change the taste of the water as distinctly as tablets. It's important to use them in accordance with the manufacturer's instructions, adjusting the amount to the volume of water and the time of contact of the agent with the water.
A combination of methods often gives the best results – e.g. filtering the water through a jug or portable filter, and then applying tablets or drops, ensures maximum protection against bacteria, viruses and parasites. Thanks to this you can safely use local water sources, even in countries with lower sanitary standards.
Where to avoid drinking water
When travelling around exotic countries, it's worth knowing which water sources you should absolutely give up, to avoid digestive problems and illnesses. Even if the water looks clean, it may contain bacteria, viruses or parasites that pose a serious threat to travellers. Below we present places and situations that are better avoided.
Tap water in exotic countries
In many exotic countries tap water isn't fit for drinking. This concerns, among others, India, Egypt, Mexico and many countries of Africa and South-East Asia. Even if local residents drink tap water without problems, a tourist's body may react with strong diarrhoea, dehydration and abdominal pain. In such regions it's best to use exclusively bottled or boiled water.
Ice in drinks
Ice in drinks can be just as risky as tap water. In some countries ice is produced from local water that isn't appropriately treated. In restaurants and bars it's always worth asking whether the ice was prepared from bottled water. If you're not sure, it's better to avoid drinks with ice, especially in tropical and subtropical regions.
Water from public fountains, rivers and streams
Natural sources, such as fountains, rivers, streams or lakes, often seem attractive and inviting to drink from, especially during long excursions or trekking. However, water from these sources may contain bacteria, parasites and viruses that cause serious digestive problems. Even if the water seems clean and transparent, drinking it without prior boiling or filtering carries a risk of illness. It's better to use bottled water or to use travel filters and chemical treatment agents.
Drinking from a "local bottle" of unknown origin
In some countries, even in Europe, situations occur in which bottled water is sold in local bottles, originating from the tap or other uncertain sources. Examples include Italy, Turkey, and also some countries of South Asia. In such cases the label may look official, but the water isn't safe to drink. To avoid problems, it's always worth buying water from reputable manufacturers or checking whether the bottle has a factory seal and a current expiry date.
To sum up, the safest water sources on a trip are bottled water with a factory seal, boiled water or appropriately filtered water. It's worth being cautious and avoiding risky sources, so that the trip remains comfortable and healthy.
Peli ATX travel suitcases
Curiosities and local practices
Travelling to various exotic countries means not only discovering new cultures and landscapes, but also adapting to local customs connected with drinking water. Interestingly, what's completely safe for the residents of a given region may pose a serious threat to visitors. Knowledge of local practices and potential traps allows travellers to avoid health problems and prepare appropriately for consuming water.
Egypt: alcohol as a "protective agent"
In Egypt there's a popular myth among travellers that a small amount of alcohol protects against the so-called "pharaoh's revenge." Historically this is explained by the fact that alcohol with a high ethanol content can partly destroy some bacteria in the digestive tract. However, medically this isn't an effective method of protection – alcohol doesn't remove viruses or most water parasites that can cause diarrhoea or dehydration. For this reason alcohol should be treated solely as a cultural curiosity, and not as real protection against illness. Safe hydration in Egypt requires using bottled, boiled or filtered water and avoiding ice and tap water.
India: "bottled tap water"
India is a country in which travellers must exercise particular caution regarding drinking water. You can often come across so-called "bottled tap water" – sold in local shops as drinking water, which isn't always fully safe. How to recognise authentic drinking water? Above all you should check the manufacturer's brand and choose reputable companies available in larger supermarkets. It's also important that the bottle has a factory seal – an intact screw top is the basis of safety. Another criterion is a legible label and an expiry date. It's worth avoiding water sold loose or in street kiosks, because it may come directly from the tap and not be appropriately treated. In some cases travellers use a combination of travel filters and disinfection tablets, to additionally increase safety.
Italy and the countries of Southern Europe
Although Italy, Greece, Spain and Portugal are European countries, the practices connected with drinking water in restaurants may surprise tourists. In many establishments the water in restaurants is filtered or treated, but isn't always fully safe for visitors. In small, local restaurants and trattorias tap water is often served in jugs, and the residents drink it without problems thanks to habit and the body's resistance. Tourists are advised to ask for bottled water with a factory seal or to make sure that the filter used in the establishment is regularly cleaned and replaced. Additionally, it's worth observing the local customers – if they don't drink tap water, it probably isn't fully safe for visitors.
South America, Africa, South-East Asia
In the countries of South America, Africa and South-East Asia, access to drinking water is very varied. In large cities you can easily find bottled water from reputable manufacturers, whereas in smaller towns or in tropical areas access to safe water may be limited. In such regions travellers should always have water treatment products with them – travel filters, tablets or chemical disinfecting agents. You should avoid drinking water from public fountains, rivers, streams, and also ice prepared from local water, because this is a frequent way of transmitting bacteria and viruses. It's also worth remembering that regional differences affect the availability of drinking water – in cities the tap water may be safe, whereas in villages or during trekking in the jungle you should use exclusively boiled or filtered water.
Knowledge of local customs and practices regarding drinking water allows travellers to make informed decisions and safely enjoy the journey. Even in countries that at first glance seem safe in terms of sanitation, it's worth being cautious, using proven water sources and avoiding risky situations. Thanks to this the trip will remain comfortable and free of digestive problems, and the tourist will be fully prepared for every exotic challenge.
Peli check-in travel suitcases
Additional precautions
Safe use of water isn't only the choice of an appropriate source, but also exercising caution in everyday situations on the trip. Even in countries where bottled water is widely available, a lack of hygiene or carelessness when eating and drinking can lead to digestive problems.
Washing hands and fruit and vegetables
The basic precaution is regular washing of hands, especially before eating and after contact with public places. In exotic regions it's often worth using bottled or boiled water for washing hands, especially if the tap water may be contaminated. Alternatively, alcohol-based disinfectants work well.
Fruit and vegetables should be washed exclusively in safe water. In the tropics fruit is often sold cut or prepared at street stalls – if you're not sure about the source of the water used for washing, it's better to give them up or peel them yourself at the hotel. In the case of unpeeled vegetables and fruit, it's additionally recommended to boil the water or use filters if you're planning to prepare them yourself.
Avoiding "mixed" drinks in uncertain establishments
Mixed drinks, cocktails or drinks prepared in local bars may pose a risk if the ice or water used for mixing comes from an uncertain source. In many tropical and subtropical regions local bartenders use tap water to dilute drinks or prepare ice. To minimise the risk, it's best to consume drinks without ice, choose bottled waters or high-proof alcohols in small amounts that aren't mixed with local water. This allows you to avoid digestive-tract infections and unpleasant ailments during the trip.
Watch out for water in the jungle, desert and high mountains
During expeditions into difficult terrain, such as jungles, deserts or high mountains, access to safe water is limited, and the risk of infections grows. Water from natural sources may contain bacteria, parasites and viruses. In such situations it's best to take a portable travel filter, disinfection tablets or chemical treatment agents with you. In the mountains you should additionally remember that boiling water requires a longer time because of the lower boiling temperatures, and in deserts and the tropics frequent drinking of water is necessary to avoid dehydration and health problems.
How to react at the first symptoms of diarrhoea or dehydration
Despite caution, on a trip the first symptoms of diarrhoea or dehydration may occur. In such a situation you should act quickly:
- Drink small amounts of water regularly, preferably boiled, filtered or bottled, to avoid dehydration.
- Replenish electrolytes – isotonic drinks, salt and glucose in powder or ready-made electrolyte mixtures help restore the mineral balance.
- Avoid heavy meals – light food is best, boiled and well-washed fruit or vegetables.
- Observe the symptoms – if the diarrhoea is intense, fever appears, blood in the stool or the symptoms of dehydration intensify, you should report to a local doctor or medical point as soon as possible.
A conscious approach to drinking water and observing basic rules of hygiene significantly reduces the risk of digestive-tract illnesses. Additional precautions allow travellers to enjoy exotic destinations without health problems and ensure comfort and safety throughout the journey.
Useful traveller's equipment
When travelling around exotic countries, it's worth preparing appropriate equipment that will ensure access to safe water in any conditions. Well-chosen water treatment products and practical accessories increase the comfort of the trip and minimise the risk of digestive problems.
List of essential items
The traveller's basic equipment should include:
- Travel filter: a portable or gravity filter that removes bacteria, parasites and most contaminants. Ideal for trekking, mountain expeditions, jungles or tropical regions.
- Water disinfection tablets: containing iodine, chlorine or active oxygen, which enable quick water treatment in emergency situations.
- Flask with a filter: a convenient solution for everyday use of water, allows you to drink water from uncertain sources after filtration.
- Portable UV steriliser: e.g. Steripen, which within a few dozen seconds destroys bacteria, viruses and parasites, effective especially during longer expeditions.
Division into mandatory and optional elements
Not all accessories are necessary on every trip, which is why it's worth dividing them:
- Mandatory: water disinfection tablets, a flask with a filter – they provide basic protection in every region and are light to carry.
- Optional: a gravity or pump travel filter – useful in trekking and travel to regions with limited access to bottled water; a portable UV steriliser – convenient for quick disinfection of water in emergency situations.
Additionally, it's worth taking small bags or bottles for storing filtered water and a set for replenishing electrolytes – especially in the tropics or during active leisure.
How to pack water treatment products
Packing water treatment accessories requires attention, so that they're easily accessible and compliant with airline rules:
- Carry-on baggage: water disinfection tablets and a portable UV steriliser can be taken in carry-on baggage. It's worth keeping them in a separate, tight container, to avoid contact with other items and possible damage.
- Checked baggage: larger travel filters, filtering jugs or flasks with a filter can be packed into checked baggage. If the filter contains a replaceable cartridge, it's best to take it out and secure it separately, to avoid damage during transport.
- Easy access: on the trip it's always worth having at least tablets and a flask with a filter within reach, so that in emergency situations you can immediately treat water.
Well-chosen equipment and the appropriate packing of water treatment products allow you to travel in any conditions, minimising the risk of digestive-tract illnesses and ensuring comfortable hydration throughout the expedition.
Summary and the most important rules
Safe drinking of water on an exotic trip requires preparation, caution and common sense. Below we present the most important rules worth remembering, to avoid digestive problems and enjoy a comfortable journey.
The most important "must remember" rules
- Always choose safe water sources: bottled water with a factory seal, boiled or appropriately filtered.
- Check labels and expiry dates: especially in countries where "local" water may be uncertain.
- Avoid ice in drinks: if you're not sure it was prepared from safe water.
- Take care of hand hygiene: wash them before meals and after contact with public places; use bottled water or disinfectants.
- Watch out for fruit and vegetables: wash them only in safe water or peel them yourself.
- Water treatment products: always have tablets, a travel filter or a UV steriliser within reach, especially in difficult regions.
- Caution with local practices: alcohol, local filters or "bottled tap water" don't always protect – get to know the customs and use proven sources.
- React quickly to the first symptoms of diarrhoea: drink safe water, replenish electrolytes, avoid heavy food and if necessary contact a doctor.
- Planning and awareness: prepare your equipment, think through access to water in the region and always have an alternative water source.
- Common sense: don't risk drinking water from suspicious sources – the comfort and safety of the trip are more important than a momentary saving or convenience.
A conscious approach to drinking water allows you to enjoy the journey to the full, avoiding unpleasant surprises and digestive-tract illnesses. Planning, the preparation of appropriate equipment and observing simple rules are the key to comfortable and safe travel around exotic countries.
