Dehydration: which solutions?

Symptoms of dehydration

Dehydration can be caused by diarrhea, vomiting, excessive sweating or urination. For example, in the following situations: 

• Stomach flu
• Food poisoning
• Traveller’s diarrhea
• Heat cramps, heat exhaustion or heat stroke 
• Intense physical activity
• Use of medication or natural products that promote increased production of urine (diuretics)
• Excessive consumption of alcohol 

Thirst, darker urine, and decreased urine production are the first signs of dehydration. As it becomes more severe, other symptoms appear:

• Muscle weakness
• Dry mouth
• Headaches
• Sunken eyes
• Feeling weak or light-headed
• Rapid heart rate and breathing
• Confusion, hallucinations

Dehydration : drink the right fluids

Oral rehydration solutions available in pharmacies are among the best options. They provide all the necessary elements, in the right proportions. They come as either ready-to-drink formulas, powder sachets, or popsicles, in a range of flavours. 

Sports drinks can also help when rehydration solutions are unavailable. Homemade rehydration solutions can also be prepared. See below for a recipe you can make at home. It is important to measure the exact quantities as indicated. 

• 360 ml (12 oz.) pure orange juice (no added sugar)
• 600 ml (20 oz.) cooled boiled water
• 2.5 ml (½ tsp.) salt

Avoid the following beverages as they are not adapted to the body’s needs and can worsen the situation: 

• Coffee and tea
• Soft drinks (even flat ones)
• Sweetened drinks or fruit juice
• Alcoholic beverages

Milk is not recommended for rehydrating. If your infant is dehydrated, consult a health professional.

Prevent dehydration

Be careful with medication

People who are taking prescription or over-the-counter medicine should consult their pharmacist for precise instructions if they are dehydrated. This can include temporarily stopping medication or monitoring parameters to seek medical attention. Dehydration, especially when it is caused by vomiting or diarrhea, can alter the efficacy of many medications and can lead to serious problems. 

Whether you are assembling a travel kit before visiting a tropical country or are recovering from dehydration, your pharmacist is there to recommend the right solution for your needs. Don’t hesitate to ask for personalized advice!