Understanding Summer Diseases and Prevention
know about the summer diseases, what is the cause and what are the various types of summer diseases. Learn how to prevent them.

Written by Dr. Vasanthasree Nair
Reviewed by Dr. Rohinipriyanka Pondugula MBBS
Last updated on 11th Aug, 2025

Introduction
Summer brings sunshine, vacations, and outdoor fun, but it also comes with certain health risks. The hot and humid weather creates the perfect environment for various infections and illnesses. Understanding these summer diseases and how to prevent them can help you stay healthy and enjoy the season to the fullest.
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Common Summer Diseases and Their Symptoms
Common summer diseases and their symptoms include:
1. Heatstroke
Heatstroke is a severe condition caused by prolonged exposure to high temperatures.
Symptoms:
High body temperature (above 104°F or 40°C)
Headache and dizziness
Nausea and vomiting
Rapid heartbeat
Confusion or unconsciousness
2. Dehydration
Loss of fluids due to excessive sweating can lead to dehydration.
Symptoms:
Extreme thirst
Dry mouth and skin
Fatigue and dizziness
Dark yellow urine
Reduced urination
3. Food Poisoning
Bacteria multiply faster in warm weather, increasing the risk of foodborne illnesses.
Symptoms:
Stomach cramps
Nausea and vomiting
Diarrhea
Fever
4. Sunburn
Overexposure to UV rays can damage the skin.
Symptoms:
Red, painful skin
Blisters in severe cases
Peeling skin after a few days
5. Waterborne Diseases (Cholera, Typhoid, Hepatitis A)
Contaminated water can cause infections during summer.
Symptoms:
Diarrhea
Fever and chills
Stomach pain
Jaundice (in Hepatitis A)
6. Vector-Borne Diseases (Dengue, Malaria, Chikungunya)
Mosquitoes thrive in stagnant water, increasing the risk of infections.
Symptoms:
High fever
Body aches
Fatigue
Rashes (in Dengue and Chikungunya)
Causes of Summer Diseases
The causes of summer diseases include:
High Temperatures: Heat exhaustion and dehydration occur due to excessive sweating.
Unhygienic Food & Water: Bacteria grow rapidly in warm conditions, leading to food poisoning and waterborne infections.
UV Exposure: Prolonged sun exposure without protection causes sunburn and heatstroke.
Mosquito Breeding: Stagnant water becomes a breeding ground for disease-carrying mosquitoes.
Prevention Tips for a Healthy Summer
The preventive tips for a healthy summer include:
1. Stay Hydrated
Drink at least 8-10 glasses of water daily.
Include coconut water, lemon water, and buttermilk to replenish electrolytes.
Avoid excessive caffeine and alcohol, as they dehydrate the body.
2. Eat Fresh and Safe Food
Consume freshly cooked meals and avoid street food.
Wash fruits and vegetables thoroughly.
Refrigerate perishable foods to prevent spoilage.
3. Protect Yourself from the Sun
Use broad-spectrum sunscreen (SPF 30+) before stepping out.
Wear light-colored, loose-fitting clothes and a wide-brimmed hat.
Avoid direct sunlight between 10 AM - 4 PM when UV rays are strongest.
4. Prevent Mosquito Breeding
Use mosquito repellents and nets.
Cover water storage containers and clean stagnant water around your home.
Wear full-sleeved clothing in mosquito-prone areas.
5. Maintain Personal Hygiene
Wash hands frequently with soap and water.
Carry a hand sanitiser when outdoors.
Take regular showers to stay cool and clean.
6. Exercise Smartly
Avoid intense workouts during peak heat hours.
Opt for early morning or late evening walks.
Stay in shaded or air-conditioned areas when possible.
When to Seek Medical Help?
If you experience:
Persistent high fever
Severe dehydration (dizziness, no urination for hours)
Uncontrolled vomiting or diarrhoea
Signs of heatstroke (confusion, fainting)
Consult a doctor immediately. Early treatment can prevent complications.
Final Thoughts:
The summer diseases can bring fun but along with it can get diseases too. Dehydration, food poisoning and heat stroke are few of them, it is mainly caused due to high temperature, uv light and unhygienic food and water. Protective yourself from sun and maintaining hygienic conditions can help prevent these diseases.
Health topic carousel:
Doctor's speciality: general practitioner
Text: Consult a top general practitioner for the best advice