Monsoon, non-stop rain, cold weather, and waterlogging (the house of diseases). Well, monsoon weather is here and it is time we all take the precaution and be safe from the diseases spread during this season.
Children get prone to dengue, viral fever, the common cold and more. Well, it is not just our kids that are at risk of getting sick during the rainy season; it's the elderly, working people, and more.
In this blog, we are breaking down which diseases are spread during monsoon season in India. We also give you the tips to get healthy during monsoon season so you can be disease-free and enjoy the weather as it is supposed to be.
What Causes Monsoon Diseases to Spike in India?
You will see quite an increase in infections across India during the rainy season. This happens primarily due to proliferating disease vectors, compromised water infrastructure, and sustained high humidity.
When the heavy rains arrive, they disrupt urban drainage and create optimal biological conditions for viruses, bacteria, and parasites to thrive and transmit rapidly.
The most visible cause of the monsoon spike is the explosion of the mosquito population. As rainwater collects in puddles, construction sites, potholes, and open containers, it creates endless breeding grounds for mosquitoes.
The atmospheric moisture extends the survival rate of adult mosquitoes, allowing them to live longer and bite more individuals, accelerating the transmission cycle.
When sewage mixes with drinking water lines, pathogens spread rapidly. This causes a massive seasonal spike in gastrointestinal infections like Typhoid, Cholera, and Hepatitis A & E.
Prolonged dampness, wet clothes, and sweaty skin create the perfect environment for fungi to multiply. This leads to a high incidence of skin infections, ringworm, and tinea cruris during these months.
Who is Most at Risk This Monsoon?
A certain population is at high risk during monsoon season; it is the kids and elderly. Why kids? Because they spent most of their time playing outdoors, making them prone to mosquitoes' bites.
Adults over 60 often have declining immune function and pre-existing conditions. A dengue infection in an older patient carries a significantly higher risk of severe internal bleeding, rapid platelet drops, and organ dysfunction compared to a younger adult.
Patients managing chronic conditions such as diabetes, hypertension, chronic kidney disease, or asthma face diminished physiological reserves. For instance, a diabetic patient who walks through waterlogged streets is at an exceptionally high risk of developing severe, non-healing skin infections or contracting Leptospirosis through a minor skin cut.
“Children, older adults, and people with chronic conditions should be particularly vigilant during the rainy season, as infections can progress faster and lead to more serious complications."
Experiencing fever, cough, stomach infection, or seasonal flu symptoms this monsoon?
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Common Monsoon Diseases in India
The monsoon season brings welcome relief from the summer heat, but it also creates conditions that allow infections and disease-causing organisms to thrive.
Understanding the most common monsoon diseases and recognizing their symptoms early can help you take timely preventive measures and seek appropriate medical care when needed.
Vector-Borne (Mosquito-Borne) Diseases
Dengue, malaria, and chikungunya are all vector-borne diseases transmitted through mosquito bites. During the monsoon season, these three diseases (along with Japanese encephalitis) become significantly more common due to increased mosquito breeding from stagnant water.
All three diseases spread when an infected mosquito bites a person. The monsoon creates perfect conditions for mosquito breeding due to high temperature, humidity, and stagnant water.
Consult a doctor if you experience:
Water- and Food-Borne Diseases
Typhoid, cholera, hepatitis A, acute gastroenteritis, and leptospirosis are all water and food-borne diseases that spread through contaminated water/food consumption and flood-water contact. These diseases surge dramatically during monsoon due to water contamination, poor sanitation, and flooding.
Leptospirosis spreads through direct contact with contaminated flood water or mud (especially through open wounds/cuts), while the others spread through consuming contaminated water or food.
Consult a doctor immediately if you experience:
Respiratory and Viral Infections
Viral fever, influenza (seasonal flu), and common cold are all respiratory/viral diseases that spread through airborne droplets from coughs/sneezes and thrive in crowded indoor spaces. These diseases are also called airborne diseases and become more common during monsoon due to humid air and sudden temperature fluctuations.
All three spread through airborne pathogens when an infected person coughs, sneezes, or talks without covering their mouth. Crowded indoor spaces increase risk because the virus stays suspended in humid air and spreads easily from person to person.
Consult a doctor immediately if you experience:
Skin and Eye Infections
Fungal skin infections and conjunctivitis (commonly called "eye flu") are skin and eye infections that spread through prolonged dampness, contaminated water contact, and person-to-person contact. These infections become significantly more common during monsoons due to humid weather and increased moisture exposure.
People with diabetes or weak immune systems are more prone to severe skin allergies and infections during monsoons. Common symptoms are itching, rash, inflamed patch, and burning sensation.
See a doctor if:
- Rash spreads quickly
- Severe eye pain
- Significant pain or discomfort
"A sudden high fever during monsoon should never be ignored. Early testing for dengue, malaria, or chikungunya helps ensure timely treatment and prevents avoidable complications."
How to Prevent Monsoon Diseases?
Monsoon season increases the risk of illnesses such as dengue, malaria, chikungunya, typhoid, diarrhea, and fungal skin infections. Prevention is most effective when focused on a few key pillars:
Mosquito & Vector Control
- Empty and clean stagnant water containers at least once a week.
- Check coolers, flower pots, buckets, and rooftop tanks for mosquito breeding.
- Use mosquito repellents, coils, or vaporizers as needed.
- Sleep under mosquito nets, especially in high-risk areas.
- Install or repair window and door screens to keep insects out.
Water & Food Hygiene
- Drink only boiled, filtered, or properly purified water.
- Avoid street food during periods of heavy rain and flooding.
- Do not consume pre-cut fruits sold outdoors.
- Wash fruits and vegetables thoroughly before eating or cooking.
- Store food properly and avoid consuming food that has been left uncovered.
Personal Hygiene
- Wash hands frequently with soap and water, especially before meals and after using the restroom.
- Dry feet and skin thoroughly after getting wet to prevent fungal infections.
- Change out of wet clothes and footwear promptly.
- Avoid wading through floodwater whenever possible, as it may contain harmful bacteria and chemicals.
- Clean and cover any cuts or wounds to reduce infection risk.
Immunity & Nutrition
- Include vitamin C–rich foods such as citrus fruits, guava, amla, and bell peppers in your diet.
- Eat zinc-rich foods like legumes, nuts, seeds, dairy products, and whole grains.
- Stay well hydrated throughout the day.
- Get adequate sleep to support immune function.
- Maintain a balanced diet with plenty of fruits, vegetables, and protein sources.
Home & Environment
- Ensure proper drainage around your home to prevent water accumulation.
- Inspect coolers, planters, and water storage containers regularly.
- Repair leaks and damp areas to reduce mold and fungal growth.
- Damp-proof walls and improve ventilation in humid rooms.
- Keep surroundings clean and dispose of waste properly to discourage pests.
If you develop persistent fever, severe diarrhea, breathing difficulty, dehydration, unusual rashes, or symptoms suggestive of dengue or malaria, consult a healthcare professional promptly. Early diagnosis can prevent complications.
"Many monsoon-related hospital visits can be avoided by something as simple as drinking safe water and consuming freshly prepared food."
How Can Artemis Hospital Help This Monsoon?
Artemis Hospital has a team of experienced infectious disease specialists supported by advanced diagnostic facilities for the early detection and effective treatment of monsoon-related illnesses. Prompt diagnosis of conditions such as dengue, malaria, chikungunya, and other infections enables faster intervention and better recovery outcomes.
Medical emergencies can arise suddenly during the monsoon season. Symptoms such as high fever, severe dehydration, breathing difficulties, dengue-related complications, or injuries caused by slippery roads and heavy rains require immediate medical attention. Artemis offers round-the-clock emergency and trauma care, backed by advanced diagnostics, critical care facilities, and multidisciplinary specialist teams available 24/7.
Article by Dr. Radhika Narsindas
Associate Consultant - Infectious Disease
Artemis Hospitals
