Conjunctivitis cases are rising across India as the monsoon season creates conditions that facilitate the transmission of the contagious eye infection.

The surge in pink eye is significant because the inflammation of the eye's conjunctiva spreads rapidly within households, particularly affecting children and families in regions experiencing heavy rains.

Medical experts said the spike is due to the specific environment of the Indian monsoon, which typically occurs from June to September [1, 2]. High humidity, increased crowding, and rain create an ideal environment for the viral transmission of the infection [2, 3]. Because the condition is highly contagious, it often moves quickly through family units.

Health professionals said strict hygiene is important to curb the spread. To manage the risk, experts have provided 10 simple ways to protect eyes and prevent infection [1]. These guidelines focus on reducing contact and preventing the virus from moving from one person to another.

Similarly, health guidance lists 10 expert tips for managing the condition during the rainy season [2]. These measures are designed to help patients manage symptoms while preventing the infection from reaching other family members.

In babies and young children, the signs and symptoms of conjunctivitis can be more difficult to manage, requiring specific treatment options to ensure the inflammation does not lead to further complications [4]. Health officials said those infected should stay home and avoid sharing personal items to break the chain of transmission.

“High humidity, crowding, and rain during monsoon create conditions that facilitate viral transmission.”

The seasonal recurrence of conjunctivitis in India highlights the intersection of climate and public health. When high humidity coincides with the social density of monsoon sheltering, viral loads increase in shared living spaces. This pattern necessitates a shift in public health strategy toward seasonal preventative hygiene campaigns to reduce the burden on primary healthcare providers during the rainy months.