Experts Warn Against Common Medicine Storage Mistakes During Monsoon

How to Store Medicines Safely During Monsoon: Expert Tips

The monsoon season in India brings much-needed relief from the summer heat but also poses unique challenges, including the risk of damaging medicines due to high humidity and fluctuating temperatures. Experts warn that improper storage can compromise the effectiveness of medications, even before their expiry dates, making it crucial to follow correct storage practices.

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Why Humidity is a Threat to Medicines

Dr Aravinda S N, Lead Consultant, Internal Medicine at Aster RV Hospital, Bengaluru, explains that excessive moisture and heat can alter the chemical composition or physical structure of medicines. Tablets and capsules are particularly vulnerable, as they can soften, swell, crumble, or stick together. Effervescent tablets and dry powder formulations are also highly sensitive to humidity, while heat-sensitive medicines like insulin, vaccines, and biological drugs require strict adherence to storage guidelines.

Creams and suppositories may separate or soften when exposed to high temperatures, further emphasizing the need for careful storage.

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Common Storage Mistakes to Avoid

According to Dr Aravinda, one of the most frequent errors during monsoon is storing medicines in bathrooms, which are prone to steam and humidity. Similarly, keeping medicines near kitchen sinks, stoves, or windows exposes them to temperature and moisture fluctuations, potentially damaging them.

Another mistake is removing tablets from their original blister packs or transferring them to unsealed containers, which reduces their protection against humidity. Handling medicines with wet hands or failing to tightly seal bottle caps can also allow moisture to seep in.

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Refrigeration: When and Why?

Refrigeration is necessary only if explicitly recommended on the product label or by a healthcare professional. Unnecessary refrigeration can harm medicines intended for room-temperature storage, causing condensation or freezing. For medicines requiring cold storage, the temperature range is typically between 2°C and 8°C.

Dr Pranav Ghody, Consultant Endocrinologist at Wockhardt Hospitals, Mumbai Central, adds that opened insulin pens or vials can usually be stored at room temperature, provided they are shielded from direct sunlight, excessive heat, and humidity. He advises patients to inspect insulin for changes in colour or appearance and avoid using it if exposed to extreme temperatures.

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What to Do If Medicines Get Wet

Flooding or heavy rain can lead to medicines being exposed to water. If this happens, Dr Ghody recommends discarding them immediately, especially if they have come into contact with contaminated water. Wet tablets or capsules should never be dried and reused, even if the packaging seems intact. This applies to all forms of medicines, including syrups, injectables, inhalers, and topical treatments.

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Best Practices for Monsoon Storage

For homes without air conditioning, Dr Aravinda advises storing medicines in a closed cupboard or storage box in the coolest, driest part of the house. Avoid bathrooms, kitchens, windows, and direct sunlight. Medicines should remain in their original packaging, with containers tightly sealed. Many medicine bottles include silica gel packets or desiccant canisters to absorb excess moisture—these should never be removed or consumed.

He also suggests inspecting medicines more frequently during the rainy season. Signs of moisture exposure include soft, swollen, cracked, or sticky tablets; warped or stuck-together capsules; cloudy syrups; or creams that separate, become watery, or change texture or smell. If any of these changes are observed, consult a pharmacist or doctor before use.

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Why Proper Storage Matters

Improper storage during monsoon can render medicines ineffective, posing risks to health and safety. By following expert-recommended practices, such as keeping medicines in dry, cool places and adhering to manufacturer instructions, you can ensure their efficacy and avoid unnecessary health complications. Always consult a healthcare professional for specific guidance tailored to your medications.

Source: Indian Express