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Canary Islands medication safety and heat alerts

Updated 1 time since CLSTR started tracking revisions of this situation.

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2026-08-23 08:51 UTC → 2026-09-09 12:58 UTC · added ~~removed~~

Canary Islands medication safety ~~during high temperatures~~ and heat alerts

Health authorities in the Canary Islands have issued alerts and guidance regarding the risks high temperatures pose to the storage and efficacy of medications. The Canary Islands Pharmacovigilance and Therapeutic Information Center and the Canary Islands Emergency Service (SUC) warned that summer heat can alter certain treatments and increase health risks. Vulnerable populations, including children, the elderly, chronic patients, and dependent individuals, are noted to be at a higher risk for dehydration and related complications. Authorities highlighted that certain drugs—specifically those affecting renal function, electrolyte balance, hydration, or thermoregulation—require increased vigilance. Specific mentions include diuretics, laxatives, and antacids. Official recommendations include strictly following package instructions, respecting refrigeration requirements, and avoiding exposing medicines to direct sunlight or vehicles. Health professionals advise that patients should not consume any medication that shows visible signs of alteration. As extreme heat conditions persist, the Government of the Canary Islands has activated a pre-alert for high temperatures specifically for the islands of Gran Canaria and Fuerteventura, following analysis from the State Meteorological Agency. Authorities continue to recommend that elderly individuals, minors, and those with chronic illnesses avoid direct sun exposure during midday and maintain hydration.

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