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Can heat waves affect how well the pill works?
Most medicines, including many contraceptive pills, should be stored below 25 degrees Celsius to maintain their effectiveness, as explained by pharmacist Ana Carolina Goncalves.
Combined contraceptive pills containing estrogen and progestogen require storage below 25 degrees, while some other pills need to be kept below 30 degrees.
Heat can reduce the potency of the active ingredients and damage the tablet's coating, affecting how the medicine is released and absorbed.
Storing contraceptive pills in hot environments like parked cars, direct sunlight, or humid areas can compromise their hormone delivery and reduce pregnancy prevention reliability.