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A member asked:
Hi i have a few questions about the medicine i'm taking. it's losartan/hctz 50-12.5 mg for high blood pressure. it says to avoid sunlight. why is that
5 doctors weighed in across 2 answers
HCTZ (hydrochlorothiazide) and UV exposure: Hydrochlorothiazide (HCTZ) is a well known cause of photoallergic skin reactions. This results from ultraviolet radiation exposure converting the drug (or its metabolites) into allergens (photoallergens), which then result in immune activation and, consequently, cutaneous eruptions. Of course these reactions do not occur in all people, but they are not uncommon.
Answered 11/3/2015
2.1k views
Sun sensitivity: Some meds such as diuretics, i.e. The HCTZ (hydrochlorothiazide) in this combination can cause your skin be more sensitive to burning in the sun...
Answered 5/30/2018
2.1k views
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