Final answer:
Thiazides diuretics are contraindicated in clients allergic to sulfonamides.
Step-by-step explanation:
Thiazides diuretics are contraindicated in clients allergic to sulfonamides.
Sulfonamides are a group of drugs that contain a specific chemical structure called a sulfonamide group. Thiazide diuretics, such as hydrochlorothiazide and chlorothiazide, also contain a sulfonamide group. If a client is allergic to sulfonamides, they may have an allergic reaction to thiazide diuretics.
It is important for healthcare professionals to be aware of a client's allergy to sulfonamides before prescribing thiazide diuretics to avoid potential allergic reactions.