77.下列何種藥品會影響ketoconazole吸收?
(A)cimetidine
(B)captopril
(C)acarbose
(D)penicillin G
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統計: A(2698), B(10), C(58), D(41), E(0) #537468
統計: A(2698), B(10), C(58), D(41), E(0) #537468
詳解 (共 3 筆)
#784644
(一)提高胃的酸鹼值而改變藥品的溶解、崩解及離子化:
(a)弱酸性的藥物,在低的酸鹼值下吸收較好,此時為非離子化狀態,因為與制酸劑併用產生離子化,使其吸收減少而降低藥效(如digitoxin、digoxin、phenytoin、chlorpromazine與isoniazid)
(b)鹼性藥物與制酸劑併用,因其PH值的增加,使其產生非離子化,易通過細胞膜吸收,使其作用增加可能產生毒性及副作用(如pseudoephedrine、levodopa與meperidien)
24
1
#1065509
When these two medicines are taken together, acarbose and miglitol may be broken down by digestive enzymes (e.g. amylase or pancreatin).
9
0