GENERIC AVAILABLE: Yes
PREPARATIONS: Tablets (Extended Release): 8.5, 17, 20, 25.5, 30, 34, and 40 mg.
STORAGE: Tablets should be stored below 30 C (86 F) and should be protected from light and moisture.
DOSING: The recommended dose is 17 to 34 mg or 20 to 40 mg daily depending on the formulation that is used. Doses may be increased at one week intervals. Tablets should be swallowed whole and taken on an empty stomach. Individuals with poor liver function require lower doses of nisoldipine.
DRUG INTERACTIONS: Cimetidine (Tagamet) or any drug that reduces the activity of liver enzymes that break down nisoldipine can increase blood levels of nisoldipine, possibly causing more side effects. Examples of drugs that may reduce break down of nisoldipine include ketoconazole, itraconazole (Sporanox), and erythromycin.
PREGNANCY: The effects of nisoldipine in pregnancy are unknown.
NURSING MOTHERS: It is unknown if nisoldipine appears in breast milk.
Medically reviewed by Eni Williams, PharmD
Reference: FDA Prescribing Information
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