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Dosage Guidelines provides typical dosing ranges for adults and pediatrics, plus renal/hepatic adjustments and max daily doses. Always individualize and consult labeling.

Amlodipine

Reference

Adults: 5–10 mg PO once daily. Start 2.5 mg in frail/elderly or hepatic impairment. Max 10 mg/day.

HypertensionAngina

Metformin

Reference

Immediate-release: start 500 mg PO BID with meals; titrate weekly; max 2550 mg/day. Avoid if eGFR < 30 mL/min/1.73m².

Diabetes