ADULTS :- CEREBROVASCULAR AND PERIPHERAL VASCULAR DISORDERS.
ORAL :- INITIALLY 20 MG 4 - 8 TIMES A DAY AFTER MEALS. FOLLOWING IMPROVEMENT 10 MG 3 TIMES A DAY. IM : - 10 - 20 MG 3 TIMES DAILY AFTER GRADULLY INCRESING FROM STARTING DOSE OF 5 MG. IV :- START WITH 0.3 MG/MINUTE IV INFUSION AT A RATE OF 0.2-0.5 MG/ MINUTE ADJUSTING ACCORDING TO RESULT AND EFFECT ON B.P. AND HEART
RATE. IM INJECTION 10 MG EVERY 1-2 HOURS. MAY ALSO BE USED INITIALLY,
MAINTENANCE :- 60 - 80 MG DAILY ORALLY OR IM. RETARD :- 40 MG TWICE DAILY.