The medication won't begin to take effect for 3-4 hours.
Take-effect Sentence Examples
After the general election of 1880, however, the Ministerialists, aided by a number of factious Conservatives, passed a third bill repealing the grist tax on wheat (10th July 1880), the repeal to take effect from the 1st of January 1884 onwards.
It was during this period that the forces which finally raised the country above the level of the sea began to take effect.
A drug has to have high solubility for the treatment to take effect quickly.
By the time he had attached a handle to this sword he was having much trouble to breathe, as the charm of the Sorcerer was beginning to take effect.