After-effect

a delayed ; an that follows at some interval the stimulus that produces it.
Medicine/Medical. a result appearing the first due to an agent, usually a drug, has gone.
Contemporary Examples

Al Qaeda in the Islamic Maghreb was not an after-effect of the assault on Benghazi.
In Defense of the Libyan Revolution Bernard-Henri Lévy January 22, 2013

Historical Examples

after-effect of stimulus seen in highly erect curve in upper part of record, taken 20 minutes after.
Life Movements in Plants, Volume II, 1919 Sir Jagadis Chunder Bose

The after-effect of light is modified by the duration of exposure to light.
Life Movements in Plants, Volume II, 1919 Sir Jagadis Chunder Bose

There was no suggestion of an after-effect of the slight concussion of the brain which had rendered him insensible.
The Velvet Glove Henry Seton Merriman

It was the after-effect of his long and difficult river experience.
Carmen Ariza Charles Francis Stocking

This was seen in the acceleration of growth which was the after-effect of stimulation (Figs. 104, 115).
Life Movements in Plants, Volume II, 1919 Sir Jagadis Chunder Bose

The news seemed to stun both men at first, but the after-effect on each was wonderfully different.
Red Rooney R.M. Ballantyne

Another notable point with reference to the action of this reagent is the persistence of after-effect.
Response in the Living and Non-Living Jagadis Chunder Bose

The after-effect of intense cold is seen in the condition of inexcitability persisting for a very long period in the morning.
Life Movements in Plants Sir Jagadis Chunder Bose

The entire duchy of Lorraine was suffering from the same trouble—the after-effect of French ravages and French occupation.
Odd Bits of History Henry W. Wolff

noun
any result occurring some time after its cause
(med) any delayed response to a stimulus or agent Compare side effect
(psychol) any illusory sensation caused by a stimulus that has ceased