readily perceived by the eye or the understanding; evident; obvious; apparent; plain: a manifest error. 2. Psychoanalysis. of or relating to conscious feelings, ideas, and impulses that contain repressed psychic material: the manifest content of a dream as opposed to the latent content that it conceals.
Common stimulants side effects result from an âover-stimulatedâ central nervous system. Stimulant side effects can impair a personâs psychological functions as well as physical or chemical processes in the body. With the more potent drugs varieties, stimulant side effects tend to increase in intensity and severity.
Side Effects of Each. The most common side effects of oxycodone and hydromorphone are similar. Hydromorphone is very potent, so its side effects can be more intense. Side effects for these drugs can include: 1  shallow or light breathing. 2  constipation, which can be severe, especially with extended-release forms.3  drowsiness.ide Effects of Each. The most common side effects of oxycodone and hydromorphone are similar. Hydromorphone is very potent, so its side effects can be more intense. Side effects for these drugs can include: 1  shallow or light breathing. 2  constipation, which can be severe, especially with extended-release forms.