Sudden Sniffing Death Syndrome may occur the first time someone abuses an inhalants.
Drug or alcohol withdrawal symptoms may be even more dramatic when these substances have masked prolonged malnutrition, disease, chronic pain, or sleep deprivation.
Undesirable side effects of LSD may decrease over time, and sometimes end within a few months of the last dose of the drug.
Once alcohol reaches the small intestine an individual will begin to feel the effects, and the only thing that reverses the effect is time.