Symptoms that are typical of antidepressant withdrawal include flu-like symptoms, insomnia, nausea, imbalance and sensory disturbances.
Opiates interfere with the transmission of pain messages in the spinal cord, preventing them from reaching the brain and resulting in pain relief.
Side effects associated with Ecstasy use include nausea, blurred vision, rapid eye movement, faintness, and chills or sweating.
Psychological addiction on alcohol may occur with regular use of even relatively moderate daily amounts. It may also occur in people who consume alcohol only under certain conditions, such as before and during social occasions.