Physical symptoms:
Craving
Despite physical or health problems caused or worsened by the drug the person continues to use the amphetamine
Tolerance – The individual needs to take more of the substance to achieve the desired effects or continuing to take the same amount results in decreasing effects.
Increased Respiration
Increased blood pressure
Dilated pupils
Increased energy, decreased fatigue
Increased alertness
Decreased appetite
Increased body temperature
Behavioral symptoms:
The drug is taken in larger amounts or over a longer period of time than intended
Attempts to cut down are unsuccessful
A great deal of time is spent obtaining, taking or recovering from the substance
Continued use of the substance despite the Inability to fulfill role responsibilities at home, work or school
Giving up important activities
Use in situations the individual knows are dangerous
Social symptoms:
Relationship problems caused or worsened by amphetamine use, yet the individual continues to take the drug
Difficulty with social problem solving
When large amounts are used: over-talkativeness, manic like social presentation and failure to read social cues