1) Social withdrawal – Those suffering from drug addiction, particularly prescription drugs, tend to withdrawal socially and disassociate themselves from loved ones.
2) Sluggishness and loss of coordination – For those who attempt to work a 9 to 5 job and assume day-to-date activities, they may show signs of sluggishness, overall lethargy, and impaired coordination
3) Increased irritability – Is your loved one becoming increasingly irritable? Do you find that even the slightest thing sets him or her off? Is he or she quick-tempered, easily angered, and often frustrated?
4) Frantic, irrational, and emotional behavior – Those suffering from painkiller addiction can exhibit signs of emotional, irrational behavior and even general moodiness. They tend to be up and down, especially when the drug is not readily available. Their moods fluctuate through the day, sometimes drastically.
5) Blackouts and general forgetfulness – Is your loved one becoming unexpectedly forgetful? Does your loved one have blackout episodes where he or she has no recollection of what he or she did last night?
6) Inability to concentrate – This can make it difficult for a person to work, go to school, take direction from teachers and supervisors, carry on a conversation, drive, or perform even the simplest of day-to-day activities.
7) Pinned or constricted pupils – Those suffering from painkiller addiction, particularly heroin addiction, will often have pinned or constricted pupils – very, very tiny pupils. Their pupils do not react quickly to a flashlight being flashed before their eyes or when stepping out into the sun, which is a natural reflex of the body.
8) Withdrawal symptoms – Physical withdrawal symptoms when use of the drug is discontinued. These symptoms include chills, fever, bone and muscle aches and pains, nausea, mood swings, vertigo, insomnia, and more. Symptoms may also include constipation and / or dirrhea.
9) Increased tolerance – The need to use the painkiller more, which signifies a person has developed a tolerance to the drug.
10) Using a drug beyond its medicinal use – If a person is using a drug beyond its intended medicinal use, even a drug he or she was prescribed by a doctor, this is considered abuse. You should only follow the instructions on the label printed on the outside of the prescription bottle. Anything beyond that is abuse.
11) Paranoid – Paranoia and anxiety are symptoms a person may she when he or she can not get his or her hands on the prescription drug. This is also one of the earliest signs of withdrawal. It shows extreme emotional distress.