Opiate intoxication clinical features

Common symptoms of opiate intoxication include:

• Drowsiness
• Confusion
• Decreased respiratory rate
• Decreased heart rate
• Constricted pupils

If the substance, such as heroin, has been injected, there may be evidence of needle marks (often referred to as 'track marks'), abscesses or vein collapse at injection sites. Opiates such as heroin act at opioid receptors.

Opiate Withdrawal features

Withdrawal from opiates, such as heroin, may include the following symptoms:

• Agitation
• Anxiety
• Muscle aches or cramps
• Chills
• Runny eyes
• Runny nose
• Sweating