Polysubstance Use Facts

Polysubstance Use Facts

What is polysubstance use?

The use of more than one drug, also known as polysubstance use, is common. This includes when two or more are taken together or within a short time period, either intentionally or unintentionally.

Intentional polysubstance use occurs when a person takes a drug to increase or decrease the effects of a different drug or wants to experience the effects of the combination.

Unintentional polysubstance use occurs when a person takes drugs that have been mixed or cut with other substances, like fentanyl, without their knowledge.

Whether intentional or not, mixing drugs is never safe because the effects from combining drugs may be stronger and more unpredictable than one drug alone, and even deadly.

Mixing drugs is never safe because the effects from combining drugs are often stronger, more unpredictable, and even deadly.
What about prescription drugs?

The dangers of polysubstance use also apply to prescription drugs. Always let your doctor know what drugs you are taking to prevent any adverse reactions with newly prescribed medications. Never take pills that did not come from a pharmacy and weren’t prescribed to you.

Get the facts

250+ —The number of American lives lost to drugs every day.1

50% — In 2019, nearly half of drug overdose deaths involved multiple drugs.2250 — The number of American lives lost to drugs every day

The dangers of polysubstance use

polysubstance use-uppers icon

Mixing stimulants

Examples of stimulants: ecstasy (MDMA), cocaine, methamphetamines, amphetamines (speed)

Stimulants (also known as uppers) can increase your heart rate and blood pressure to dangerous levels and increase your risk of several serious health problems. Combining stimulants may even directly or indirectly increase your risk of:

  • Brain injury
  • Liver damage
  • Heart attack
  • Stroke

Signs of use/overdose3,4 that may occur when mixing stimulants:

  • Fast/troubled breathing
  • Increased body temperature
  • Nausea or vomiting
  • Chest pain
  • Seizures or tremors
Polysubstance Use Downers

Mixing depressants

Examples of depressants: opioids (heroin, morphine, oxycodone, hydrocodone, fentanyl), benzodiazepines

Depressants (also known as downers) can slow down your breathing and increase your risk of several adverse health outcomes. Combining depressants can also directly or indirectly increase your risk of:

  • Damage to the brain and other organs
  • Overdose
  • Death

Signs of use/overdose5,6 when mixing depressants:

  • Slow breathing
  • Weak pulse
  • Altered mental status or confusion
  • Passing out
polysubstance use uppers downers

Mixing stimulants and depressants

Mixing stimulants and depressants doesn’t balance or cancel them out. In fact, the results of combining drugs are unpredictable, often modifying or even masking the effects of one or both drugs. This may trick you into thinking that the drugs are not affecting you, making it easier to overdose.

Polysubstance Use Wine / Pill Icon

Drinking alcohol while using other drugs

Drinking alcohol while using other drugs isn’t safe. Alcohol is a depressant with similar effects to other downers. Mixing alcohol with other drugs can increase your risk of overdose and serious damage to the brain, heart, and other organs.

What to do if you think someone is overdosing

It may be hard to tell whether a person is high or experiencing an overdose. If you aren’t sure, treat it like an overdose—you could save a life.

  • one Call 911 Immediately.*
  • two Administer naloxone, if available. **
  • three Try to keep the person awake and breathing.
  • four Lay the person on their side to prevent choking.
  • five Stay with the person until emergency assistance arrives.

*Most states have laws that may protect a person who is overdosing or the person who called for help from legal trouble.

**Naloxone is a life-saving medication that can reverse the effects of opioid overdose and save lives. It is available in all 50 states and can be purchased from a local pharmacy without a prescription in most states.

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