How many times can narcan be given
Sarah Cherry
Published Apr 04, 2026
Narcan can be given every 2 to 3 minutes until the person wakes up and breathes normally. There is no maximum dose of Narcan, which means you can give as many doses as needed.
Can narcan be used multiple times?
There’s no limit or maximum number of Narcan doses that can be given to someone. Narcan begins working within 2 to 3 minutes after it’s given. If the person who receives Narcan doesn’t start to breathe normally within that period of time, you should give them another dose of the drug.
How often can IV narcan be administered?
An initial dose of 400 to 2000 micrograms (0.4mg to 2mg) of naloxone may be given intravenously and may, if required, be repeated at 2 to 3 minute intervals.
How long should you wait between administering Narcan?
Naloxone acts in two to three minutes. If the person does not wake up in three minutes, bystanders should give a second dose. (Rescue breathing should be done while you wait for the naloxone to take effect so that the person gets oxygen to his or her brain.)How much IV narcan do you give?
Usage in Adults Opioid Overdose-Known or Suspected: An initial dose of 0.4 mg to 2 mg of NARCAN (naloxone) may be administered intravenously. If the desired degree of counteraction and improvement in respiratory functions are not obtained, it may be repeated at two- to three-minute intervals.
What happens after you give someone Narcan?
Because naloxone blocks opioids from acting, it is possible that it can cause withdrawal symptoms in someone that has a habit, daily opioid pain medication use or other opioid tolerance. Therefore, after giving someone naloxone he or she may feel dopesick and want to use again right away.
How long does narcan last?
The answer to the question, how long does Narcan last, could be an indicator you’re struggling with opioid use. Narcan is a brand name of naloxone that lasts 30 to 90 minutes. While it can help reverse an opioid overdose, what Narcan doesn’t do is serve as a treatment for opioid addiction.
How safe is Narcan?
Side effects from naloxone are rare, but people might have allergic reactions to the medicine. Overall, naloxone is a safe medicine. But it only reverses an overdose in people with opioids in their systems and will not reverse overdoses from other drugs like cocaine or methamphetamine.Can you give Narcan to someone who is awake?
Narcan won’t have any effect on someone who doesn’t need it (someone who is sober from opioids). So it’s safe to give someone Narcan if you think they may have overdosed on opioids but aren’t sure.
How fast can you push Narcan?Full “Emergent” reversal: If the patient is in acute respiratory distress or apneic and unarousable and requires a full reversal, administer 0.4 mg UNDILUTED (entire 1 mL vial) IV push over 15 seconds. May repeat every 2 to 3 minutes as necessary. Maximum dose is 10mg.
Article first time published onDoes narcan make you sleepy?
This means the breathing problems and sleepiness could come back. Always call for emergency help after the first dose of naloxone. Severe opioid withdrawal symptoms may happen suddenly after receiving this medicine.
What drugs interact with Narcan?
- Acetylsalicylic Acid (aspirin)
- Adrenalin (epinephrine)
- Ativan (lorazepam)
- Benadryl (diphenhydramine)
- Cymbalta (duloxetine)
- Dextrose (glucose)
- Dilaudid (hydromorphone)
- Lyrica (pregabalin)
What kind of overdose is Narcan used for?
Naloxone (also known as Narcan®) is a medication called an “opioid antagonist” used to counter the effects of opioid overdose, for example morphine and heroin overdose.
What to do if someone is experiencing an overdose?
- STEP 1: CALL FOR HELP (CALL 911) …
- STEP 2: CHECK FOR SIGNS OF OPIOID OVERDOSE. …
- STEP 3: SUPPORT THE PERSON’S BREATHING. …
- STEP 4: ADMINISTER NALOXONE (if you have access to it) …
- STEP 5: MONITOR THE PERSON’S RESPONSE. …
- Do’s and Don’ts in Responding to Opioid Overdose.
What happens if you don't dilute Narcan?
If yes – give large doses of naloxone (the benefit of saving their life outweighs the risk of inducing withdrawal). If no – titrate smaller doses of naloxone slowly (opioids can be slowly reversed to avoid inducing withdrawal). The goal of naloxone therapy is to immediately reverse the effect of opioids.
Where do you inject Narcan?
The injection should go into the muscle of the thigh, buttocks, or arm. Don’t insert the needle at an angle, administer the Narcan in a straight shot. Wait for it to take effect. As with the nasal spray, the injection of Narcan can take several minutes to take effect.
How much is a can of Narcan?
QuantityPer unitPrice2$70.00$140.00
What is another name for Narcan?
Naloxone is available under the following different brand names: Narcan, and Evzio.
What are the contraindications for Narcan?
There are no absolute contraindications to the use of naloxone in an emergency. The only relative contraindication is known hypersensitivity to naloxone. Although naloxone is effective in reversing opioid overdose in a hospital setting, its use out of the hospital is relatively new.
What happens if you overdose and go to the hospital?
Sleepiness, confusion, and coma are normal and can be dangerous if aspiration occurs. Cool and sweaty skin, or hot and dry skin, are also possible. all these are as a result of overdose medication. Damage to the heart or lungs may result in chest pain.
How can you tell if someone is overdosing?
- Not moving and can’t be woken.
- Slow, shallow breathing or not breathing.
- Blue lips and nails.
- Person may be choking, making gurgling sounds, or snoring.
- Cold, clammy skin.
- Pupils are tiny.
How many pills are too many?
However, taking too many prescription medications can be risky. Taking more than five medications is called polypharmacy. The risk of harmful effects, drug interactions and hospitalizations increase when you take more medications.