Yes, marijuana has many different effects on general anesthesia for surgery and medical procedures in teens and adults. Let’s jump to find out what they are:

How does marijuana affect general anesthesia in teens?

Smoking pot messes up most organs in the body. Here is the things that can go wrong.

Before General Anesthesia (preoperative)

  • Increased risk of heart attack
  • Anxiety
  • Behavioral problems
  • Craving to smoke marijuana
  • Craving for other illicit substances

During General anesthesia (Intraoperative)

  • Require more anesthesia than those who do not smoke pot. This could be the anesthesia medicine used through the intravenous route or as the anesthesia gas. This shows that marijuana messes up the brain.
  • Heart attacks.
  • Problems with breathing

After General anesthesia (postoperative)

  • Pot smokers also have more pain after an operation because pain medicines don’t work properly on them and they need more pain medicines.
  • These teenagers cannot sleep well after anesthesia (sleep problems).
  • If the surgery and getting out of surgery gets longer, then smoking pot cannot happen in the hospital. Then these teens can go through a withdrawal reaction which is a completely different problem.

Why does marijuana affect general anesthesia in teens?

Marijuana is a dangerous substance that can cause changes in receptors in the body. These changes predispose to the problems mentioned above. The changes in the body can lead to many different effects on organ systems. I am writing some of them below. Click on this link to find more details about these effects.


  • Increase in heart rate
  • Fall in blood pressure
  • Increases risk of heart attack


  • Swelling of breathing pipe
  • Complications during anesthesia like laryngospasm
  • Inflammation of breathing pipe (bronchitis)


  • Anxiety
  • Giddiness
  • Headache
  • Loss of memory
  • Euphoria
  • Pain relief


  • Increases hunger
  • Pain in abdomen
  • Prevents the sensation to vomit (antinausea)


  • Increase breast size in men
  • Increases breast milk production
  • Suppresses ovulation and the chances of pregnancy

What is Marijuana?

Marijuana is a psychoactive drug. Weed is a slang name for marijuana. This comes from the dried flowers of a plant called Cannabis Sativa. Question to you (have you seen this plant? comment yes or no. There are many people who might have seen the plant because this is freely grown in many parts of the world naturally like the northern part of India – Punjab, Haryana, Nepal, Pakistan, Afghanistan, and many other countries (map of these countries on a world map).

Marijuana has so many different names like pot, ganja, hashish, weed, Mary Jane, 420, hemp, and bud. Uffff that’s a lot of different names for this popular thing. Many teenagers try to get access to pot for recreational use and also there are many places that use this medicinal purpose!

How is Marijuana used?

Marijuana is a very commonly used illicit substance amongst teenagers and hence they can have anesthesia anytime.

The pot liquid can be put in a vaping device and smoked. Any amount of pot can be used in that device and it is not possible to predict how much pot goes into the body. what a messy problem!

VIDEO DISCLAIMER: All the views expressed in this video and other videos on the channel are personal opinions of the speakers and do not represent the views of the organizations either past or present they represent MEDICAL ADVICE DISCLAIMER: All content in this video and description including information, opinions, content, references, and links are for informational purposes ONLY. Accessing, viewing, reading, or otherwise using this content, or providing any medical information to the author does NOT create a physician-patient relationship. The information in this video is not intended nor implied to be a substitute for the services of a trained physician or health care professional, or otherwise to be a substitute for professional medical advice, diagnosis, or treatment. You should consult a licensed physician or appropriately credentialed health care worker or your own doctor/healthcare professional in all matters relating to your health or your child’s health or both. Never disregard professional medical advice or delay seeking it because of something you have seen or read in this video.





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