What Ozempic and semaglutide do
Ozempic is a brand-name shot made by Novo Nordisk, a drug company. Its active ingredient is semaglutide. Semaglutide is a GLP-1 medicine. It copies a gut hormone that tells your brain you are full and slows how fast food leaves your stomach.
Ozempic is FDA-approved for type 2 diabetes. Wegovy is the same drug approved for weight loss. Zen IV Spa prescribes compounded semaglutide, which is made by a licensed pharmacy and is not FDA-approved, for $199 a month.
The most common side effects are nausea, feeling too full, constipation, and sometimes vomiting. These are strongest in the first weeks and when the dose goes up.
Is there a drug interaction with cannabis?
There is no listed drug interaction between semaglutide and cannabis on the FDA label. Semaglutide is not broken down by the liver enzymes that handle THC, the main active chemical in cannabis. So one does not change blood levels of the other in a known way.
That said, no large study has looked at people using both. 'No known interaction' means we have not found a problem, not that it has been proven safe. Most of what we know comes from basic pharmacology and from patients' reports.
If you use cannabis and are starting semaglutide, tell your prescriber. It is a normal part of a health history and helps them give better advice.
The appetite tug-of-war
Semaglutide turns hunger down. Cannabis, especially THC, turns hunger up. That is the 'munchies.' The two push in opposite directions. Many people say they still get some appetite boost while high, but it is milder than before.
The practical risk is eating a lot of high-fat, salty, or sweet food in one sitting. On semaglutide, your stomach empties slowly. A big greasy meal can sit there and cause strong nausea, bloating, or vomiting hours later.
If you choose to use cannabis, plan ahead. Have protein and fruit nearby rather than chips. Eat slowly and stop when full. This matters more on a GLP-1 than it did before.
Nausea, vomiting, and a rare condition
Both semaglutide and cannabis can cause nausea and vomiting. Together, those effects can stack. Some people find cannabis settles their stomach, but for others it makes it worse.
Heavy, daily cannabis use can also cause cannabinoid hyperemesis syndrome. This is a condition of repeated severe vomiting that only stops when the person quits cannabis. It is uncommon but real, and it is easy to confuse with GLP-1 side effects.
If you are vomiting a lot, cannot keep fluids down, or have belly pain that does not go away, stop and call your prescriber. Dehydration on a GLP-1 can hurt your kidneys, and severe belly pain can be a sign of pancreatitis, a rare but serious side effect.
Smoking, your lungs, and your goals
Smoking anything puts tar and chemicals into the lungs. If your goal is better health, not just a lower number on the scale, that is worth weighing. Edibles and vapes avoid the smoke but carry their own risks, like delayed and stronger effects from edibles.
Cannabis can also affect sleep quality, motivation, and mood in some people. Since weight loss depends on daily habits, anything that makes habits harder is worth watching.
None of this means you have to quit to use semaglutide. It means be honest with yourself about how cannabis fits your plan.
Our approach at Zen IV Spa
Zen IV Spa serves New York and New Jersey with at-home care. We start with a free video visit. If you qualify, our medical director prescribes compounded semaglutide ($199 a month) or compounded tirzepatide ($299 a month), shipped to your door. A licensed nurse can draw labs at your home.
We will ask about cannabis, alcohol, and other substances, not to judge, but to keep you safe and help you get results. You can read more at /weight-loss/ or call (332) 239-2005.
Common Questions
Is it dangerous to use weed on Ozempic?+
There is no known direct drug interaction. The main concerns are stacked nausea, overeating from the munchies, and dehydration from vomiting.
Will weed cancel out my weight loss?+
Not by itself. But if the munchies lead to large, high-fat meals, progress can slow and nausea can get worse.
Can edibles be a problem on semaglutide?+
Semaglutide slows the stomach, which may delay when an edible kicks in. That makes it easier to take too much. Start low and wait.
Should I tell my prescriber I use cannabis?+
Yes. It is part of a normal health history and helps your prescriber watch for side effects.
Is compounded semaglutide FDA-approved?+
No. Compounded medicines are made by a licensed pharmacy and are not FDA-approved. Brand Ozempic and Wegovy are.
Sources: FDA prescribing information for Ozempic (2024) and Wegovy (2024); NIDA, Cannabis (Marijuana) DrugFacts; Cleveland Clinic, Cannabinoid Hyperemesis Syndrome.
All treatments are medical services. Every guest is screened, and every treatment is prescribed by a licensed provider. Nothing on this page is medical advice for you personally, and the opinions summarized here belong to the doctors named, not to Zen IV Spa. Talk to a provider before starting or stopping anything.
