Neither label is a reliable guide for anxiety. A 2021 genetic study found that “indica” and “sativa” labels track little of the plant’s genetic makeup, and the NIDA cannabis research page lists the amount of THC and your experience with cannabis among the things that make anxiety, fear and panic more likely. Early human trials on CBG and limonene are interesting but small, so they don’t settle anything for anxiety yet.
Is indica or sativa better for anxiety?
The label won’t tell you much. A 2021 genetic study of cannabis labels, published in Nature Plants, analyzed over 100 samples and found that Sativa- and Indica-labelled samples were genetically indistinct on a genome-wide scale. The labels tracked only a small number of terpenes.
WebMD sums up the expert view this way: you can’t look at a cannabis plant and predict how it will affect your body. It also notes that one study found strains labeled indica were just as closely related to strains labeled sativa as they were to other indica strains (WebMD indica vs. sativa guide).
Why does cannabis make my anxiety worse, and does indica or sativa cause it?
Cannabis products with THC can change mood, thoughts and perceptions. NIDA says anxiety, fear, distrust, panic or hallucinations are more common when a person takes a large amount, uses a strong product with high THC, or has little experience with cannabis. NIDA also notes that cannabis can affect people differently depending on the amount, potency, ingredients, how it is taken, other drugs, medical conditions, age, sex, genetic differences and experience (NIDA cannabis research page).
Based on the 2021 study above, the label is not a dependable signal of what is in a product, so it cannot tell you whether that product will make you anxious. A dispensary blog argues that high-THC products are more likely to cause paranoia whatever their label says. NIDA lists large amounts and high-THC products among the things that make anxiety more common.
If you have had a panic-like reaction to a cannabis product, the pattern NIDA describes for large amounts and strong products is the likely place to look. If panic symptoms are taking over, read anxiety-product ads and panic symptoms, which covers when urgent support matters more than a purchase. The CDC says to call 911 in an emergency (CDC cannabis health effects). For the difference between a short-term panic reaction and ongoing worry, see thc and anxiety.
Should I smoke sativa or indica if I have anxiety?
Choosing by label is a weak strategy, for the reasons above. The more useful questions are how much THC is in the product, how strong it is, how you take it and how much experience you have, all of which NIDA lists as factors. Smoking adds its own concern. The CDC says smoked cannabis, regardless of how it is smoked, can harm lung tissues and cause scarring and damage to small blood vessels. The CDC also says cannabis can make the heart beat faster and raise blood pressure immediately after use (CDC cannabis health effects).
What do indica and sativa labels say people feel?
WebMD describes the common reports for each label. These are descriptions, not trial results on strains.
| Label | What WebMD says people report | Where that comes from |
|---|---|---|
| Indica | A relaxing, soothing feeling in the body for many people. WebMD links its higher myrcene to a sleepy feeling and lists insomnia, pain and fatigue among its uses. Anxiety and depression are not on that list. | WebMD’s description, plus a large survey that WebMD says found indica is preferred when treating symptoms and reducing pain. |
| Sativa | More likely to cause euphoria and an energy boost, so you may feel more tickled than on indica. Listed uses include stress, anxiety, depression and PTSD. | WebMD’s description. WebMD cites animal research on sativa and depression and says more research is needed in people. |
So people often prefer indica for pain and body relaxation, and sativa for an energizing, mentally active high, as WebMD describes it. Neither label is a guarantee. For sleep, WebMD ties indica’s reputation to myrcene, but the sleep research on cannabinoids is about specific compounds, not labels. A 2024 sleep trial of cannabinoid formulations compared non-psychoactive products, not indica and sativa.
Is indica or sativa good for anxiety and depression?
The human research on cannabis and anxiety is small. The NCCIH says a small amount of evidence from studies in people suggests cannabis or cannabinoids might help reduce anxiety. One study it describes followed 24 people with social anxiety disorder, who had less anxiety in a simulated public speaking test after taking CBD than after a placebo. Four studies suggested cannabinoids may help anxiety in people with chronic pain, although those participants did not necessarily have anxiety disorders (NCCIH cannabis fact sheet).
For depression, the CDC says cannabis use has been linked to depression, but scientists don’t yet fully understand the relationship. WebMD lists depression among sativa’s uses and not among indica’s, but it cites only animal research for sativa and depression. For the wider picture, see cannabis and mental health.
What do the newer studies on single compounds show?
These studies look at single compounds, not strain labels. Each one is small or short, so read them as early research.
CBG (human crossover trial, 2024). A double-blind, placebo-controlled crossover field trial in Scientific Reports gave 34 healthy adults hemp-derived CBG or a placebo tincture. Compared with placebo, CBG produced a significant overall reduction in anxiety and a reduction in stress at one point in the session. The authors note that earlier preclinical research, which is not human research, had suggested anxiety effects. They write that CBG “may represent a novel option to reduce stress and anxiety in healthy adults” (2024 CBG field trial).
Limonene and THC (human study, 2024). In healthy adults who intermittently use cannabis, vaporized D-limonene selectively mitigated the acute anxiety-causing effects of THC, according to the study title in Drug and Alcohol Dependence (2024 limonene and THC study). This is about limonene reducing THC’s acute effects, not a treatment for an anxiety disorder.
Terpinolene (lab, computer and animal studies). A 2021 terpinolene systematic review covers in silico, in vitro and in vivo studies. Those are computer, lab and living-organism studies, not human trials.
Beta-caryophyllene (marketing claim). A dispensary blog says beta-caryophyllene can reduce anxiety without adding to the high. That is the blog’s claim, not a study finding.
The entourage effect (review, 2011). The idea that cannabinoids and terpenes work together comes from a 2011 review on the entourage effect, whose title calls the synergy “potential.” Treat it as a hypothesis until human trials test it directly. WebMD also says experts think terpenes and the CBD-to-THC ratio can change how a strain feels.
What are the side effects, and who should be careful?
| Risk | What the source says |
|---|---|
| Anxiety, fear, distrust and panic | More common with a large amount, a strong high-THC product, or little experience with cannabis (NIDA cannabis research page). |
| Heart and blood pressure | Can make the heart beat faster and raise blood pressure immediately after use (CDC cannabis health effects). |
| Driving | Slows reaction time and the ability to make decisions. Using cannabis with alcohol can increase impairment (CDC cannabis health effects). |
| Lungs | Smoked cannabis can harm lung tissues (CDC cannabis health effects). |
| Other medicines | Can interact with other drugs a person is taking (NIDA cannabis research page). |
| Children | Edibles can lead to accidental ingestion, and children who consume THC products can become very sick (CDC cannabis health effects). |
What are my options besides cannabis?
Here are the main options side by side. Your clinician can help you compare them.
| Option | What the evidence says | Next step |
|---|---|---|
| Talk to a clinician | NIDA says to consult a doctor before using cannabis to treat a medical condition (NIDA cannabis research page). The CDC says to contact your healthcare provider with questions (CDC cannabis health effects). | Bring your symptoms, how often you use cannabis, and any other medicines you take. |
| Non-cannabis options with trial research | A 2023 Silexan meta-analysis of five placebo-controlled trials, with 1,213 adults over ten weeks, found Silexan, a lavender-derived product, significantly reduced anxiety scores compared with placebo. The trials found no significant between-group differences in adverse events. Learn more in natural anxiety relief supplements. | Ask your clinician which tested option fits your situation. |
| THC cannabis products | NIDA says effects vary from person to person. The FDA says it has not approved a marketing application for cannabis for any disease or condition (FDA cannabis regulation page). | Read the THC amount on the label rather than relying on the indica or sativa name. |
| CBD or CBG in early research | The human studies are small and short. The FDA has approved only one CBD product, a prescription drug for certain seizure disorders, and says some CBD products are marketed with unproven medical claims and are of unknown quality (FDA consumer update on CBD). | Ask a clinician before trying any CBD or CBG product. |
If you already use cannabis, what should you weigh?
- Amount and strength. NIDA says anxiety is more common with large amounts and strong products.
- Experience. NIDA says little experience with cannabis makes these reactions more common.
- Other substances. The CDC says combining cannabis with alcohol can increase impairment, and NIDA says cannabis can interact with other drugs.
- Driving. The CDC says cannabis slows reaction time and can impair coordination.
- Storage. The CDC says to keep cannabis products in a locked childproof container, out of sight and reach of children. For exposure questions, call Poison Control at 1-800-222-1222.
- Mental health history. The CDC says cannabis use has been linked to social anxiety, depression and schizophrenia. Raise this with a clinician.
Before you decide
- Ask a clinician whether cannabis fits your anxiety and the medicines you take.
- Read the THC and CBD amounts on the label or lab report, not just the indica or sativa name.
- Ask a clinician which anxiety options with trial research could fit you.
- Save the Poison Control number, 1-800-222-1222, and call 911 for an emergency.
By the Global MH Summit Research Team
This article is for general information purposes only and does not constitute medical advice. Consult your doctor or qualified healthcare provider before making changes to your health routine.