Independent medication information Not a pharmacy · Not a substitute for medical advice
Cannabis / Cannabinoid

Delta-9-tetrahydrocannabinol

Identity, uses and research, side effects, dosage context, pricing and online access.

CannabinoidCannabis
Reference nameTHC
Entry typeCannabinoid
CategoryCannabis
Chemical nameDelta-9-tetrahydrocannabinol
Compound classCannabinoids
Product contextsPlant material, extracts and medicines

DrugRX editorial reference · Sources consulted · Not independently medically reviewed

Delta-9-tetrahydrocannabinol molecular structure

Delta-9-tetrahydrocannabinol molecular structure. This diagram does not show a finished medicine or identify a pill.

PubChem / National Library of Medicine · Structure images reusable under PubChem citation guidelines

About Delta-9-tetrahydrocannabinol

Delta-9-tetrahydrocannabinol, or THC, is an intoxicating cannabinoid. A cannabis product’s form and composition affect its risks.

Also searched as: THC

PRODUCT FORMULATIONS

Available strengths

Strength is the amount in a tablet, capsule, liquid or patch. Different formulations are listed separately.

Product & formulationStrengths
Marinol (dronabinol)
Prescription oral capsule
2.5 mg · 5 mg · 10 mg

Synthetic delta-9-THC medicine; not a dosing specification for cannabis flower, extracts or edibles.

Product label · Checked 2026-10-31

Dosages in the product label

Marinol (dronabinol) — Anorexia associated with weight loss in AIDS

Population: Adults

Labeled starting dose: 2.5 mg twice daily before lunch and dinner.

Older or intolerant patients may start at 2.5 mg once daily. This does not apply to cannabis edibles or flower.

Prescribing information · Checked 2026-10-31

PRICE, COST & AVAILABILITY

Buy THC: pricing & legal access

THC online: availability & product information

Product-specific federal and state rules matter. An online storefront does not establish lawful delivery. Compare only verified regulated products where permitted; DrugRX has no live dispensary or pharmacy prices.

Pricing status: No live price feed or verified quote. DrugRX does not sell or dispense products.

Sources: FDA — Cannabis products and regulation

DETAILED REFERENCE

THC information

THC and cannabis products

Flower, concentrates, edibles and vape products are different preparations. State cannabis programs and federally approved medicines are separate regulatory contexts.

Sources: CDC — Cannabis questions and health effects · FDA — Cannabis products and regulation

Health effects

THC can impair memory, attention and coordination. Edibles may have delayed effects; accidental ingestion by children can cause serious illness. Frequent use can lead to cannabis use disorder.

Sources: CDC — Cannabis questions and health effects

Product and dosage context

No universal cannabis dose is provided. A package’s weight does not describe its THC concentration, and a consumer cannabis product is not interchangeable with a prescribed cannabinoid medicine.

Sources: CDC — Cannabis questions and health effects

THC and cannabis are different descriptions

THC names a compound; cannabis describes plant-derived material containing many compounds. A percentage on a product label and the weight of a package are different measurements. Neither can be interpreted without knowing the actual product.

Sources: CDC — Cannabis questions and health effects

Edibles and delayed effects

Edible cannabis can have delayed and unpredictable effects compared with inhaled material. That delay can contribute to accidental overconsumption. Food-like packaging also creates risks of unintentional ingestion by children.

Sources: CDC — Cannabis poisoning and edible products

Cannabis use disorder and impairment

Repeated cannabis exposure can lead to problematic use in some people. Impairment of attention, memory or coordination can affect safety and daily functioning; familiarity with the product does not establish fitness to drive.

Sources: CDC — Cannabis questions and health effects

Delta-9 THC, delta-8 THC and CBD

THC isomers and CBD are different chemical descriptions. CBD does not produce the characteristic THC high, but consumer products can contain additional cannabinoids. Ingredient identity, concentration and formulation should remain separate questions.

Sources: CDC — Cannabis questions and health effects · CDC — About CBD

Sources and editorial notes

Prepared by DrugRX using the references linked below. Sources were consulted on 2026-10-31. This page has not been independently reviewed by a clinician. Research findings, medication approval and legal permission are separate questions.

  1. CDC — Cannabis questions and health effects
  2. FDA — Cannabis products and regulation
  3. CDC — Cannabis poisoning and edible products
  4. CDC — About CBD
  5. DailyMed — Marinol product label

Legal information is a dated U.S. reference. Product rules and local laws may change. Where the evidence does not establish a dose, interaction profile or price, the page states that limitation.