Alternative therapy
Cannabis / cannabinoids
Supplements · Cannabis/CBD
Important
Do not replace or delay standard cancer treatment with unproven therapies. Always consult your oncology team before starting anything new.
Summary
Cannabis and cannabinoids are used for symptom relief such as nausea, appetite loss, pain, and sleep problems. They are not approved to treat cancer.
Claims: Symptom relief, Side‑effect
Evidence
Evidence supports symptom management for some patients; FDA has not approved cannabis as a cancer treatment.
Negative/neutral evidence: No evidence shows cannabis treats or cures cancer.
Evidence supports symptom relief; anti-tumor benefit is unproven.
Safety & interactions
Potential interactions with other drugs; discuss with oncology team.
Warnings
- • FDA has not approved cannabis to treat cancer.
Risks
- • Possible cognitive impairment, dizziness, or other side effects.
Interactions
- • Cannabinoids can interact with drugs metabolized by CYP450 enzymes.
Sources
Last reviewed: 2/19/2026 · Rating methodology