PTSD (post-traumatic stress)

Understanding ptsd (post-traumatic stress)

PTSD can follow a traumatic event and show up as flashbacks, hypervigilance, sleep problems and anxiety. First-line management relies on therapy and, as needed, medication and specialized support.

Medical cannabis and ptsd (post-traumatic stress)

Medical cannabis is sometimes considered alongside care for certain PTSD-associated symptoms, cautiously and without replacing mental-health care. For eligible veterans, Veterans Affairs Canada (VAC) may cover medical cannabis — see our veterans program.

What the evidence shows

Observational studies report conflicting results: some people describe improvement in targeted symptoms, notably sleep, while other studies find little effect or worsening. Randomized trials remain scarce and have not established a reliable benefit across overall PTSD symptoms.

What it does not establish

VAC reimbursement is not evidence of effectiveness, and cannabis does not cure PTSD. A VA/DoD clinical guideline recommends against using cannabis to treat PTSD because robust evidence is lacking and risks are known; trauma-focused psychotherapies remain the priority.

Points to discuss during the assessment

• Current mental-health follow-up and trauma-focused therapy
• Nightmares, sleep and the specific symptoms being targeted
• Depression, suicidal thoughts and dependence risk
• Work, driving, weapons or any task requiring sustained alertness

Important precautions

• Adverse effects can include drowsiness, dizziness, impaired attention, anxiety or a faster heart rate.
• THC can impair driving and the operation of machinery; never drive while impaired.
• Particular caution is required during pregnancy or breastfeeding, with some heart conditions, or with a personal or family history of psychosis.
• Tell the practitioner about all current medications and supplements so possible interactions can be assessed.