In roughly 40 states with medical marijuana programs, a minor can get a medical marijuana card, but only through a parent or legal guardian who consents to the treatment and registers as the child’s caregiver. The caregiver, not the child, handles every purchase and administers the medicine. Most states also set a higher medical bar for minors than for adults, and the qualifying conditions tend to be narrower.
A Parent Has to Consent and Register as Caregiver
No state lets a minor apply on their own. A parent or legal guardian must provide formal, written consent before the application moves forward, and in nearly every program that same adult must register as the child’s designated caregiver. That registration makes the parent legally responsible for buying, possessing, and administering the cannabis.
Caregiver registration is its own application. Expect to submit a government-issued photo ID and to pass a criminal background check. A drug-related felony will disqualify a prospective caregiver in most programs, though the exact list of disqualifying offenses varies by state. If neither parent can pass the check, some states allow another adult relative or legal guardian to step in, which adds paperwork and time.
Once approved, the caregiver receives their own ID card. That card must be presented at the dispensary for every purchase. The minor patient does not handle the transaction and cannot buy cannabis independently, even with a valid patient card.
Two Physicians, Not One
Adults generally need one physician certification. Minors often need two. Several states require recommendations from two separate physicians before a child can be approved: one to diagnose the qualifying condition and recommend cannabis, and a second, frequently a board-certified pediatrician or a specialist in the child’s condition, to independently agree that the benefits outweigh the risks.
Some states waive the second opinion when the recommending physician is already a specialist treating the child, such as an oncologist for a cancer patient or a neurologist for epilepsy. Where two certifications are required, both must be documented in the medical record and submitted with the application. In practical terms, that’s two appointments, two evaluation fees, and a longer wait before your paperwork is complete.
Which Conditions Qualify a Minor
Each state maintains its own list of qualifying conditions, and the list for minors is often narrower than the one for adults. Conditions that qualify a child tend to be severe, debilitating, or life-threatening, and most programs expect that conventional treatments have already been tried without adequate results.
- Epilepsy and seizure disorders, particularly intractable epilepsy that hasn’t responded to standard anticonvulsants
- Cancer, including severe nausea and pain related to chemotherapy
- Terminal illness, often defined as a life expectancy of less than one year
- Severe muscle spasms associated with conditions like multiple sclerosis or cerebral palsy
- Autism spectrum disorder, recognized in a growing number of states
A few states give physicians discretion to certify minors for conditions not on the standard list, but that’s the exception. The qualifying conditions for children are deliberately conservative.
What You’ll Submit and What It Costs
The application package requires identity and residency documents for both the child and the caregiver. For the child, that typically means a birth certificate or state-issued ID. The caregiver needs a government-issued photo ID and proof of residency such as a utility bill or lease. The physician certification forms, downloaded from the state’s medical cannabis program website, must be completed by each recommending doctor.
Costs add up, and insurance covers none of it. State registration fees for the patient card range from nothing in some states to roughly $75 in others, and the caregiver card may carry its own fee. The bigger expense is the physician evaluations. A single medical marijuana consultation typically runs $100 to $300 out of pocket, and if your state requires two certifications for a minor, you pay for both. Plan on $200 to $600 or more in upfront costs before the card is issued.
Most states now accept applications through an online portal where you upload documents and pay electronically. Processing commonly takes two to four weeks. Both the patient card and the caregiver card arrive by mail.
What a Minor Can Actually Use
Getting the card is only half the picture. Product restrictions for minor patients are tighter than for adults. Many states prohibit smokable or inhalable cannabis for minors entirely, limiting them to oils, tinctures, capsules, topicals, or edibles. A handful of states allow an exception for terminally ill minors when a physician determines that inhalation is the most effective delivery method, but that exception is narrow and requires additional physician sign-off and parental consent.
The caregiver controls the medicine at every stage. The minor cannot purchase, cannot possess independently, and cannot self-administer without the caregiver’s involvement. Dispensaries will not sell to the minor. Violations can cost the caregiver their registration.
Cannabis at School
School is where most families hit a wall. Federal law still classifies marijuana as a Schedule I controlled substance, and the Drug-Free Schools and Communities Act requires educational institutions to prohibit illicit drug use on campus.1Office of the Law Revision Counsel. United States Code Title 21 – 812 Schedules of Controlled Substances That creates a direct conflict for a child who needs cannabis-based medicine during the school day.
Practice varies widely. Only about one-quarter of school districts have any policy addressing medical cannabis for students. Where policies exist, they most commonly designate the parent as the person authorized to come to school and administer the dose, sometimes in a private area arranged with the administration. Very few districts authorize school nurses to handle cannabis products, and some require the student to leave campus for dosing and return afterward.
If your child needs medicine during school hours, expect to negotiate with school administrators individually and get any agreement in writing. The school is not federally required to accommodate this. A handful of states have laws specifically addressing school-based administration, but even those leave significant discretion to individual districts.
Federal Issues Families Should Know About
Even with a valid state card, federal law still treats marijuana as a Schedule I controlled substance.1Office of the Law Revision Counsel. United States Code Title 21 – 812 Schedules of Controlled Substances That has two direct consequences for families you might not expect.
Medical marijuana expenses cannot be deducted as medical expenses on your federal tax return. IRS Publication 502 states plainly that you cannot include amounts paid for controlled substances that aren’t legal under federal law, even when they’re legal under state law.2Internal Revenue Service. Publication 502 (2025), Medical and Dental Expenses The same prohibition means these costs aren’t eligible through a Health Savings Account or Flexible Spending Account, and private health insurance does not cover them. Everything you spend on your child’s cannabis medicine comes out of pocket with no tax relief.
The second consequence catches many caregiver-parents off guard. Federal law prohibits any “unlawful user of or addicted to any controlled substance” from possessing firearms or ammunition.3Office of the Law Revision Counsel. United States Code Title 18 – 922 Unlawful Acts A parent who personally uses medical cannabis while serving as their child’s caregiver could face this restriction, and federal firearms paperwork asks directly about marijuana use. Even in states where cannabis is fully legal, a “yes” answer disqualifies the buyer. Caregivers who don’t personally use cannabis are not directly affected, but the overlap between marijuana and firearms law is an area of unpredictable federal enforcement.
Traveling With Your Child’s Card
A card issued in one state carries no automatic weight in another. About 14 states and the District of Columbia offer some form of reciprocity for visiting patients, but the rules differ. Some recognize an out-of-state card and allow dispensary purchases. Others recognize only the right to possess cannabis you brought with you. A few require visiting patients to pre-register through the state’s cannabis authority, a process that can take up to 30 days.
The majority of medical marijuana states offer no reciprocity. Carrying cannabis into a state that doesn’t recognize your card means possessing an illegal substance under that state’s law, whatever your home state allows. And crossing any state line with cannabis is technically a federal offense, since interstate transport of a Schedule I substance violates federal law. Research the destination state’s rules well in advance and assume legal protection ends at the state line unless that state explicitly extends it.
Renewal and Turning 18
Cards are not permanent. Most states issue them for one year. Renewal requires a fresh physician certification confirming the qualifying condition still exists and cannabis therapy remains appropriate, and if your state requires two certifications for minors, you repeat that process at renewal. The registration fee applies again. Start the renewal 30 to 45 days before expiration, because a lapsed card means no legal protection and no dispensary access until the new one arrives.
When a minor patient turns 18, the caregiver framework no longer applies. The now-adult patient will need to submit a new application as an adult patient, which usually requires only one physician certification and no parental consent. The caregiver card becomes unnecessary unless the patient has a disability that still requires assisted administration. Don’t assume the transition is automatic. Apply for the adult card before the minor card expires.