To qualify for a medical marijuana card, you need a diagnosed medical condition that your state recognizes as eligible, a certification from a licensed physician, and a completed application through your state’s health department or cannabis program. The specific conditions, costs, and processes vary by state, but the general pathway is consistent across the country.
Which Conditions Qualify
Chronic pain is by far the most common reason people hold medical marijuana cards, accounting for roughly 65% of all cardholders nationwide. In states with less restrictive programs like Arizona, Colorado, and Michigan, chronic pain makes up closer to 67% of qualifying conditions. Even in states with tighter regulations, it still tops the list at around 32%.
Beyond chronic pain, the most frequently approved conditions include muscle spasticity from multiple sclerosis, nausea and vomiting caused by chemotherapy, post-traumatic stress disorder (PTSD), and cancer. These five conditions form the core of nearly every state program. There is strong clinical evidence supporting cannabis for three of them: chronic pain, chemotherapy-related nausea, and MS spasticity.
Many states also recognize epilepsy, seizure disorders, Crohn’s disease, irritable bowel disease, glaucoma, HIV/AIDS, Parkinson’s disease, and ALS. Some states have added anxiety, insomnia, or autism in recent years. A few states allow physicians to recommend cannabis for any condition they believe it could help, giving doctors broader discretion. Your state’s health department website will list the exact qualifying conditions for your program.
What the Physician Evaluation Looks Like
Getting certified starts with a visit to a physician who is registered with your state’s medical cannabis program. Not every doctor participates, so you may need to find one specifically through your state’s registry or through a cannabis clinic. During the evaluation, the physician will review your medical records or history, go over your current medications and any drug allergies, and discuss your symptoms in detail. They’ll also perform a physical examination if your state requires one.
The doctor is required to discuss the risks of medical marijuana with you. This includes any contraindications specific to your health, as well as risks related to pregnancy and breastfeeding if applicable. If the physician determines that you have a qualifying condition and that cannabis is an appropriate treatment, they’ll complete a certification form and enter your information into the state’s patient registry.
The physician will create a medical record of your visit that documents your identity, the date you were seen, your reason for the visit, physical findings, a diagnosis, and a treatment plan. Bring any existing medical records that support your condition, such as imaging results, specialist notes, or a history of treatments you’ve already tried. Having documentation of your diagnosis makes the process smoother and faster.
Telehealth vs. In-Person Visits
Whether you can complete your evaluation over video depends entirely on your state. Many states began allowing telehealth cannabis evaluations during the COVID-19 pandemic and have kept those rules in place. Others are stricter. Alabama, for example, prohibits any form of telemedicine for cannabis certifications or recertifications, requiring all examinations to happen in person.
States that do allow telehealth evaluations sometimes limit them to renewals only, requiring the initial certification to be in person. Check your state program’s rules before booking an appointment. If telehealth is permitted, the evaluation typically takes 15 to 30 minutes over a video call.
After the Doctor’s Certification
Once your physician certifies you, you’ll need to register with your state’s medical marijuana program yourself. This usually means creating an account on the state’s online patient registry, uploading a photo ID, paying an application fee, and waiting for approval. Fees range from about $25 to $200 depending on the state, and many states offer reduced fees for veterans, low-income patients, or those on disability.
Processing times vary. Some states issue a digital card within days, while others take several weeks to mail a physical card. Once you receive your card, you can purchase medical cannabis from licensed dispensaries in your state.
How Long Your Card Lasts
Medical marijuana cards are typically valid for one year, though some states issue them for two years or as little as six months. Once your card expires, you can no longer legally purchase cannabis from dispensaries. Renewal requires a follow-up consultation with a registered physician, who will reassess whether cannabis remains appropriate for your condition. Many patients schedule their renewal appointment a few weeks before expiration to avoid any gap in access.
Rules for Minors and Caregivers
Patients under 18 can qualify for medical marijuana in most states, but they cannot purchase or possess it themselves. Instead, a designated caregiver handles purchasing and administering cannabis on their behalf. The patient’s physician is typically the one who adds a caregiver to the patient’s registry profile.
Caregiver requirements are strict. In Florida, which has one of the more detailed caregiver frameworks, a caregiver must be at least 21, be a state resident, pass a background screening (unless they’re a close relative), and complete a certification course every two years. Caregivers cannot be employed by or have a financial interest in a dispensary or testing lab, and they cannot be compensated beyond actual expenses. A caregiver is generally limited to one patient, with an exception for parents or legal guardians of multiple qualifying minors.
Using Your Card in Another State
Medical marijuana reciprocity, where one state honors another state’s card, exists but is inconsistent. Some states offer full dispensary access to visiting patients. Maine, Michigan, Nevada, New Mexico, Puerto Rico, and Washington D.C. all allow out-of-state cardholders to walk into a dispensary and purchase cannabis with a valid card from their home state.
Other states require you to apply for a temporary visitor card. Arkansas issues visitor cards valid for up to 90 days. Hawaii and Utah offer visitor cards that expire after 21 days, with a limit of two per year. Oklahoma requires visiting patients to obtain a separate visitor card from its state authority.
A few states let you possess cannabis but not buy it there. Georgia allows visiting cardholders to possess up to 20 ounces of low-THC oil but won’t let them purchase anything in state. Iowa permits possession of up to 4.5 grams of THC with no purchasing rights. New Hampshire caps visiting patients at 2 grams of cannabis, possession only. Illinois, notably, does not accept out-of-state cards at all.
Employment and Legal Considerations
Holding a medical marijuana card does not fully protect you in the workplace. Cannabis remains illegal at the federal level, which creates complications for anyone in a federally regulated job or one requiring a security clearance. State-level protections vary widely.
California offers some of the stronger employee protections. Employers there generally cannot ask job applicants about past cannabis use, cannot deny someone a job for using cannabis off duty, and cannot fire or penalize an employee for off-the-clock use. Drug tests that only detect non-psychoactive metabolites (the residue that lingers long after impairment has passed) generally cannot be used against you. However, if a test detects psychoactive THC, employers may act on that result. These protections also don’t apply to employers with four or fewer employees, positions requiring federal background checks, or workers in the building and construction trades.
No state allows you to use cannabis at work or be impaired on the job. Even in states with strong protections, employers retain the right to maintain drug-free workplaces and to test for other controlled substances. If your job involves safety-sensitive duties, federal contracts, or DOT regulations, a medical card won’t shield you from consequences. Before applying for a card, consider how your employer’s drug policy intersects with your state’s laws.
One federal restriction catches many cardholders off guard: you cannot legally purchase or possess firearms while using marijuana, regardless of state law. Federal firearms forms ask about controlled substance use, and answering dishonestly is a felony.