In Massachusetts, a qualifying patient has been diagnosed by a licensed physician as having one of the following debilitating medical conditions: cancer, glaucoma, HIV / AIDS, hepatitis C, ALS (Lou Gehrig’s disease), Crohn’s disease, Parkinson’s disease and multiple sclerosis. Other conditions are subject to approval by the Department of Public Health. In order to obtain medical marijuana for treatment, a patient must register with the Department of Public Health and receive a Massachusetts Medical Marijuana Card from EZmedcard. Once registered and approved, patients are able to purchase up to 10 ounces of usable marijuana from state-licensed dispensaries on a monthly basis. Patients may also designate a personal caregiver to purchase their medical marijuana.