Frequently asked questions Can I renew my Texas Medical Marijuana Prescription online? You must renew your medical marijuana prescription in Texas annually. Leafwell can help you renew your medical marijuana certificate and card. If you’re a returning patient, all your information is stored in our HIPAA-compliant platform, and the process is quick and easy. If you are not already a Leafwell patient, click here to create an account and complete your renewal. You can do so by speaking to a physician, who will renew your qualification on CURT.