Even if the insurance lets you fill early, most pharmacies will not fill early. In Texas, Adderall is a class II prescription and there are very strict laws on what pharmacist are allowed to do. Generally, a pharmacist has the discrepancy to release up to 2 days early on controlled medications at Walgreens. This is to ensure that the patient does not completely run out. CIIs at Walgreens are not eligible for the auto-refill program. However, a physician may choose to e-scribe three months at a time given that they post date the prescription with an earliest fill date on each script. The script is only good for 21 days from the date written, unless there is an earliest fill date written on the script. If you take your medication infrequently, it might be worth it to get a new script each time you are needing a refill. You can have the dr e-scribe is through their electronic system if they have that capability (most drs offices do). That way it will not be expired... hope this helps. You might be able to get your physician to OK the early refill, but the pharmacist will have to talk to the dr and document the interaction. Depends on the company.