Dr. Lary : Hi, Most medications have a year or two expiration in the pharmacy. Some meds can be dangerous if taken once expired. Gabapentin isn't really one of those. Most likely, it just won't work. Either way, you can never be fully sure of safety or effectiveness once expired. Like all medications, Gabapentin has an expiration date, after which it may not be as effective or safe to use. But how long does Gabapentin actually last after its expiration date? According to experts, Gabapentin is typically safe to use for up to one year after its expiration date. Purpose: The stability of a gabapentin 300-mg capsule product in the original bulk containers and repackaged in unit dose blister strips was studied. Methods: Both products were stored for one year under long-term storage conditions (25 degrees C and 60% relative humidity [RH]) and for three months under accelerated storage conditions (40 degrees C and 75% RH) and tested for weight change Gabapentin is available as oral capsules of 100 mg, 300 mg, and 400 mg; tablets of 100 mg, 300 mg, 400 mg, 600 mg, and 800 mg; and an oral solution of 50 mg/mL. However, the need often exists for a higher-concentration oral liquid, and if tablets or capsules are used as the drug source, a suspension will result. Most prescriptions are still potent long past their expiration date - which is typically 2 to 3 years. It may be somewhat less potent or it could just as potent as ever. Get rid of any unused medication after the expiration date. This medication may cause accidental overdose and death if taken by other adults, children, or pets. To get rid of medications that are no longer needed or have expired: And how after the expiration date 300 mg for insomnia. A few questions about gabapentin. My doctor put me on 300-400mg at bed time for RLS. I also take Generally, the expiration date of gabapentin after manufacture is usually 2 to 3 years. After dispensing by a pharmacy to the patient, the expiration date is generally set at 1 year (from the date of dispensing). There is no evidence to suggest that gabapentin turns harmful after it has expired. It has a shelf life of 5 years, and since the date on you med is different than the bottle that the pills were taking from—You drug should be good until 2019–. Is it still good to take? Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Get rid of any unused medication after the expiration date. This medication may cause accidental overdose and death if taken by other adults, children, or pets. To get rid of medications that are no longer needed or have expired: The expiration date of gabapentin applies to the unopened packaging or bottle. Once the bottle is opened, it is recommended to use the medication within the specified timeframe mentioned in the package insert or consult a healthcare professional. The simple, straightforward answer is: no, you should not use expired gabapentin. While it might be tempting to use leftover medication, especially if you’re in a pinch, using expired gabapentin comes with potential risks. I've heard that gabapentin has a shelf life of five years after expiration. Most pharmacists have to put a earlier expiration date on them however. And even if gabapentin is expired they pose no risk. Here's a link to a helpful answer about pharmaceutical expiration dates: https: How long is the shelf life of gabapentin 300 mg? Updated 2 Jan 2019 1 answer. Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Get rid of any unused medication after the expiration date. This medication may cause accidental overdose and death if taken by other adults, children, or pets. Mix any unused medication with a substance like cat litter or coffee grounds. **The expiration date of gabapentin varies depending on several factors such as the manufacturer and the formulation of the medication.** It is important to note that the expiration date listed on the packaging is an estimate of how long the medication will remain stable and effective. The rule of thumb that I have been taught if it’s expired more than 3 to 6 months after the X expiration date depending on the medication & it’s packaging if, it’s in a blister pack they have the actual date on them they would expire. Ten years is way too old to even, chance using it. Even if a drug's expiration date has not yet been reached, it may not be acceptable to put it in the medication cart. How many tablets of gabapentin 300 mg should I have been taking gabapentin 300 mg for approximately five years, one pill 5x a day. I receive a 90 day supply of this medication at a time. Over that period I have found that the potency seems to lessen as the weeks go by. Does gabapentin lose its potency and how long is the shelf life for a 30 day supply? See also Gabapentin oral capsule 300 mg information. Using gabapentin after the expiration date may result in decreased effectiveness or potential harm
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