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Use this FREE Lantus pharmacy coupon to get the lowest price on your pet's Lantus prescription. Our discount coupons are pre-activated and can be used at over 68,000 pharmacies nationwide to save up to 75% off your prescription medication.
Lantus is the brand name for insulin glargine, an insulin analog made by Aventis. Lantus is a very long-acting insulin (lasting up to 24 hours in humans) that uses pH reactions to form micro-precipitates under the skin, which create a time-release action.