Latanoprost

Medically Reviewed by Dr. Harshi Dhingra, M.D.

Last Reviewed: Jul 15, 2022

Common Questions


Common Questions about Lisinopril (Prinivil, Zestril)


Why is latanoprost given at night?

Studies have shown that latanoprost works better at lowering intraocular pressure when used in the evening. 



How long does it take for latanoprost to work?

Latanoprost starts working within a few hours and reaches peak effects in 12-24 hours. However, it is not possible for you to tell at home whether the medication is effective in lowering elevated intraocular pressure (IOP). Your doctor will check intraocular pressure after you have been using the eye drops for several weeks to assess whether the latanoprost ophthalmic is working for you.



Is it necessary to refrigerate latanoprost?

You should keep an unopened bottle of Xalatan (latanoprost) in the refrigerator. You can keep an open bottle of Xalatan at room temperature or in the refrigerator. Throw away any unused Xalatan 6 weeks after opening a bottle. Xelpros brand can be stored either at room temperature or in the fridge. 



How long should a 2.5 mL bottle of latanoprost last?

Glaucoma affects both eyes, and patients typically use one drop of latanoprost in each eye once a day. Based on this, one 2.5 mL bottle of latanoprost can last around 45 days on average. 



Can latanoprost cause floaters?

Floaters are not among the common side effects of latanoprost but may occur in some patients. Call your doctor if any of the side effects of latanoprost, such as blurred vision or eye pain, are severe or worsening. 



What is the price of Latanoprost without insurance?

Without insurance, latanoprost can be as high as $57.00, but with a free BuzzRx prescription discount coupon, you could pay as low as $11.89 for the most common version of this medication. Use the BuzzRx drug price look-up tool to find the lowest discounted price, and be sure to enter the correct dosage, form, and quantity for the most accurate pricing. While generics tend to have the best savings, you can use your BuzzRx card and coupons to purchase brand-name versions of latanoprost like Xalatan. It never hurts to ask your pharmacist to try BuzzRx when filling or refilling any of your prescriptions—whether you have insurance or not.



What is the price of Latanoprost with insurance?

Ask your pharmacist or insurance provider for your copay price on latanoprost—copay amounts vary depending on the type of insurance plan you have and if there is a deductible to reach before prescription drug coverage begins.

You could save up to 80% on your prescription medication with a free BuzzRx discount coupon for latanoprost. When using the BuzzRx lookup tool to find the price of your medication, be sure to enter the correct dosage, form, and quantity to receive the most accurate discounted pricing. It never hurts to ask your pharmacist to try BuzzRx when filling or refilling any of your prescriptions—whether you have insurance or not.