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Does Careprost Change Eye Color? All You Need to Know

Gina Walters


does careprost change eye color

Careprost is a medication used to treat Glaucoma and Intraocular Hypertension, which are characterized by increased pressure inside the eyes.

It is also used to increase the growth of your eyelashes.

Although it is quite safe and effective, Careprost can lead to some side effects.

Some patients using Careprost have experienced a change in the color of their eyes. 

But really, does Careprost change eye color? Or is it really a folktale and a myth?

This article will reveal the potential risk of changes in eye color associated with Careprost use and other side effects.

Are you confused about whether to use Careprost or not? Read our article: What are the Benefits of Careprost? A Closer Look to know about the benefits of using Careprost.

Does Careprost change eye color

Careprost is a Bimatoprost ophthalmic solution first used to reduce intraocular pressure.

However, in 2008, the FDA approved Careprost as a medicine for growing eyelashes.

Using Careprost to encourage eyelash development could change the color of the iris, the colored area of the eye.

But, the exact reason and mechanism that causes this change in eye color is not fully understood. 

The one reason behind this change in eye color following the use of Careprost could be the production of melanin.

Prostaglandin, such as Bimatoprost in Careprost, is known to stimulate melanin production, a pigment that provides color to the eyes.

With the frequent use of Careprost, the iris of the eyes may gradually become browner.

Careprost should be used under the doctor’s supervision to reduce the risk of eye color change or other side effects.

Within eight months of utilizing the eye drops, this change in eye color becomes apparent.

People with green or hazel eyes are more likely to have eye color changes after using Careprost.

However, a darkening of the eye color can occur even in those with light brown eyes.

Usually, color changes first appear around the pupil’s edge, which then extends to the iris.

If you just take the eye drops in one eye, this color change might become permanent and more noticeable.

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Minimizing the risk of eye color change

It’s essential to use Careprost according to your doctor’s instructions to reduce the possibility of eye color change. 

Use the prescribed quantity of the medication, and don’t apply it more often than the recommended amount. 

To reduce the chance of adverse effects, avoid getting Careprost to the nearby skin around the eyes where you are instilling the medication.

Contact your doctor immediately if you experience a change in your eye color while taking Careprost. 

They could advise stopping the medication or keeping a lookout for any more changes in your eye color.

Wondering whether it is safe to use Careprost or not? Read our article: Is Careprost Safe? Understanding the Risks and Benefits

Other side effects of Careprost and safety considerations

Eye Twitching (side effect of Careprost)Source: GizemBDR_from_Getty_Images
Eye Twitching (side effect of Careprost)

Although Careprost is usually safe when used as directed by the doctor for the purpose of reducing eye pressure or growing eyelashes.

However, it can lead to some Careprost side effects, most of which are mild and temporary and may go on their own after some time.

Following are some common side effects reported by the people using Careprost, apart from eye color change:

Do not apply Careprost on the lower eyelid. Use it as directed by your doctor for eyelash growth.

To minimize the risk of any side effects, the following necessary safety precautions need to be taken while using Careprost:

  • Before using the medication, tell your doctor if you are allergic to Bimatoprost or other ingredients
  • Careprost may interact with medications, such as steroids and over-the-counter dilating eye drops
  • Use Careprost cautiously if you are pregnant or breastfeeding after consulting your doctor
  • If you are suffering from any eye disorders, diseases, or eye infections, let your doctor know, as they may get worse with Careprost
  • Contact lenses can absorb the Benzalkonium Chloride preservative used in Careprost

Before using the medication, take out your contact lenses and wait at least 15 minutes before putting them back in.

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  • Are you pregnant and considering using Careprost? Read our article: Is Careprost Safe to Use During Pregnancy or Breastfeeding? to stay safe and well-informed.


    Careprost is a prescription medication for treating Glaucoma, Intraocular Hypertension, and for growing inadequate eyelashes.

    Most people ask about does Careprost change eye color or not.

    Prolonged and frequent use of Careprost can lead to changes in the color of the iris of the eyes.

    However, one can avoid this change in the color of the eyes by using the medication as directed by a doctor. 

    Besides changes in eye color, Careprost can lead to eye itching, redness and pain in the eyes, and some allergic reactions.

    But, these side effects are generally mild and may fade away with time.

    To minimize the risk of any side effects and to ensure the maximum effectiveness of Careprost, it is advisable to consult a doctor before using it. 

    Frequently Asked Questions

    Does Careprost cause dark circles?

    Yes, dark skin around the eyes is one of the side effects of Careprost; however, it is quite rare. 

    To reduce the chances of skin darkening, wipe off any excess medication after application.

    How does Careprost work for Glaucoma?

    Bimatoprost in Careprost aids in decreasing excess pressure inside the eyes.

    This is achieved by stimulating the outflow of the fluid from inside the eye into the circulation, thereby helping overcome Glaucoma symptoms.

    Can I drive after the application of Careprost?

    No. Careprost can lead to hallucinations and eye irritation.

    Hence, it is not advisable to drive after applying Careprost.

    Are there any side effects of Careprost?

    Careprost can lead to itching of the eyes, redness, and pain in the eyes.

    It can also cause dry eyes and allergic reactions.

    Can I reverse the eye color change due to Careprost?

    Usually, discontinuing medication may reverse its effect.

    However, frequent use of Careprost for a long period of time may cause a permanent change in eye color.

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