Medicines & Supplements A to Z > Bimatoprost


Last updated on 07/07/2021.

Overview   |   Dosage   |    Side Effects   |   Precautions  |   Tips  |   Where To Buy  

GENERIC NAME: Bimatoprost



DRUG CLASS: Anti-glaucoma agents

SUB CLASS: Prostaglandin analogue

USED FOR: Glaucoma, Ocular hypertension

– 0.01%, 0.03% (eye drops)

What is Bimatoprost for?

Bimatoprost belongs to a class of medication called prostaglandin analogue. It can lower the intraocular pressure by increasing the outflow of aqueous humor. Therefore, it is used to treat glaucoma and ocular hypertension.

How to use it?

Bimatoprost is applied to the eyes. Instill 1 drop in the affected eye(s) once daily in the evening. Do not exceed once-daily dosing.

Lie down or tilt your head back. With your index finger, pull down the lower lid of your eye. Hold the dropper close to your eye with the other hand, and drop 1 drop into your eyes between your lower lid and eyeball. Gently close your eyes. Place your index finger over the inner corner of your eye for 1 minute.

What are the side effects of Bimatoprost?

The common side effects of Bimatoprost include conjunctival hyperemia, dry eyes, blurred vision, eyelid erythema, and hyperpigmentation to eyelid, eyelash, or periocular skin.

Who should not take Bimatoprost?

People who are allergic to Bimatoprost or any component of the formulation.

Pharmacist Tips:

– There might be a chance for increased brown pigmentation of the iris which may be permanent and changes in eyelash. Both conditions can be reversible upon discontinuation of treatment.
– Wash your hands with soap and water before and after using.
– Shake the eye drops well just before each use.
– Remove contact lenses prior to administration, and wait 15 minutes before reinserting.
– Separate administration of other ophthalmic agents by at least 5 minutes. 

Common dosing schedule:
Bimatoprost should be applied to the eyes in the evening. 

This schedule is for reference only, adjustments may be made according to individual needs.

Some common medications Bimatoprost may interact with:
– Prostaglandin analogue, e.g. Latanoprost, Tafluprost, Travoprost

Please notify your doctor or pharmacist if you are taking the above medication, dosage adjustments might be needed.

Where to buy Bimatoprost in Hong Kong?

In Hong Kong, Bimatoprost is a prescription only medicine, and requires a prescription from a doctor to be purchased in a pharmacy. It can also be obtained from doctors. To find a pharmacy near you, refer to the list of pharmacies (“Authorized Sellers of Poisons”) from the Hong Kong Department of Health.

For more information about drug names and ingredients, you can visit Hong Kong’s Drug Office at

Need more information?

For detailed information about the use of Bimatoprost in children, pregnancy and breastfeeding, and for questions about drug interactions, please check with your pharmacist or doctor.

Disclaimer: our goal is to provide you with the most relevant drug information and common dosage for Hong Kong. This information does not constitute medical advice. For specific treatment recommendations and advice, always discuss with your doctor or pharmacist, and follow the instructions included with your specific medicine.