Lumigan Side Effects

Generic Name: bimatoprost ophthalmic

Note: This page contains side effects data for the generic drug bimatoprost ophthalmic. It is possible that some of the dosage forms included below may not apply to the brand name Lumigan.

It is possible that some side effects of Lumigan may not have been reported. These can be reported to the FDA here. Always consult a healthcare professional for medical advice.

For the Consumer

Applies to bimatoprost ophthalmic: ophthalmic solution

Along with its needed effects, bimatoprost ophthalmic (the active ingredient contained in Lumigan) may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur while taking bimatoprost ophthalmic:

Less common
  • Blindness
  • bloody eye
  • blurred or decreased vision
  • change in color vision
  • color changes in the skin around the eyes
  • difficulty seeing at night
  • disturbed color perception
  • double vision
  • dry eyes
  • eye color changes
  • fever or chills
  • halos around lights
  • lack or loss of strength
  • loss of vision
  • night blindness
  • overbright appearance of lights
  • redness, burning, dry, or itching eyes
  • redness, pain, swelling of the eye, eyelid, or inner lining of the eyelid
  • tunnel vision

Some side effects of bimatoprost ophthalmic may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

More common
  • Body aches or pain
  • cough
  • difficulty with breathing
  • ear congestion
  • headache
  • loss of voice
  • nasal congestion
  • redness of the white part of eyes or inside of the eyelids
  • runny nose
  • sneezing
  • sore throat
  • unusual tiredness or weakness
Less common
  • Darkening of the eyelashes
  • eye discharge or excessive tearing
  • eye strain
  • feeling of having something in the eye
  • increase in hair growth
  • increased sensitivity of the eyes to sunlight

For Healthcare Professionals

Applies to bimatoprost ophthalmic: ophthalmic solution


Bimatoprost can increase the amount of brown pigment in the eye by stimulating melanin production in melanocytes. The change in eye color occurs gradually over months to years and may be permanent. The entire or parts of the iris may be affected. Changes may be more prominent in patients with green-brown, blue/gray-brown or yellow-brown irides.

The manufacturer reports approximately 3% of patients discontinue therapy due to conjunctival hyperemia.

One study (n=133) reported trace or mild conjunctival hyperemia in up to 55.4% of patients with a mean grade of 0.55 on a scale of 0 to 3. Also reported were eyelash growth (10.5%), ocular pruritus (9.8%), and ocular burning (5.3%).

Ocular side effects have been reported the most frequently. Ocular side effects reported in 15% to 45% of patients have included conjunctival hyperemia, growth of eyelashes, and ocular pruritus. Ocular dryness, visual disturbance, ocular burning, foreign body sensation, eye pain, pigmentation of the periocular skin, blepharitis, cataract, superficial punctate keratitis, eyelid erythema, ocular irritation, and eyelash darkening have been reported in 3% to 10% of patients. Eye discharge, tearing, photophobia, allergic conjunctivitis, asthenopia, increased iris pigmentation, and conjunctival edema have been reported in 1% to 3% of patients. Intraocular inflammation or iritis has been reported rarely (less than 1%). Macular edema, including cystoid macular edema, has also been reported. Postmarketing reports have included eyelid edema and periorbital and lid changes associated with a deepening of the eyelid sulcus.


A 59-year-old Hispanic woman developed hypertrichosis of vellus hairs on the left malar region within 4 weeks of initiating unilateral therapy (left eye). Therapy was discontinued and the condition did not recur following epilation.

Two cases of poliosis were reported in as early as six weeks of treatment. Affected lashes were interspersed with normally pigmented lashes. Hypertrichosis was also reported in these patients.

Dermatologic side effects have included increases in length, thickness, pigmentation, and/or number of eyelashes. These changes may be permanent. Bimatoprost may also cause increased brown pigmentation of the eyelashes, periorbital and/or eyelid tissue of the treated eye. Hirsutism has been reported in less than 5% of patients. There is a single case report of hypertrichosis of vellus hairs in the malar region.


Respiratory side effects have included colds and upper respiratory tract infections in approximately 10% of patients.

Nervous system

Nervous system side effects have included headache (less than 5%). Postmarketing reports have included dizziness.


Hepatic system side effects have included abnormal liver function tests (<5%).


Other side effects have included asthenia (<5%).


Cardiovascular side effects have included hypertension.


Gastrointestinal side effects have included nausea.

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