Note: This document contains side effect information about brimonidine ophthalmic. Some of the dosage forms listed on this page may not apply to the brand name Alphagan P.
Common side effects of Alphagan P include: blurred vision, burning sensation of eyes, drowsiness, eye pruritus, follicular conjunctivitis, headache, local ocular hypersensitivity reaction, ocular hyperemia, stinging of eyes, foreign body sensation, and xerostomia. See below for a comprehensive list of adverse effects.
Applies to brimonidine ophthalmic: ophthalmic solution
Along with its needed effects, brimonidine ophthalmic (the active ingredient contained in Alphagan P) 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 brimonidine ophthalmic:
Incidence not known
Some side effects of brimonidine 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:
Incidence not known
Applies to brimonidine ophthalmic: ophthalmic solution, topical gel
The most commonly reported side effects were oral dryness, ocular hyperemia, burning/stinging, headache, blurring, and foreign body sensation.
Very common (10% or more): Ocular hyperemia (20%), burning/stinging (19%), foreign body sensation (12%), ocular pruritus, blurred vision (12%), allergic blepharitis, allergic blepharoconjunctivitis, allergic conjunctivitis, ocular allergic reaction, follicular conjunctivitis
Common (1% to 10%): Local irritation (eyelid hyperemia/edema, blepharitis, conjunctival edema/discharge, ocular pain /tearing), photophobia, corneal erosion/staining, ocular dryness, conjunctival blanching, abnormal vision, conjunctivitis, epiphora, superficial punctate keratitis, visual disturbance, worsening of visual acuity, cataract, vitreous detachment, vitreous disorder, vitreous floaters
Uncommon (0.1% to 1%): Conjunctival papilla, papillary hypertrophy, iritis, hordeolum
Very rare (less than 0.01%): Miosis
Frequency not reported: Lid crusting
Postmarketing reports: Iridocyclitis (anterior uveitis), eyelid pruritus, keratoconjunctivitis sicca
Very common (10% or more): Oral dryness
Common (1% to 10%): Gastrointestinal symptoms
Uncommon (0.1% to 1%): Palpitations/arrhythmias (including bradycardia and tachycardia)
Very rare (less than 0.01%): Hypertension, hypotension
Postmarketing reports: Pallor
Very common (10% or more): Headache, drowsiness
Common (1% to 10%): Dizziness, abnormal taste
Uncommon (0.1% to 1%): Somnolence
Very rare (less than 0.01%): Syncope
Postmarketing reports: Coma, lethargy
Common (1% to 10%): Upper respiratory symptoms, rhinitis, bronchitis, cough, flu syndrome
Uncommon (0.1% to 1%): Nasal dryness, pharyngitis
Rare (less than 0.1%): Dyspnea
Postmarketing reports: Respiratory depression
Common (1% to 10%): Depression
Very rare (less than 0.01%): Insomnia
Frequency not reported: Anxiety
Common (1% to 10%): Muscular pain
Postmarketing reports: Skin reactions including erythema, pruritus, rash, vasodilatation
Uncommon (0.1% to 1%): Systemic allergic reactions
Common (1% to 10%): Hypercholesterolemia
Very common (10% or more): Fatigue
Medically reviewed by BestRx Medical Team Last updated on 1/1/2020.
Source: Drugs.com Alphagan P