<prompt> Which of the following antiglaucoma medications can Cause drowsiness?LatanoprostTimololBrimonidineDorzolamide  <response>: The most commonly repoed ADRs are oral dryness, ocular hyperaemia and burningstinging, all occurring in 22 to 25 of patients. They are usually transient and not commonly of a nature serious enough to require discontinuation of treatment. Symptoms of ocular allergic reactions have been repoed to have occurred in 12.7 of subjects in clinical trials causing withdrawal in 11.5 of subjects, with onset being between 3 and 9 months in the majority of patients. The following convention has been used for classification of frequency of undesirable effects: Very common : 1 in 10. Common : 1 in 100 and 1 in 10. Uncommon : 1 in 1,000 and 1 in 100. Rare : 1 in 10,000 and 1 in 1,000. Very rare : 1 in 10,000. Not known cannot be estimated from the available data Within each frequency grouping, undesired effects are presented in order of decreasing seriousness. Cardiac disorders: Uncommon: Palpitationsarrhythmias including bradycardia and tachycardia. Nervous system disorders: Very common: Headache, drowsiness. Common: Dizziness, abnormal taste. Very rare: Syncope Eye disorders: Very common : Ocular irritation including allergic reactions hyperaemia, burning, stinging, pruritis, foreign body sensation, conjunctival follicles; blurred vision, allergic blepharitis, allergic blepharoconjuctivitis, allergic conjunctivitis, ocular allergic reaction and follicular conjunctivitis. Common: Local irritation eyelid hyperaemia and oedema, blepharitis, conjunctival oedema and discharge, ocular pain and tearing; photophobia; corneal erosion and staining; ocular dryness; conjunctival blanching; abnormal vision; conjunctivitis. Very rare : Iritis anterior uveitis; miosis. Respiratory, thoracic and mediastinal disorders: Common: Upper respiratory symptoms. Uncommon: Nasal dryness. Rare: Dyspnoea Gastrointestinal disorders: Very common: Oral dryness. Common: Gastrointestinal symptoms. Vascular disorders: Very rare: Hypeension, hypotension. General disorders and administration site conditions: Very common: Fatigue. Common: Asthenia. Immune system disorders: Uncommon: Systemic allergic reactions. Psychiatric disorders: Uncommon: Depression. Very rare: Insomnia. The following adverse reactions have been identified during post-marketing use of Brimonidine eye drops in clinical practice. Because they are repoed voluntarily from a population of unknown size, estimates of frequency cannot be made. Not known: Eye disorders Iridocyclitis anterior uveitis Eyelid pruritus Skin and subcutaneous tissue disorders Skin reaction including erythema, face oedema, pruritus, rash and vasodilation 