Betaxolol belongs to the drug class of beta blockers wherein these drugs block the action of the beta adrenergic receptors in different organs, including the heart and the bronchial tissues. Oral beta blockers (i.e. Propranolol) must be avoided because there can be additive effects of the ophthalmic drops and the oral drug and may cause severe bradycardia (and/or asthma exacerbation, if the patient has asthma).
I believe the correct answer is B
The correct answer is "headache and confusion".
The human body has several mechanisms of action in order to protect critical organs from excess blood pressure and flow. When these mechanisms are not successful in protecting the capillaries of the brain, the patient could suffer from cerebral edema (swelling of the brain) and papilledema (swelling of the optic nerve). These conditions could cause severe headache, confusion, motor and sensory problems and visual disturbances.
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