Oral Medications in Eye Care
Oral Medications Overview
Pharmaceutical Management with Ophthalmic Orals
Oral medications play a significant role in the management of various eye conditions when topical treatments are insufficient or impractical. Optometrists may prescribe oral agents for a range of ocular diseases, including severe uveitis, ocular herpes, and certain forms of glaucoma, where systemic treatment is necessary to achieve therapeutic effects. These medications are essential for providing comprehensive care, particularly in cases where localized treatment alone cannot adequately address the condition.
Commonly used oral medications in ocular therapy include antibiotics, antiviral drugs, and carbonic anhydrase inhibitors. Oral antibiotics, such as doxycycline and azithromycin, are often prescribed for their broad-spectrum anti-infective properties, effectively treating bacterial infections that affect the eye and surrounding tissues. Antiviral drugs like acyclovir and valacyclovir are crucial for managing viral infections such as ocular herpes, reducing viral replication and mitigating symptoms.
For conditions like glaucoma, where intraocular pressure needs to be controlled systemically, oral carbonic anhydrase inhibitors, such as acetazolamide, are utilized to decrease aqueous humor production and lower intraocular pressure. These medications are particularly useful in acute situations or when patients are unresponsive to topical treatments.
Understanding the indications, mechanisms of action, and potential side effects of oral medications is vital for optometrists and eye care professionals. This knowledge ensures that they can effectively integrate oral medications into treatment plans, providing optimal care and improving patient outcomes. By leveraging the systemic effects of oral medications, eye care providers can address complex ocular conditions comprehensively and enhance the overall quality of vision care.
Oral Medications Table
Brand | Generic | Dosing | Amount | Ages | Pregnancy | Mechanism |
---|---|---|---|---|---|---|
amoxicillin | 500mg po bid-tid x10d | 250/500/875mg | >3 months | B | penicillin | |
amoxicillin clavulanate | 250-500mg po bid-tid x10d | 250/500/875mg | >3 months | B | penicillin β-lactamase inhibitor | |
acetazolamide | 500mg po bid | 125/250mg 500mg ('Sequels') | >12 years | C | carbonic anhydrase inhibitor ↓ aqueous production | |
dicloxacillin | 250mg po qid | 250/500mg | >3 months | B | penicillin | |
famciclovir | 250mg po tid x 7d (simplex) 500mg po tid x 7d (zoster) | 125/250/500mg | NA | B | guanine analogue | |
cephalexin | 1-4g/d po | 250/500/750mg | >1 year | B | cephalosporin | |
acetaminophen 300mg codeine 30mg | q4-6h | single tablet | >18 years | C | analgesic narcotic (Sch.III) | |
acetaminophen 325mg tramadol 37.5mg | q4-6h (max 8 tabs/d) | single tablet | >12 years | C | analgesic narcotic (Sch.IV) | |
tramadol hydrochloride | q4-6h (max 400mg/d) | 50mg | >18 years | C | narcotic (Sch.IV) | |
valcyclovir | 500mg po tid (simplex) 1g po tid x7d (zoster) | 500mg/1g | >12 years | B | guanine analogue | |
doxycycline | 100mg po bid x7d | 50/100mg | >8 years | D | tetracycline | |
acetaminophen 300mg hydrocodone 5mg | q4-6h (max 12 tabs/d) | single tablet | NA | C | narcotic (Sch.II) | |
azithromycin | bid po x1d, then qd po x4d | 250mg x6 250/500/600mg | >6 months | B | macrolide | |
acyclovir | 400mg po 5x/d x7d (simplex) 800mg po 5x/d x7d (zoster) | 200/400/800mg | >2 years | B | inhibits DNA polymerase |