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Toxicology
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93
Pharmacology
Professional
02/19/2011

Additional Pharmacology Flashcards

 


 

Cards

Term
Whorl Keratopathy
Definition

Toxicity of the epithelium --> sx of glare, photophobia, colored rings


CHATI


Chloroquine

Hydroxychloroquine

Amiodarone

Tamoxifen

Indomethacin

Term
SPK
Definition
Isotretinoin (accutane)
Term
Endothelial/Descemet's Pigmentation
Definition
Chlorpromazine
Term
Stromal Gold Deposits
Definition
Gold Salts
Term
Delayed Healing of the cornea
Definition
Corticosteroids
Term
Fabry Disease
Definition

A lysosomal disease that can cause..

Whorl Keratopathy and spoke like lens opacities

Term
Anterior Subcapsular
Definition

Chlorpromazine (stellate)

Amiodarone (deposits)

Miotics (vacuoles)

Gold Salts (gold deposits)

Term
PSC
Definition

Corticosteroids

-dose dependent and irreversible, Hispanics are at a greater risk

Term
Nystagmus
Definition

Phenytoin (dilantin)

Phenobarbital (luminal)

Salicylates (NSAIDs)

 

Term
Diplopia
Definition

Antidepressants

Antianxiety

Term
Smooth Pursuit impairment
Definition
Alcohol
Term
Oculogyric Crisis
Definition

-muscles undergo a spastic, abnormal muscle contractions that leave the eye abnormally positioned (usually elevated)

 

Phenothiazines

Cetirizine (Zyrtec)

Term
Intraoperative Floppy Iris Syndrome
Definition
Tamsulosin (Flomax)
Term
Uveitis
Definition

Cidofovir (Vistide)

Mycobutin (Rifabutin)

Sulfonamides 

Term
Blue Sclera
Definition

Corticosteroids

Minocycline

Term
NAION
Definition

Sildenafil (viagra)

Sumatriptan (Imitrex)

Amiodarone (cordarone)

 

Term
Intracranial Hypertension/Psuedotumor
Definition

Tetracylines (minocycline, doxycycline)

Isotretinoin (accutane)

demerol (can also cause papilledema)
Term
Drugs that DECREASE tear secretion
Definition

anticholinergics (atropine, scopolamine)

antihistamines, isotretinoin (accutane),

B blockers (timolol, atenolol, propanolol),

anto-depressants-[SSRIs (Fluoxetine), amitriptyline, imipramine (Tofranil)]

Phenothiazines-Chlorpromazine (thorazine), thioridazine (mellaril) 

Hormone therapies: oral contraceptives, hormone replacement

CNS Stimulants: methylphenidate (Ritalin), dextroamphetamine (Dexedrine)

Duiretics: hydrochlorothiazide (Hydrodiuril)

Term
Drugs that cause Mydriasis
Definition

Anticholinergics (atropine, scopolamine)

Antihistamines

Phenothiazides: chloropromazine (thorazine), thioridazine (mellaril)

CNS Stimulants: cocaine, methylphenidate (ritalin), dextroamphetamine (Dexedrine)

CNS depressants: phenobarbital (luminal), antianxiety drugs: diazepam (valium)

Term
Drugs that cause miosis
Definition

Opiates (morphine, heroine, codeine) demerol

Anticholinesterases (neostigmine)

--these are found in toxic nerve gases and most insectisides, can cause miosis for over a month- pralidoxime can be used to counteract

Term
Decreasing IOP
Definition

Systemic B Blockers 

Cardiac Glycosides (digoxin)

alcohol

cannabinoids (marijuana-max effect ~ 60-90 mins after, lasts 4 hrs)

Term
Increase IOP
Definition

Corticosteroids  (dec aqueous outflow)


Anticholinergics:

-atropine, scopolamine

-Antihistamines: bropheniramine (dimetane), diphenhydramine (benadryl)

-Tricyclic antidepressants: amitriptyline (elavil), imipramine (tofranil)

-Antipsychotics: phenothiazines- chlorpromazine (thorazine), thioridazine (mellaril)

Term
Amiodarone
Definition

Antiarrhythmic drug that can cause

 

-whorl keratopathy (inevitable at 400mg/day, at 100-200mg/day pt will have minimal or no corneal pathology)

-anterior subcapsular lens deposits (in higher doses > 600mg/day after 6 months of tx)

-NAION(within weeks of starting)

Term
Thioridazine
Definition
Pigmentary retinopathy-similiar to Bull's eye
Term
Chloroquine
Definition

Bull's Eye Retinopathy

 

(more common than with hydroxychloroquine)

risk of retinopathy decreases with dosage < 3mg/kg body weight and less than 5 yrs treatment duration and normal renal function.
Term
Chlorpromazine
Definition

endothelial/Descemet's pigmentation

Anterior Subcapsular (stellate)

Decreased tear production

mydriasis

Increased IOP

hyperpigmentation of RPE
Term
Tamoxifen
Definition

white or yellow crystalline deposits usually in the macula

with or without macular edema

crystalline retinopathy most common at doese > 6.5mg/kg/day x 5 years.
Term
Isoniazid/ Methotrexate
Definition
Optic Neuritis (but unlikely culprits)
Term
Indomethamcin
Definition
Retinal heme, pigmentary changes (especially in the macula)
Term
Steroids
Definition
decrease healing
PSC
increased IOP
blue sclera
Term
Isotretinoin (accutane)
Definition

SPK

Blepharoconjunctivitis

lid edema

dryness

color vision loss

nyctalopia (night blindness)

Increased intracranial HTN

Term
Talc
Definition
Retinopathy (shiny, white emboli within arterioles)
Term
Gold Salts
Definition

Stromal gold deposits

Anterior Subcapsular gold deposits

Term
Sulfonamides
Definition

ocualr finding are rare

 

Steven's johnson's syndrome

lid edema

Uveitis

Optic Neuritis

Term
Tetracycline
Definition

Pigmented cysts on conjunctiva

Increased Intracranial HTN

Term
Sildenafil (Viagra)
Definition

Subconj heme

conjunctival hyperemia

NAION

Term
Anti Histamines
Definition

Decresed tear secretion

mydriasis

increased IOP

Term
NSAIDs
Definition

subconj heme

Nystagmus

retinal heme

Term
Oral Contraceptives
Definition

Vasculopathy (arterial and vein occlusions, retinal heme)

 

Decreased tear secretion

Optic Neuritis

Papilledema, Pseudotumor

Term
Digoxin
Definition

Retrobulbar Optic Neuritis

B/Y Color defects

entoptic phenomenon (snowy vision, flickering lights)

decreased IOP

 

 

Term
Anti depressants
Definition

decreased tear secretion

increased IOP

Term
Epinepherine
Definition

CME 

(topical when used in aphakic pts)

Term
CNS Stimulants
Definition

Decreased tear secretion

mydriasis

Term
CNS depressants
Definition

mydriasis

nystagmus (phenobarbital)

Term
Anti Cholinergics
Definition

decreased tear secretion

mydriasis

Term
Ethambutol
Definition

 

optic neuritis-usually retrobulbar and bilateral

 

Chloramphenicol, streptomycin an sulfonamides can also cause optic neuritis


Term
Alcohol
Definition

decreased pursuit eye movements

decreased IOP

Term
Prostaglandin analogs
Definition
increased growth and pigmentation
Term
β Blockers
Definition

decreased tears

decreased IOP

Term
Treatment for meibomianitis
Definition
doxycycline 100mg BID x 4 weeks
then QD x 3-6 months
Term
Treatment for Acne Rosacea
Definition
doxycycline 100 mg BID until sx are relieved (2-6 weeks) then tapered to 100 mg x several weeks

long term tx with periostat (low dose- 20 mg)

metrogel cream

fish oil

omega 3s

treatment for rhinophyma: green tinted cosmetics, pulsed dye laser, for advanced: carbon dioxide laser, incisional surgery or electrocauterization.
Term
Chlamydia inclusion Conjunctivitis Treatment
Definition
doxycycline 100 mg BID x 10 days

or

azithromycin 1g
Term
Recurrent Corneal Erosions
Definition
broad spectrum antibiotic BID -QID go prevent infection. Preservative free tears q 1 hr, Muro 128 ung qhs x 3 months (cyclo to reduce pain) NSAID, bandage CL (unless intially CL related)

Matrix metalloproteinase inhibitors: oral Doxycycline 50 mg x 2 months and topical steroid TID x 3 weeks

surgical options: anterior stromal micropuncture, diamond burr polishing, PTK
Term
Acute Angle Closure Glaucoma
Definition
Diamox: total of 500 mg PO ( either 2- 250mg tabs or 1 - 500mg)

Glycerin: 4-6oz (use isosorbide in DM)
Term
Diamox in POAG
Definition
(not recommended due to SE)

250 mg q6hrs or 500 mg q12 hours
Term
Fuch's
Definition
Muro 128 gtts QID and ung qhs
Term
Dacryoadenitis, dacryocystitis, preseptal cellulitis treatment
Definition
Keflex 350-500mg BID -QID

Preseptal: Augmentin 875mg BID x 7 days can also be used.
Term
Gonococcal Conjunctivitis treatment
Definition
ceftriaxone 1gram IV q 12-24 hrs (if cornea is involved) x 3-5 days

1gram IM if cornea is not involved
Term
Orbital cellulitis treatment
Definition
ceftriaxone IV x 1 week
then oral antibiotics x 10 days
Term
Corneal ulcers
Definition
Fluroquinolone q 1-2 hrs for small ulcers

fortified q 1-2 hrs for larger or sight threatening ulcers
Term
Simple Bacterial Conjunctivitis
Definition
Fluoroquinolone QID x 5-7 days
Term
Corneal Erosion/abrasion
Definition
Fluroquinolone BID -QID depending on size and location
Term
Fluroquinolones
Definition
Zymar and Vigmaox are 4th gen. that have advanced potency for gram + while maintiaing gram -

all topical fluroquinolones, except Quixin are approved for pts > 1 yo
Term
TobraDex
Definition
used QID for inflammatory ocular conditions with associated bacterial infx (staph marginal keratitis, corneal infiltrates)
Term
Chloramphenicol SE
Definition
aplastic anemia
optic neuritis
grey baby syndrome
Term
Erythromycin
Definition
prophylaxis as noctural lubricant
prophylaxis for gonoccocal ophthalmia neonatorum
PO for chylamydial infx
Term
Chylamidia (trachoma and inclusion conjucntivitis)
Definition
Azithromycin single 1 g dose on empty stomach
Term
Blepharitis
Definition
AzaSite QD with loading dose of q12 hrs x a few days
Term
Rifabutin
Definition
Rifampin derivative (Tb med)

can cause uveitis, optic neuropathies, corneal endothelial deposits and pink tears.
Term
Fungal ulcer
Definition
natamycin (or amphotericin B) is prescribed q1-2hrs while awake

add oral antifungals in severe cases

*do not use natamycin in pregnant pts.

Sabouraud's agar is recommended
Term
Acanthamoeba
Definition
oral ketoconazole 200mg x several weeks
Term
HSV Epithelial Keratitis
Definition
Viroptic q2 hrs (9x/day) until lesion is healed (5-7 days) then 5x/day x 5-7days.

OR

Zirgan 5x/day until healed, then TID x 7 days.
Term
HSV stromal keratitis
Definition
Viroptic QID (prophylaxis) and PredForte QID

(less commonly used-topicals are standard)
acyclovir 400mg 5x/day x 7days
OR
Valtrex 500 mg TID x 7days
OR
Famciclovir 250mg TID x 7days
Term
Active HZO keratitis
Definition
acyclovir 800mg 5x/day x 7days
OR
Valtrex 1000mg TID x 7days
OR
Famciclovir 500mg TID x 7days
Term
CMV
Definition
ganciclovir IV or intraocular implant

foscarnet IV (if ganciclovir fails)
Term
Prophylaxis for HSV keratitis
Definition
acyclovir 400 mg BID
OR
Valtrex 250mg BID
OR
Famciclovir 125mg BID
Term
Ocular Pediculosis
Definition
removal of lice and eggs with jeweler's forceps
bacitracin or erythromycin TID x 1-2 weeks
anti lice lotion and shampoo (Kwell to non ocular areas)
Term
benign essential blepharospasm
Definition
sinemet (antiparkinson's med can be used)
Contraindications: schizophrenia,cardiac arrythmia, melanoma, risk of angle closure.
or bromocriptine
Term
Pituitary Adenoma
Definition
Bromocriptine for prolactin secreting adenomas.
Term
Donepezil
Definition
ACE inhibitor-tx Alzeheimer's dementia
SE: cataracts, blurred vision, eye irritation, glaucoma (pre existing GL may be relative contraindication)
Term
Warfarin
Definition
vitmain K antagonist used for chronic anticoagulation

should be d/c 96-115 hours (4 doses)b4 cataract surgery
Term
episcleritis
Definition
mild steroid QID x 5-7 days

ibuprofen 200-600mg TID x 5-7 days

artifical tears & cold compresses

67% recurrence
Term
pingueculitis
Definition
mild steroid BID -QID x 5-7days
Term
scleritis
Definition
(topicals are NOT effective)

oral steroid 60-100mg QD x 1 week, taper to 20mg QD x 203 weeks then continue to taper

find underlying cause (50% associated with systemic dz)

Ibuprofen 400-600mg QID or indomethacin 25mg TID, or Naproxen 250-500mg BID (1-3 weeks)
Term
GCA
Definition
80-100mg QD x 204 weeks or until sx resolve and ESR is normal. (this tx is started 3 days AFTER initial 3 days of IV methylprednisolone)
Term
Thyroid Eye Disease
Definition
oral steriod 100mg QD x 2-14 days
Term
Triamcinolone Injections
Definition
Diabetic Macular Edema
Grave's orbitopathy
intermediate and non resolving posterior uveitis
chalazion removal
CME s/p cataract SX (if topical fails)
macular edema s/p CRVO
CME associated with non infectious posterior uveitis
Term
Post op cataract patient
Definition
PredForte QID
topical NSAID BID-QID
Term
Hydroxychloroquine
Definition
tx lupus, RA, malaria

bull's eye maculopathy (but lower risk compared to chloroquine)
risk of retinopathy is low as long as daily dose does not exceed 400mg/day or 6.5mg/kg of body weight/day. anyone <135lbs is at increased risk if taking standard dose of 400mg/day. duration of <5 yrs and normal renal function dec risk.
Term
Irvine Gass Syndrome
Definition
6-10 weeks s/p cataract surgery

NSAID BID + PredForte QID
Term
SLK treatment
Definition
silver nitrate (0.5%-1%) application for moderate/severe cases.
Term
Acanthamoeba
Definition
antiparasitic drugs (brolene, polyhexamethyl biguanide) q 1-2 hrs
Term
anterior uveitis
Definition
PredForte 1% q 1-2 hours
homatropine 5% q 12 hours
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