Ivermectin
General
- Type: antiparasitic
- Dosage Forms: 3
- Common Trade Names: Stromectol
Adult Dosing
strongyloidiasis: 0.2 mg/kg PO x1
onchocerciasis: 0.15 mg/kg PO x1
scabies, non-crusted: 0.2 mg/kg PO x1
scabies, crusted: 0.2 mg/kg PO x1 on days 1,2,8,9,15
pediculosis capitis: 0.2 mg/kg pO q10 days x2 doses
pediculosis corporis: 12 mg PO q7 days x3 doses
pediculosis pubis: 0.25 mg/kg PO q2wk x2 doses
Pediatric Dosing
Special Populations
- Pregnancy Rating: C
- Lactation: Safety Unknown
- Renal Dosing- not defined
- Hepatic Dosing- not defined
Contraindications
- Allergy to class/drug
Adverse Reactions
Serious
- hypotension, orthostatic
- tachycardia
- seizures
- Stevens-Johnson syndrome
- toxic epidermal necrolysis
- asthma exacerbation
- vision loss
- conjunctival hemorrhage
- hepatitis
Common
- pruritus
- rash
- fever
- edema
- lymphadenopathy
- headache
- myalgia
- dizziness
- tachycardia
- abnormal eye sensation
- limbitis
- conjunctivitis
- ocular inflammation
- hypotension, orthostatic
- ALT, AST elevated
- eosinophilia
Pharmacology
- Half-life: 18h
- Metabolism: liver, CYP450: unknown
- Excretion: feces primarily, urine < 1%
- Mechanism of Action: increases invertebrate nerve and muscle cell membrane permeability by binding to chloride ion channels, resulting in paralysis and death of parasite