Ivermectin 18mg
Generic For: Stromectol
Ivermectin 18mg (brand name Stromectol) is a prescription antiparasitic medication used to treat intestinal strongyloidiasis and onchocerciasis, also known as river blindness. After a licensed provider reviews your health information and confirms the prescription is appropriate, your order ships from a licensed U.S. pharmacy.
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Ivermectin (Stromectol) — an antiparasitic medication for intestinal strongyloidiasis and onchocerciasis (river blindness)
Ivermectin 18mg Quick Facts
| Drug class | Antiparasitic (anthelmintic) |
|---|---|
| Treats | Intestinal strongyloidiasis, onchocerciasis (river blindness) |
| Form | Capsule |
| Typical dosing | Take as needed by mouth. |
| Prescription required | Yes — prescription only |
What Is Ivermectin 18mg?
Ivermectin is an antiparasitic medication in the anthelmintic class, sold under the brand name Stromectol. It works by binding to specific channels in parasite nerve and muscle cells, paralyzing and killing the parasites. It is FDA-approved to treat intestinal strongyloidiasis (a roundworm infection) and onchocerciasis (river blindness, caused by a parasitic worm spread by blackflies). Ivermectin for humans requires a prescription and should only be taken under the direction of a licensed healthcare provider.
What Does Ivermectin 18mg Treat?
Intestinal strongyloidiasis (threadworm infection)
Onchocerciasis (river blindness)
Scabies (off-label, when prescribed by a provider)
Head lice (off-label, when prescribed by a provider)
Certain other parasitic infections as directed by a provider
Ivermectin 18mg Dosage
Strongyloidiasis: 200 mcg/kg by mouth as a single dose on an empty stomach with water
Onchocerciasis: 150 mcg/kg by mouth as a single dose; may be repeated every 3–12 months per provider
Exact dose is weight-based and determined by your prescriber
Your prescriber will determine the dose and duration that are right for you. Always follow the directions on your prescription label.
Ivermectin 18mg Side Effects
Common side effects
- Dizziness
- Nausea
- Diarrhea
- Itching (pruritus)
- Skin rash
- Fatigue or weakness
- Headache
- Muscle or joint aches
Serious side effects
Stop taking this medication and seek medical attention right away if you experience:
- Severe skin reactions (blistering, peeling rash)
- Severe dizziness, fainting, or low blood pressure
- Confusion, seizures, or difficulty walking
- Eye pain, swelling, redness, or vision changes
- Severe allergic reaction (swelling of face, lips, or throat; trouble breathing)
- Mazzotti-type reactions (fever, swollen lymph nodes, rapid heartbeat) in onchocerciasis treatment
Warnings & Interactions
Do not use ivermectin products intended for animals; they are not safe for humans
Patients from Loa loa–endemic areas may be at risk of serious neurologic reactions (encephalopathy)
Not FDA-approved to treat or prevent COVID-19
May increase INR in patients taking warfarin; monitoring may be needed
Immunocompromised patients with strongyloidiasis may require repeat courses and stool exams
Tell your provider if you are pregnant or breastfeeding before use
Do not use if allergic to ivermectin or any component of the product
Tell your prescriber about all medications, supplements, and health conditions before starting ivermectin 18mg.
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