Ivermectin 3mg to 45mg: Strengths, Forms, Prices & How to Choose
6 options available · Tablet · Capsule
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- Step 1Choose TreatmentSelect your treatment and quantity.
- Step 2Complete Health QuestionsAnswer a brief medical intake.
- Step 3Provider ReviewA licensed provider reviews your information.
- Step 4Pharmacy ShipsIf approved, your prescription is filled and shipped.
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Ivermectin is a prescription antiparasitic medication used to treat certain parasitic infections. Below you'll find every strength from 9mg to 45mg, Every order is reviewed by a licensed U.S. provider based on your health intake, and if a prescription is appropriate, it's filled and shipped by our licensed U.S. pharmacy.
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+ $30 provider review & $10 shipping only charged if approved
25 tablets
Refill up to 3 times without a new visit — fast processing.
+ $30 provider review & $10 shipping only charged if approved
10 capsules
Refill up to 3 times without a new visit — fast processing.
+ $30 provider review & $10 shipping only charged if approved
10 capsules
Refill up to 3 times without a new visit — fast processing.
+ $30 provider review & $10 shipping only charged if approved
10 capsules
Refill up to 3 times without a new visit — fast processing.
+ $30 provider review & $10 shipping only charged if approved
10 capsules
Refill up to 3 times without a new visit — fast processing.
+ $30 provider review & $10 shipping only charged if approved
20 tablets
Refill up to 3 times without a new visit — fast processing.
10-day supply
- Medication$40
- Provider review$30
- Shipping$10
- Total$80
Only charged if approved
Need another? Add more above — one $30 review + $10 shipping per order.
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- Only charged if a provider approves your prescription
- Estimated delivery: Thu–Fri, Oct 22–23
See price breakdown
Medication$0.00
Provider review$30.00
Shipping$10.00
Estimated total$0.00
Estimated delivery: Thu–Fri, Oct 22–23
Refill up to 3 times without a new visit — fast processing.
Estimated delivery: Thu–Fri, Oct 22–23 · discreet packaging
How It Works
- Step 1Choose TreatmentSelect your treatment and quantity.
- Step 2Complete Health QuestionsAnswer a brief medical intake.
- Step 3Provider ReviewA licensed provider reviews your information.
- Step 4Pharmacy ShipsIf approved, your prescription is filled and shipped.
Licensed U.S. PharmacyVerify license →LegitScript CertifiedVerify certification →
Discreet ShippingPlain, unmarked packaging
Secure CheckoutEncrypted & protected.
Ivermectin Dosing Reference Tool
An educational reference to help you prepare for your telehealth consultation.
Educational reference only.
Your actual dose will be determined by a licensed clinician during
your telehealth consultation. Do not begin or change any medication
based on this tool.
lbs
Please enter a weight between 80 and 600 pounds.
Low (0.2mg/kg)
—
Standard (0.3mg/kg)
—
High (0.4mg/kg)
—
Reference ranges are weight-based estimates and are not a prescription. Final medication selection and dosing require clinician approval.
Ivermectin
An antiparasitic tablet used for intestinal strongyloidiasis and onchocerciasis (river blindness)
Compare every ivermectin form, strength and price: Buy ivermectin online
Which Ivermectin option is right for you?
The products below are oral ivermectin capsules available in strengths from 9mg to 45mg. All are taken by mouth and are typically used for internal parasitic infections. The right strength depends on your diagnosis, weight, health history, and other medications you take. You do not need to choose on your own — the reviewing provider confirms which strength, if any, is suitable for you before a prescription is issued.
Choosing and Using Your Ivermectin
| Option | Form | How to Take |
|---|---|---|
| Ivermectin 12mg Tablet | Tablet · Rx | Take 1-2 tablets by mouth daily. |
| Ivermectin 12mg Capsule | Capsule · Rx | Take as needed by mouth. |
| Ivermectin 18mg Capsule | Capsule · Rx | Take as needed by mouth. |
| Ivermectin 30mg Capsule | Capsule · Rx | Take as needed by mouth. |
| Ivermectin 45mg Capsule | Capsule · Rx | Take as needed by mouth. |
| Ivermectin 3mg | Tablet · Rx | Take as a single dose, as directed by your prescriber. |
What Ivermectin Treats
Drug classAnthelmintic (antiparasitic)
TreatsIntestinal strongyloidiasis, onchocerciasis (river blindness)
PrescriptionRequired
What is Ivermectin?
Ivermectin is a prescription antiparasitic medication in the anthelmintic drug class. Ivermectin is the active ingredient in FDA-approved Stromectol (3mg tablets); this compounded 12mg tablet formulation is not Stromectol and is not FDA-approved. In tablet form, it is used to treat intestinal strongyloidiasis (threadworm infection) and onchocerciasis (river blindness). It works by binding to channels in the nerve and muscle cells of parasites, causing paralysis and death of the organism. Ivermectin is also available in topical forms for other conditions, but the 12mg tablet is used specifically for internal parasitic infections diagnosed by a healthcare provider.
What it treats
- Intestinal strongyloidiasis (threadworm infection)
- Onchocerciasis (river blindness)
- Off-label: certain other parasitic infections as directed by a provider
How to Take Ivermectin
- 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 to 12 months per provider.
- Follow your prescriber's exact weight-based dosing instructions.
Your prescriber will determine the dose and duration that are right for you. Always follow the directions on your prescription label.
Dosing shown is for Ivermectin 12mg Tablet. Each strength has its own directions in the comparison above and on its product page.
Ivermectin Side Effects
Common side effects
- Nausea
- Diarrhea
- Dizziness
- Itching (pruritus)
- Skin rash
- Headache
- Muscle or joint pain
- Fatigue or weakness
Serious side effects: get medical help right away
Stop taking this medication and seek medical attention right away if you experience:
- Severe allergic reaction (swelling, difficulty breathing)
- Low blood pressure or fainting
- Severe skin reactions
- Confusion, seizures, or trouble walking (neurologic effects)
- Eye pain, swelling, or vision changes (with onchocerciasis treatment)
- Rapid heartbeat
Warnings & Interactions
- Prescription only; use exactly as directed by your provider
- Mazzotti-type reactions (itching, rash, fever, joint pain) can occur when treating onchocerciasis
- Use caution in patients with heavy Loa loa infection due to risk of serious neurologic events
- Safety in children under 15 kg has not been established
- Discuss use during pregnancy or breastfeeding with your provider
- Repeat stool exams are recommended after strongyloidiasis treatment to confirm clearance
Tell your prescriber about all medications, supplements, and health conditions before starting ivermectin.
Choosing Between Tablets, Capsules, and Creams
Our oral options include the standard 3mg ivermectin tablet and compounded capsules in 9mg, 12mg, 18mg, 30mg, and 45mg strengths. Oral dosing is typically based on body weight and the condition being treated, which is why the reviewing provider — not the product page — determines the appropriate strength and course for you.
Our topical options include ivermectin 1% cream and 1.5% cream, as well as a combination cream containing ivermectin 1%, metronidazole 0.75%, and niacinamide 4%, which pairs the antiparasitic with an antimicrobial and a skin-conditioning ingredient. Topical products are most often prescribed for rosacea and related skin conditions. If you're unsure which product to select, choose the one closest to your needs and note your questions in the intake — the provider will adjust the prescription if needed.
Medical Review & Sources
Reviewed by David Paul Mackarey, RPh
Sources
Full dosing, side effects, warnings and sources for each strength are on its own product page.
Ivermectin FAQ
What is ivermectin used for?
Oral ivermectin is FDA-approved to treat intestinal strongyloidiasis and onchocerciasis, which are parasitic worm infections. Topical ivermectin cream is approved to treat the inflammatory lesions of rosacea. A licensed provider will confirm whether ivermectin is appropriate for your specific condition.
Is ivermectin safe?
Yes — FDA-approved ivermectin products are considered safe when prescribed by a licensed provider and used as directed. Side effects are possible, and it may not be appropriate for people who are pregnant, have liver disease, or take certain medications. Our ivermectin is dispensed only with a valid prescription.
Is ivermectin an antibiotic?
No. Ivermectin is an antiparasitic medication, not an antibiotic, so it does not treat bacterial infections. It works by paralyzing and killing parasites, and in cream form it also helps reduce inflammation associated with rosacea.
How long does it take for ivermectin to kill parasites?
Ivermectin begins acting on parasites within hours of a dose, but how quickly an infection fully resolves varies by the type of parasite and the individual. Some conditions require follow-up testing or repeat treatment. Your provider will explain what to expect for your specific diagnosis.
How much ivermectin should I take?
Oral ivermectin dosing is individualized — it's typically based on your body weight and the condition being treated. We can't provide dosing guidance on this page; the prescribing provider will determine the correct strength and instructions for you, and they'll be printed on your pharmacy label.
Where can I buy ivermectin?
Ivermectin requires a prescription in the United States, so it should only be purchased from a licensed pharmacy. On this page, you can add a product to your cart, complete a health intake, and a licensed U.S. provider will review it. If approved, your prescription is filled and shipped by our licensed U.S. pharmacy.
How long does ivermectin stay in your system?
Ivermectin has a plasma half-life of roughly 18 hours, and most of a dose is eliminated from the body within a few days. Its effects on parasites can continue after the drug itself clears. Individual factors like liver function can affect how long it stays in your system.
All Ivermectin Options
Full details, dosing, side effects, and warnings live on each product page.
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