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Stromectol (Ivermectin)

Type
Product
Manufacturer
Country
Dosage
Qty-Price (USD)
Type: drug type
Product: Stromectol Tablet
Manufacturer: Merck
Country: Canada
Dosage: 3 mg
Qty-Price (USD):

Generic Equivalent of Stromectol
Type
Product
Manufacturer
Country
Dosage
Qty-Price (USD)
Type: drug type
Product: Ivermectin Dispersible Tablet
Manufacturer: Generic
Country: India
Dosage: 3 mg
Qty-Price (USD):
Type: drug type
Product: Ivermectin
Manufacturer: Generic
Country: India
Dosage: 6 mg
Qty-Price (USD):
Type: drug type
Product: Ivermectin Tablet (Ivermectol - Sun Pharma)
Manufacturer: Generic
Country: India
Dosage: 12 mg
Qty-Price (USD):
Type: drug type
Product: Ivermectin Tablet (Ivermectol - Sun Pharma)
Manufacturer: Generic
Country: India
Dosage: 12 mg
Qty-Price (USD):

Stromectol Information

portrait medically reviewed by Dr. HaVy Ngo, Pharmacist on September 5, 2025.

Stromectol and Ivermectin at CanadaPharmacyOnline.com

The brand Stromectol (ivermectin) is manufactured and marketed by Merck in Canada.

Generic ivermectin is sourced from manufacturers that meet applicable regulatory standards. The specific manufacturer of your dispensed medication may vary.

Important Information about Generic Stromectol:

Generic ivermectin contains the same active ingredient as the brand-name Stromectol and is required to meet the same safety, effectiveness, and quality standards as the brand-name product. This means it is designed to work in the same way as Ivermectin, also known as Stromectol. Studies have demonstrated bioequivalence between generic and brand-name ivermectin, meaning they have comparable absorption rates and overall effects. However, individual responses to any medication can vary. If you have any questions about using generic ivermectin, talk to your doctor or pharmacist.

For more information about generic drug approval and bioequivalence, you can visit the FDA website: https://www.fda.gov/drugs/buying-using-medicine-safely/generic-drugs.

Dosage

Stromectol is commonly available in a single strength of 3 mg oral tablets.

Generic ivermectin is available in 3 mg, 6 mg, and 12 mg oral tablets.

Your doctor will determine the appropriate dose based on your individual needs, body weight, and the specific parasitic infection being treated.

Usage

Stromectol (ivermectin) is an anti-parasitic medication belonging to the avermectin class. It is used to treat certain parasitic infections in humans. Common uses include:
• Strongyloidiasis (intestinal threadworm): Treatment of intestinal infections caused by the roundworm Strongyloides stercoralis.
• Onchocerciasis (river blindness): Treatment of parasitic infections caused by the roundworm Onchocerca volvulus, which can affect the skin and eyes. While it helps control the microfilariae, it does not kill the adult worms.
• Other parasitic infections: Oral tablets are sometimes used off-label for conditions such as scabies and lice.

Mechanism of Action
Stromectol (ivermectin) is a broad-spectrum anti-parasitic agent with a unique mode of action. It works by selectively binding with high affinity to glutamate-gated chloride ion channels found exclusively in the nerve and muscle cells of invertebrates, which include the targeted parasites. This binding action dramatically increases the permeability of the cell membrane to chloride ions. The influx of chloride ions causes the nerve and muscle cells to become hyperpolarized, meaning their electrical charge becomes more negative and less likely to fire. This results in the paralysis and eventual death of the parasite.

A key reason for ivermectin's safety in humans is that it does not readily cross the blood-brain barrier in mammals. This limits its effects to the parasites and prevents it from significantly affecting the central nervous system of the human host, which contributes to its low toxicity.

Take Stromectol exactly as your doctor prescribes, following the instructions in the official product monograph from Merck in Canada. Consult your doctor for personalized guidance and safe use.

The information below summarizes some, but not all, potential side effects, risks, and interactions. Before taking Stromectol, it is essential to discuss all possible side effects, risks, and interactions with your doctor or pharmacist.

Side Effects

The information below is a partial list of side effects; individual reactions can vary. Before starting Stromectol, it is crucial to discuss potential side effects and risks with your doctor or pharmacist.

Common side effects - The following are some common side effects of Stromectol; other side effects may also occur. Contact your doctor promptly if any side effects persist, worsen, or concern you, or if you experience any other concerning symptoms.
• Abdominal pain/discomfort
• Constipation
• Diarrhea
• Dizziness
• Fatigue/Weakness
• Headache
• Loss of appetite
• Muscle or joint pain
• Nausea
• Pruritus (itching)
• Swollen lymph nodes
• Vomiting

Special Note on the Mazzotti Reaction:
In patients being treated for onchocerciasis (river blindness), side effects such as muscle or joint pain, itching, rash, fever, and swollen lymph nodes can be part of a well-known immune response called the Mazzotti reaction. The death of microfilariae causes this reaction, indicating that the medication is effective in treating the condition. A healthcare provider usually manages these symptoms.

Serious Side Effects - These are rare but potentially severe side effects. Seek immediate medical attention or call emergency services if you experience any of the following:
• Allergic reactions: Severe rash, hives, swelling of the face, lips, tongue, or throat, difficulty breathing, fever, swollen glands, flu-like symptoms, muscle aches, severe weakness, unusual bruising, or yellowing of your skin or eyes.
• Eye reactions (in onchocerciasis): Eyelid irritation or swelling, eye pain, redness, abnormal sensation in the eyes, conjunctivitis, keratitis, chorioretinitis.
• Liver problems: Symptoms like yellowing of the skin or eyes (jaundice), dark urine, persistent nausea or vomiting.
• Mazzotti reaction (in onchocerciasis): A common, usually mild to moderate, but sometimes severe, reaction that can occur following treatment of onchocerciasis. It is an allergic and inflammatory response to the dying microfilariae. It can include severe itching, rash, fever, swelling, joint and muscle pain, enlarged and tender lymph nodes, and eye irritation.
• Meningitis (in loaisis): sudden high fever, stiff neck, bad headache, nausea or vomiting, confusion, seizures, reduced appetite, light sensitivity.
• Neurological effects: Seizures, confusion, disorientation, lethargy, stupor, depressed level of consciousness, or coma (especially in patients co-infected with high numbers of Loa loa microfilariae).
• Orthostatic hypotension: Dizziness, lightheadedness, or fainting when getting up from a lying or sitting position.

Contraindications

The following is not an exhaustive list of contraindications. Before starting Stromectol, it is crucial to discuss all your medical conditions, past and present, and all medications you are taking with your doctor or pharmacist.

Stromectol should not be used if:
• The patient is a child weighing less than 15 kg.
• You are allergic to ivermectin or any other ingredient in Stromectol.

Tell your doctor about all of your medical conditions, past and present, before starting Stromectol. This is crucial because certain conditions affect whether Stromectol is right for you. These conditions may include, but are not limited to:
• Asthma: Some patients with onchocerciasis may experience a worsening of asthma.
• Loa Loa co-infection: Patients heavily infected with Loa Loa may be at increased risk of serious or fatal neurological side effects, including encephalopathy, following ivermectin treatment. Special measures and careful monitoring are required in endemic areas.
• Liver impairment.
• Weakened immune system: Patients with compromised immune systems (e.g., HIV infection, organ transplant recipients) may require more frequent or repeated doses for strongyloidiasis due to the parasites' ability to reproduce unchecked.

Drug Interactions

Before taking Stromectol, it is essential to discuss all potential risks and interactions with your doctor or pharmacist. For complete and up-to-date information, please visit the product monograph in Canada at https://pdf.hres.ca/dpd_pm/00063302.PDF.

Provide your doctor with a complete list of all your medications, including prescriptions, over-the-counter (OTC) drugs, vitamins, and herbal supplements. It is also essential to inform your doctor about any herbal teas, recreational drugs, or significant dietary changes you are making, as these could potentially interact with Stromectol. Stromectol may interact with other medicines, but is not limited to:
• Alcohol: Concomitant use with alcohol may increase the risk or severity of side effects, including dizziness, headache, nausea, and vomiting.
• Anticoagulants (blood thinners, e.g., warfarin): There have been rare post-marketing reports of increased INR (International Normalized Ratio) when ivermectin was co-administered with warfarin, potentially increasing the risk of bleeding. Close monitoring of INR is advised.
• CYP3A4 inhibitors: Certain medications can decrease the metabolism of ivermectin, potentially increasing its concentration in the blood and raising the risk of side effects. This includes:
o Antiarrhythmics: (e.g., amiodarone)
o Antibiotics: (e.g., azithromycin, clarithromycin)
o Antifungals: (e.g., ketoconazole, itraconazole)
o Calcium Channel Blockers: (e.g., diltiazem, verapamil)
o Protease Inhibitors: (e.g., ritonavir)
• Other drugs that affect GABA receptors: As ivermectin acts on chloride ion channels, theoretical interactions with other drugs that modulate GABA activity (e.g., benzodiazepines, barbiturates) may occur; however, the clinical significance is generally considered low at therapeutic doses.
• Vaccines (live bacterial vaccines): As a general precaution with anti-parasitics, the effectiveness of live bacterial vaccines may be reduced.

Pregnancy and Breastfeeding

Stromectol is generally not recommended during pregnancy unless the potential benefit outweighs the potential risk to the fetus, as animal studies have shown reproductive toxicity (e.g., cleft palate, skeletal malformations) at maternotoxic doses. There is limited human data. If you are pregnant or planning to become pregnant, discuss this with your doctor. Ivermectin is excreted into breast milk in low concentrations. The manufacturer recommends that treatment during nursing only occur if the risk of delayed treatment to the mother outweighs the possible risk to the infant, and that delaying treatment until one week after the child's birth is possible. Consult your doctor for personalized advice.

Use in Children

Stromectol is generally indicated for use in children weighing 15 kg (approximately 33 lbs) or more, or those 15 years of age and older, for the treatment of strongyloidiasis and onchocerciasis. The official prescribing information for Stromectol (ivermectin) states that its safety and efficacy have not been established in pediatric patients weighing less than 15 kg. In pediatric patients, the dosage is based on body weight.

Use in Older Adults

Elderly patients taking Stromectol should be monitored closely, especially for dizziness or lightheadedness, as they may be more susceptible to falls. A healthcare professional should carefully consider their general health status and pre-existing medical conditions (co-morbidities) before prescribing this medication.

Frequently Asked Questions about Stromectol at Canada Pharmacy Online:

Why is Stromectol more affordable in Canada than in the United States?

Prescription drug prices, including Stromectol, are generally lower in Canada than in the US due to a combination of factors, primarily government price regulations, differing market dynamics, and other economic considerations. In Canada, provincial and federal governments negotiate drug prices with pharmaceutical companies, which often results in lower costs compared to the US, where market forces play a more significant role. For more information, see the FAQs on Prescription Drug Importation from the Kaiser Family Foundation (KFF): https://www.kff.org/health-costs/issue-brief/faqs-on-prescription-drug-importation/.

How much is the shipping?

Our shipping fee is a flat rate of $10.00 per order. Our pharmacy is committed to offering you the lowest prices on high-quality products.

How do I place an order with your pharmacy?

Ordering from us is very simple. You can purchase online or call Customer Service at 1866.920.3784; for more information or to learn about the ordering process, visit our How to Order page.

Is there a limit on the number of tablets I can order at one time?

CanadaPharmacyOnline.com can only dispense a maximum of a three-month supply of Stromectol at a time, as per your doctor's prescription.

Can I buy over the counter from you?

No, Stromectol requires a valid prescription from your doctor. We do not sell this product without a valid prescription.

Do you ship to the United States?

Yes, we do. It usually takes 7 to 18 business days to receive your order from our pharmacy.

What is the best time to take Stromectol?

Stromectol should generally be taken on an empty stomach with water. This means at least 2 hours before or after a meal. Your doctor will provide specific instructions on the timing of your dose, especially for repeat treatments if necessary.

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The information on this page is sourced from independent third parties contracted by CanadaPharmacyOnline. While we cannot guarantee its medical accuracy, we strongly recommend consulting a healthcare professional for personalized advice regarding medications or medical conditions.

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Prescriptions Dispensed from Canada are Dispensed by Candrug Pharmacy #18985. 202A 8322-130th Street, Surrey, British Columbia, Canada V3W 8J9, 604-543-8711. Pharmacy Manager: Carol Hou.
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