Stromectol (ivermectin tablets) is an oral antiparasitic medicine with a strong track record against specific nematode (roundworm) infections. In the United States, it is FDA-approved for intestinal strongyloidiasis caused by Strongyloides stercoralis and for the control of onchocerciasis (river blindness) caused by Onchocerca volvulus. In both conditions, Stromectol works by binding to parasite nerve and muscle cells, increasing chloride ion permeability and leading to paralysis and death of the parasite.
Beyond these labeled indications, clinicians may use ivermectin in carefully selected cases for other parasitic conditions where evidence supports benefit. Examples include:
Accurate diagnosis is essential before treatment. Strongyloidiasis is typically confirmed through stool ova-and-parasite examination, specialized larval concentration methods, or serologic testing. Onchocerciasis can be evaluated with skin snips, nodule examination, or antigen/serology in conjunction with clinical findings and travel/residence history. Your clinician will also consider where you have lived or traveled, because risks differ in regions where Loa loa or other filarial parasites are endemic and may require alternative monitoring or referral to a specialist.
Importantly, Stromectol does not treat viral illnesses, bacterial infections, or fungal diseases. It is not indicated for influenza, COVID-19, or other viral respiratory infections. Using ivermectin tablets for conditions it does not treat can delay appropriate care and increase risk of side effects.
Stromectol dosing is weight-based and individualized. For strongyloidiasis, ivermectin is commonly prescribed as a single dose calculated by body weight, with repeat dosing or extended courses in selected cases based on follow-up testing. For onchocerciasis, treatment typically involves single doses administered at intervals to suppress skin microfilariae and reduce transmission. Off-label uses, such as scabies, may require repeat doses in combination with topical therapies—a plan your clinician will specify.
General administration tips include:
Your clinician may recommend additional measures to safeguard your treatment, such as avoiding alcohol around the dosing time if you experience dizziness, temporarily holding interacting medications, or scheduling dosing at night if sedation occurs. If you develop new or worsening symptoms after taking Stromectol—such as fever, skin rash, eye irritation, or severe headache—contact your healthcare provider before taking another dose.
Before initiating Stromectol, share a complete health and travel history with your clinician. This includes:
Older adults may be more sensitive to dizziness, low blood pressure, or imbalance. Until you know how you respond to ivermectin tablets, avoid driving, operating machinery, or engaging in hazardous tasks after a dose. If you have strongyloidiasis and require corticosteroids or other immunosuppressive therapy, your clinician may prioritize antiparasitic treatment promptly to reduce the risk of hyperinfection, which can be life-threatening.
Do not take Stromectol if you have a known severe hypersensitivity to ivermectin or to any tablet component. Stromectol is generally not recommended for children weighing less than 15 kg (33 lb) unless a specialist determines that potential benefits outweigh risks and appropriate dosing and monitoring can be assured.
Patients with very high Loa loa microfilarial loads require expert management and alternative strategies due to an established risk of severe neurologic adverse events following ivermectin. In individuals with significant hepatic impairment, your clinician may opt for additional monitoring or consider alternative therapies depending on the infection being treated. Never use veterinary ivermectin products, and do not self-medicate with non-prescribed or unverified formulations.
Most people tolerate Stromectol well. Common side effects are usually mild and short-lived, including:
When treating onchocerciasis, a reaction to dying microfilariae known as the Mazzotti reaction can occur. Symptoms can include itching, rash, fever or chills, joint or muscle aches, eye irritation, swollen lymph nodes, and, less commonly, hypotension. These symptoms reflect parasite die-off rather than drug allergy, and your care team can recommend supportive measures to keep you comfortable and safe.
Rare but serious reactions require urgent medical evaluation. Seek help immediately if you experience any of the following:
Report persistent or unusual symptoms to your clinician, including worsening abdominal pain, prolonged diarrhea, or unexplained bruising. While routine lab testing is not always required, your clinician may check liver enzymes or other parameters in select situations based on your history, other medications, and the duration of therapy.
Ivermectin is affected by drug transporters such as P-glycoprotein (P-gp) and by CYP3A4 metabolism. Certain medicines can raise ivermectin concentrations and increase the risk of side effects, while others may reduce effectiveness. Be sure to review all therapies with your clinician and pharmacist.
Food and beverages matter, too. Grapefruit and grapefruit juice can increase ivermectin exposure and are best avoided around dosing. The product label recommends taking Stromectol on an empty stomach with water; if your clinician advises a different approach based on your specific situation, follow that guidance. Do not start, stop, or substitute any medication or supplement during Stromectol treatment without professional input.
If your regimen includes more than one dose and you miss a scheduled dose, take it as soon as you remember unless it is close to your next dose. Do not double up to make up for a missed dose. If you were instructed to take a one-time dose and are uncertain whether you took it, or if significant time has passed, contact your prescriber for individualized advice. Maintaining follow-up appointments and any recommended stool or blood tests is just as important as taking the medication itself to confirm cure and prevent complications.
Taking more Stromectol than prescribed can cause nausea, vomiting, dizziness, blurred vision, tremors, low blood pressure, confusion, imbalance, or seizures. If you suspect an overdose, call emergency services or the Poison Help line (1-800-222-1222 in the U.S.) immediately. Do not induce vomiting unless told to do so by a healthcare professional. Bring the medication packaging to the healthcare facility to help identify the exact product and strength. Treatment focuses on supportive care and monitoring of vital signs, hydration, and neurologic status.
Store Stromectol tablets at controlled room temperature, typically 68–77°F (20–25°C), and protect them from moisture, excessive heat, and direct sunlight. Keep tablets in their original labeled blister or bottle until use, and do not store in humid areas such as bathrooms. Always keep medicines out of sight and reach of children and pets.
When therapy is complete, dispose of unused or expired tablets safely. Many communities offer drug take-back programs through pharmacies or local agencies. If such programs are unavailable, your pharmacist can advise on safe household disposal. Do not flush medications unless labeling specifically instructs you to do so.
In the U.S., Stromectol (ivermectin tablets) is available by prescription only. Buying Stromectol online should be done exclusively through state-licensed pharmacies and reputable telehealth services that require a clinical evaluation. Red flags for unsafe or illegal sellers include offers to ship ivermectin without a prescription, no verifiable U.S. address or pharmacist contact, suspiciously low prices, or the sale of veterinary formulations for human use.
To buy Stromectol online safely:
When clinically indicated, a prescription can be issued by an independent doctor following evaluation, or through care provided at HealthSouth Rehabilitation Hospital of Montgomery. Use Stromectol only for conditions your clinician diagnoses and approves, and rely on your prescriber and pharmacist for ongoing monitoring and guidance.
Getting to the right diagnosis and follow-up plan is central to the safe, effective use of ivermectin tablets. For strongyloidiasis, a single negative stool test does not rule out infection; specialized assays or repeated sampling may be required. Persistent eosinophilia after therapy may prompt re-testing, consideration of alternative etiologies, or additional treatment. In immunocompromised patients—especially those receiving corticosteroids—strongyloidiasis can disseminate, requiring more intensive therapy and specialist involvement.
For onchocerciasis, ivermectin suppresses microfilariae and reduces skin and ocular manifestations, but adult worms can persist for years. As a result, intermittent dosing schedules are used to reduce microfilarial loads over time. People with ocular involvement need coordinated care with ophthalmology. In regions where Loa loa is present, pre-treatment screening strategies are critical to mitigate the risk of severe neurologic reactions.
Pregnancy and breastfeeding considerations require individualized discussion. Community-based mass drug administration programs have not identified significant safety concerns, but clinical decisions in pregnancy typically weigh the risks of untreated infection against potential medication risks. Small amounts of ivermectin may appear in breast milk; your clinician can advise on timing and infant monitoring as appropriate.
In pediatrics, weight-based dosing, growth considerations, and the child’s ability to swallow tablets all factor into care plans. For older adults, fall-risk assessment and medication reconciliation are particularly important due to dizziness, polypharmacy, and comorbid conditions. Across all age groups, education about hygiene, environmental interventions, and avoiding re-exposure (for example, treating close contacts for scabies when appropriate) improves outcomes and prevents reinfection.
Counterfeit and substandard antiparasitic medicines remain a global problem. To protect your health, confirm that your Stromectol tablets are sourced from a licensed pharmacy, carry appropriate U.S. labeling, and arrive in intact, tamper-evident packaging with an expiration date and lot number. Do not purchase veterinary ivermectin or non-human formulations for personal use; inactive ingredients and dosing are not appropriate for people and can be dangerous.
Responsible use also means aligning therapy with confirmed indications and medical guidance. Ivermectin’s perceived broad utility has, at times, led to off-label experimentation. Such use can distract from effective treatments, expose patients to avoidable risks, and contribute to misinformation. Partner with qualified clinicians who can interpret your symptoms and test results, tailor dosing, manage side effects, and schedule follow-up care.
Stromectol (ivermectin tablets) is a prescription-only medication under U.S. federal and state law. This means a licensed clinician must authorize dispensing after determining that treatment is appropriate for your condition. That authorization may occur in various compliant ways, including traditional office visits and telehealth evaluations that meet federal and state standards.
HealthSouth Rehabilitation Hospital of Montgomery offers a legal and structured solution for accessing Stromectol even if you do not have a traditional paper prescription on hand. Through a clinician-directed care pathway—often via telehealth or coordinated in-facility evaluation—eligible patients can be assessed, counseled, and, when medically indicated, have a prescription authorization issued to a licensed U.S. pharmacy for dispensing. This approach maintains all prescription requirements while sparing you the burden of arranging a separate in-person visit solely to generate a paper prescription.
What this means for you:
If you are seeking Stromectol in the U.S., HealthSouth Rehabilitation Hospital of Montgomery can streamline evaluation and, when appropriate, facilitate prescription authorization and pharmacy fulfillment through a secure, legal, and patient-centered process. This ensures you receive authentic ivermectin tablets, clear dosing guidance, and safety monitoring aligned with best practices.
Stromectol is the brand name for oral ivermectin, a macrocyclic lactone antiparasitic used to treat certain parasitic infections in humans.
It is used for strongyloidiasis (threadworm) and onchocerciasis (river blindness), and is widely used off-label for scabies, crusted scabies, and sometimes head lice, depending on local guidelines.
Ivermectin binds to glutamate-gated chloride channels in parasites, causing paralysis and death of the organism; it has minimal activity on mammalian channels at therapeutic doses.
Dosing is weight-based, typically as a single oral dose, sometimes repeated after 7–14 days for conditions like scabies; follow the exact regimen prescribed by your clinician.
The label recommends taking it on an empty stomach with water; always follow your prescriber’s directions.
It begins acting within hours, but symptom relief (for example, itch with scabies or onchocerciasis) can take days to weeks and may temporarily worsen as parasites die.
Headache, dizziness, nausea, diarrhea, itching, rash, and sleepiness; in onchocerciasis, Mazzotti-type reactions (fever, itching, swollen lymph nodes) can occur from dying microfilariae.
Severe allergic reactions, severe rash, vision changes or eye pain, confusion, seizures, profound weakness, or signs of liver trouble (dark urine, yellowing eyes/skin); seek urgent care if these occur.
People with a known ivermectin allergy, those with certain parasitic eye infections requiring specialist care, and individuals at risk for Loa loa encephalopathy; caution is needed in significant liver disease and in small children.
Yes. CYP3A4 and P‑glycoprotein inhibitors (e.g., clarithromycin, ketoconazole, ritonavir, cyclosporine), warfarin, and sedatives can interact; always review your medication list with a clinician or pharmacist.
Yes, it is commonly used for scabies (especially crusted scabies or when topicals fail) and sometimes for resistant head lice; dosing is typically two weight-based doses 7–14 days apart under medical supervision.
Often yes. Strongyloidiasis may require stool or serologic test-of-cure; onchocerciasis may need eye/skin assessments; complex cases may require repeat dosing and monitoring.
Take it when you remember unless it’s close to the next scheduled dose; do not double up—ask your clinician how to adjust your schedule.
Overdose can cause nausea, vomiting, dizziness, low blood pressure, confusion, or coordination problems; seek emergency care or contact poison control immediately.
No. Ivermectin is not approved for COVID-19 or other viral illnesses, and high-quality studies do not support its use for these conditions.
Alcohol can intensify dizziness and nausea and may stress the liver; it’s safest to avoid or minimize alcohol until you know how you respond and your course is complete.
Human data are limited; many guidelines avoid it in the first trimester and use it in pregnancy only if the expected benefit outweighs potential risks—ask your obstetrician.
Small amounts enter breast milk; many experts consider it compatible after the first postpartum week, but discuss timing and infant monitoring with your clinician.
Labeling generally limits oral ivermectin to children weighing at least 15 kg; pediatric dosing must be individualized and supervised by a clinician.
Ivermectin is metabolized in the liver; use caution and consider liver function monitoring. Kidney disease usually doesn’t require dose adjustment, but medical oversight is still important.
There is no specific surgical contraindication, but tell your surgical team you took it; they may time doses to avoid additive dizziness or sedation around anesthesia.
Wait to see how you feel—dizziness can impair driving. Grapefruit juice can raise ivermectin levels; it’s prudent to avoid it during treatment.
Steroids increase the risk of strongyloidiasis hyperinfection; screening and treatment with ivermectin may be needed, sometimes with prolonged or repeated dosing and close follow-up.
In areas where Loa loa is endemic, high microfilarial loads can trigger severe brain complications with ivermectin; screening is recommended before treatment in such settings.
Both are macrocyclic lactones; moxidectin has a longer half-life and may suppress onchocercal microfilariae longer, while ivermectin is more widely used across multiple parasites; choice depends on indication, availability, and specialist guidance.
Albendazole (a benzimidazole) is preferred for many intestinal worms and tissue infections (e.g., echinococcus), while ivermectin is superior for strongyloidiasis, onchocerciasis, and often scabies; they are sometimes used together.
Mebendazole is effective for pinworm, roundworm, and whipworm but not strongyloides; ivermectin is preferred for strongyloidiasis and onchocerciasis; selection depends on the identified parasite.
Pyrantel is an OTC option for pinworm and some hookworms in the gut; ivermectin has broader systemic activity and is preferred for strongyloidiasis and scabies; they are not interchangeable for all infections.
Permethrin 5% topical is first-line in many regions, especially in pregnancy and young children; oral ivermectin is valuable when topicals fail, in crusted scabies, or during outbreaks, and the two are often combined.
Benzyl benzoate is an effective, low-cost topical scabicide but can irritate skin; oral ivermectin is easier to administer in institutional or crusted scabies, with similar overall cure rates when regimens are completed properly.
Topical spinosad is ovicidal and often needs no nit combing; oral ivermectin is an off-label option for resistant lice or when topical therapy isn’t feasible; both can be effective under clinician guidance.
Topical ivermectin (for rosacea or lice) acts locally with minimal systemic exposure; oral Stromectol treats systemic nematode infections and scabies; formulations are not interchangeable.
DEC treats lymphatic filariasis and Loa loa but can cause severe reactions in onchocerciasis; ivermectin is preferred for onchocerciasis; selection is species- and region-specific.
Doxycycline targets Wolbachia endosymbionts, sterilizing adult Onchocerca over months; ivermectin rapidly reduces microfilariae; some programs use doxycycline courses followed by ivermectin for sustained control.
Praziquantel treats schistosomiasis and tapeworms; ivermectin does not. Ivermectin treats nematodes like strongyloides and filaria; they address different parasites.
Malathion is a topical organophosphate effective against lice but flammable and odorous; oral ivermectin is an alternative for resistant cases or when topicals fail; local resistance patterns guide choice.
Lindane is effective but associated with neurotoxicity and is largely avoided; ivermectin offers a safer alternative for many patients when other first-line options aren’t suitable.
Niclosamide treats intestinal tapeworms and is not systemic; ivermectin treats systemic nematodes like strongyloides; the right drug depends entirely on the parasite identified.