On this page · 9 sections

Stromectol

Generic name: ivermectin (oral)

Last updated November 3, 2026 0 views
Share

What is Stromectol?

Stromectol is a medicine that fights parasites.

Stromectol is used to treat infections in the body caused by specific parasites.

Stromectol may also be used for reasons not mentioned in this medication guide.

This section was rewritten for readability and reviewed for meaning.

How should I take Stromectol?

Follow all directions on your prescription label. Do not take Stromectol in larger or smaller amounts or for longer than recommended.

Take Stromectol on an empty stomach, at least 1 hour before or 2 hours after a meal.

Stromectol is usually given as a single dose. Take this medicine with a full glass of water.

To effectively treat your infection, you may need to take Stromectol again several months to a year after your first dose.

If you have a weak immune system (caused by disease or by using certain medicine), you may need to take more than one dose of ivermectin. Some people who have a weak immune system need to take this medicine on a regular basis. Follow your doctor's instructions.

To make sure this medicine is working, you may need to provide frequent stool samples.

Store this medicine at room temperature away from moisture and heat.

This section was rewritten for readability and reviewed for meaning.

Warnings

Follow all instructions on your medicine label and package. Inform each of your healthcare providers about all your medical conditions, allergies, and all medicines you are taking.

This section was rewritten for readability and reviewed for meaning.

Before taking this medicine

You should not use Stromectol if you are allergic to it.

To make sure Stromectol is safe for you, tell your doctor if you have:

  • liver or kidney disease; or
  • cancer, HIV or AIDS, or other conditions that can weaken your immune system.

It is not known whether Stromectol will harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant while using this medication.

Ivermectin can pass into breast milk and may harm a nursing baby. Tell your doctor if you are breast-feeding a baby.

Stromectol should not be given to a child who weighs less than 33 pounds (15 kg).

This section was rewritten for readability and reviewed for meaning.

Stromectol side effects

Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Stromectol may cause serious side effects. Call your doctor right away if you have:

  • eye pain or redness, puffy eyes, problems with your vision;
  • severe skin rash, itching, or rash with pus;
  • confusion, change in your mental status, balance problems, trouble walking;
  • fever, swollen glands, stomach pain, joint pain, swelling in your hands or feet;
  • fast heart rate, trouble breathing;
  • loss of bladder or bowel control;
  • neck or back pain, seizure (convulsions); or
  • a light-headed feeling, like you might pass out.

Common side effects of Stromectol may include:

  • headache, muscle aches;
  • dizziness;
  • nausea, diarrhea; or
  • mild skin rash.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

This section was rewritten for readability and reviewed for meaning.

What happens if I miss a dose?

Since Stromectol is usually given in a single dose, you may not have a dosing schedule. If you have a schedule, take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up for the missed dose.

This section was rewritten for readability and reviewed for meaning.

What happens if I overdose?

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.

Drinking alcohol can increase some side effects of ivermectin.

This section was rewritten for readability and reviewed for meaning.

What other drugs will affect Stromectol?

Other drugs may interact with ivermectin, including prescription and over-the-counter medicines, vitamins, and herbal products. Inform each of your health care providers about all the medicines you are currently using and any medicine you begin or stop using.

This section was rewritten for readability and reviewed for meaning.

Common questions about Stromectol

Is Ivermectin FDA approved as a Covid Treatment?
No, the Food and Drug Administration (FDA) has not approved any form of ivermectin for treatment of COVID-19. To date, no data has shown it to be effective for treating or preventing COVID-19. The forms that are available for human use are approved to treat infections caused by parasitic worms or for rosacea. Self-medicating with large doses of ivermectin can cause: Nausea Vomiting Diarrhea Low blood pressure Allergic reactions Dizziness Balance problems Seizures Coma Death
Is ivermectin safe for humans, and what is it used for?
When taken as directed, ivermectin is safe for humans to use. The tablets are taken by mouth to treat intestinal strongyloidiasis and onchocerciasis, two tropical infections caused by parasitic worms. Topical ivermectin is approved to treat head lice and rosacea.
Is ivermectin an over-the-counter (OTC) drug?
Sklice lotion, which is a form of ivermectin approved to treat head lice, is available OTC. Other forms and dosages of ivermectin for human use require a prescription from your health care provider.
Should you drink Ivermectin for Covid treatment?
No. Many people have gotten very sick and had to be hospitalized after taking forms of ivermectin that are only approved for use in animals. Animal ivermectin products are very different from those approved for humans. Taking animal ivermectin for the prevention or treatment of COVID-19 in people is dangerous.
Who makes Ivermectin?
Ivermectin is a generic medication made by several different manufacturers. It also comes under the brand name Stromectol, which is made by Merck Sharp & Dohme Co.
Does ivermectin cause infertility?
Ivermectin is not known to cause infertility, and it is not stated as a side effect on the FDA label. In September 2021, misinformation was spread online about ivermectin causing male infertility. It was based on a very small flawed 2002 study mentioned in a 2011 study. Animal studies with rats given 3 times the maximum recommended human dose of 200 mcg/kg did not show any adverse effects related to fertility.
How long does it take for ivermectin to kill parasites?
Ivermectin begins killing certain parasites within hours after administration, but symptom relief and full parasite clearance may take several days to weeks depending on the infection and individual response. Most users experience noticeable clinical improvement within 1 to 7 days, though repeat doses are sometimes required for complete eradication in specific conditions. Continue reading
Does ivermectin cure cancer?
No, ivermectin is not approved or recommended to treat or cure cancer in humans, and there is no high‑quality clinical evidence showing that it improves survival or shrinks tumors in people with cancer. Regulatory agencies such as the U.S. Food and Drug Administration (FDA) have not authorized ivermectin for any cancer indication, and current oncology guidelines do not list it as a standard treatment for any malignancy. Continue reading

Related medicines

Before you take this medicine: the information on this page is general and may not cover your personal circumstances. Read the label supplied with your medicine and ask a pharmacist or doctor if you are unsure, especially if you are pregnant, breastfeeding, taking other medicines or managing a long-term condition.
General medicine information Consumer-friendly language

Content is provided for education and is not medical advice. See our medical disclaimer.