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Almost everyone experiences a parasitic infection at least once in their lifetime. It is a disease caused by organisms that need a host to survive. It is the most prevalent infection that starts making an impact on your health silently and has become a global health concern among all age groups. These infections can enter your body in various ways, such as eating contaminated food, skin-to-skin contact with an infected person, or through insect bites. It can lead to intestinal illness, such as vomiting, diarrhea, and itchy skin rashes, that can be treated by the use of anti-parasitic medication such as Ivermectin.
Ivermectin is known globally for its effectiveness against parasitic worms, head lice, and rosacea. The medication is available in various formulations such as pills, cream, liquid, and lotion, which are being prescribed depending upon the nature of the infection. The dosage of this medication plays an important role in the treatment of parasitic infections. In this blog, we will understand the ivermectin dosage for humans for effective treatment.
Ivermectin is a very common anti-parasitic medication that is generally used to treat infections such as scabies, strongyloidiasis (intestinal infections), onchocerciasis (river blindness), and other types of worm infections. Ivermectin was initially developed as an antiparasitic veterinary medication but was later introduced for human use in 1987. It made headlines globally for its efficiency in treating parasitic infections and belongs to a class of drugs called anthelmintics that are designed to treat infections by interrupting the nerve and muscle function of worms, paralyzing and eliminating targeted parasites. This medication is authorized by the FDA to treat conditions such as strongyloidiasis and onchocerciasis in adults and certain children. The medication comes in various forms, such as tablets, lotion, and cream, and the usage depends on the type of condition you have. Moving ahead in this blog, we will see the ivermectin dosage chart for humans for its effective usage.
Ivermectin is a generic medication that belongs to a group of medications called antiparasitic and is widely available under the brand name of Stromectol. The medication is available in oral tablet form in 3mg, 6mg, and 12mg strengths. The right dose of ivermectin for people depends on several factors. For most parasitic infections, the usual dose is 150 to 200 micrograms per kilogram of body weight. The exact amount also depends on the person's weight and the specific condition being treated. This article mainly focuses on the ivermectin dosage for humans by weight. This medication is typically prescribed as a one-time dosage; however, in a few cases, repeated dosages may be required. The dosage should be finalized by your doctor after going through a broad range of factors and the severity of your condition. Let's explore the ivermectin dosage for humans by weight for the two parasitic conditions it is used to treat: strongyloidiasis and onchocerciasis.
The usual dosage of ivermectin to treat strongyloidiasis in adults is approximately 200 mcg/kg of body weight. Normally, a single dose is considered enough to do the work, but in some cases, you may need a follow-up dose to get rid of the infection completely. The ivermectin dose chart below will explain the calculation of the number of tablets that need to be taken with reference to ivermectin 3mg generic tablets:
| Body weight | Number of 3-mg ivermectin tablets |
| 15 to 24 kg | 1 tablet |
| 25 to 35 kg | 2 tablets |
| 36 to 50 kg | 3 tablets |
| 51 to 65 kg | 4 tablets |
| 66 to 79 kg | 5 tablets |
| 80 kg or more | calculated based on 200 mcg/kg body weight |
It's crucial to understand that the dosage and strength of the medication must be determined by your doctor based on your body's needs and condition.
The ivermectin dose for humans to treat onchocerciasis is more or less the same as that for strongyloidiasis. Your body weight is the key to determining the correct and safe dosage for you; however, your health care provider would suggest the correct strength or dosage. The standard prescribed dosage for this medication is 150 mcg/kg of body weight. Dosage may be repeated depending upon the requirement, but there is no set interval. You may need a retreatment by your doctor in 3 or 12 months. The table below shows the requirements for 3mg ivermectin tablets for single-dose treatment of onchocerciasis.
| Body weight | Number of 3-mg ivermectin tablets |
| 15 to 25 kg | 1 tablet |
| 26 to 44 kg | 2 tablets |
| 45 to 64 kg | 3 tablets |
| 65 to 84 kg | 4 tablets |
| 85 kg or more | calculated based on 150 mcg/kg body weight |
Every medication comes with a side effects warning, but it is not necessary that everyone has to face those side effects. Although very rare, there may be side effects that need to be reported to your doctor. Some of them are listed below.
Side effects that usually do not need medical attention (notify your health care team if they continue or worsen:
Fatigue
Nausea
Diarrhea
Dizziness
Stomach pain
Tremors or shaking
Vomiting
Side effects that need to be reported to the healthcare professional immediately are:
Change in vision
Dizziness
muscle weakness
change in vision
problem speaking
loss of balance
trouble walking
seizures
Pain, tingling, or numbness in the hands or paws
Allergic reactions can cause skin inflammation, itching, hives, and a swollen face or throat.
Please know that this list may not be a complete list of side effects. If you experience side effects that aren't listed above or unexpected, it's highly recommended to reach out to your healthcare team.
You need to keep certain precautionary measures in mind before you start the treatment.
You should not take ivermectin if you are allergic to it.
If you are pregnant, you should tell your doctor, as it is not known if it can harm an unborn baby. The same goes for if you are planning a pregnancy.
Ivermectin can pass into breast milk, so it is crucial that you inform your doctor if you breastfeed.
Inform your doctor if you have liver or kidney disease to ensure ivermectin is a safe option for you.
Ivermectin should be taken on an empty stomach for better absorption.
Ivermectin is usually taken as a single dose, but you might need another dose several months to a year after your first one.
The medication can never be taken in large amounts or for longer than prescribed by your health care provider.
Do not share your medication with anyone, even if they experience common symptoms, as you do not know if the medication can harm them.
The consumption of medication may impact your alertness, so avoid doing any work that needs your attention, such as driving, operating heavy machinery, etc.
Ivermectin was initially developed as a veterinary medication, but its effectiveness among humans was so impressive that it was introduced for humans after extensive research in 1987. Slowly, this medication became a revolution in the medical field to treat parasitic infections such as strongyloidiasis (intestinal infections) and onchocerciasis (river blindness). Ivermectin oral tablets are approved to treat adults and children of any age with at least 15kg of body weight. Usually, a single dose of ivermectin does the work. But in a few cases, you may need to take multiple doses as prescribed by your doctor. Ivermectin comes in different forms, and the usage depends on the condition of the patient. So, it is advised to consult your doctor, as they will help address your concerns and direct you towards the best treatment alternatives for your health and well-being.
The dosage recommendation of ivermectin is totally proportional to the body weight of the consumer, depending on the condition, such as strongyloidiasis or onchocerciasis. The usual dosage of ivermectin to treat most parasitic infections ranges from 50-200 mcg/kg. For detailed guidance on dosage, it is always recommended to consult your doctor.
The two prime factors that are considered to determine the correct dosage of ivermectin depend upon the condition being treated and the body weight of the patient. Therefore, if you are diagnosed with strongyloidiasis or onchocerciasis, please consult your doctor to know the precise dosage.
Ivermectin tablets are generally not intended for daily use in humans. It may be prescribed as a repeated dosage for parasitic infection, such as river blindness or strongyloidiasis, until the infection is fully eradicated. You need to consult your doctor for dosage-related queries.
Taking more ivermectin than prescribed by your healthcare provider may lead to severe harmful effects such as headache, drowsiness, swelling, nausea, vomiting, etc. You should immediately report this to your doctor.
Ivermectin starts working immediately, but depending on the condition being treated, the symptoms may take some time to show improvement. If the medication is not working for you, you need to get the dosage adjusted along with additional treatment.
Content published on DayNightDrugs is created and reviewed in line with medically responsible editorial standards. Please read our Editorial Content Policy to learn how we ensure accuracy, transparency, and high-quality health information.
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