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Ivermectin is indicated for the treatment of the following infections: Strongyloidiasis of the intestinal tract Ivermectin is indicated for the treatment of intestinal (i.e., nondisseminated) strongyloidiasis due to the nematode parasite Strongyloides stercoralis . This indication is based on clinical studies of both comparative and open-label designs, in which 64-100% of infected patients were cured following a single 200-mcg/kg dose of ivermectin (See CLINICAL PHARMACOLOGY, Clinical Studies ). Onchocerciasis Ivermectin is indicated for the treatment of onchocerciasis due to the nematode parasite Onchocerca volvulus . This indication is based on randomized, double-blind, placebo-controlled and comparative studies conducted in 1427 patients in onchocerciasis-endemic areas of West Africa. The comparative studies used diethylcarbamazine citrate (DEC-C). NOTE: Ivermectin has no activity against adult Onchocerca volvulus parasites. The adult parasites reside in subcutaneous nodules which are infrequently palpable. Surgical excision of these nodules (nodulectomy) may be considered in the management of patients with onchocerciasis, since this procedure will eliminate the microfilariae-producing adult parasites.

Strongyloidiasis The recommended dosage of ivermectin Tablets for the treatment of strongyloidiasis is a single oral dose designed to provide approximately 200 mcg of ivermectin per kg of body weight. See Table 1 for dosage guidelines. Patients should take tablets on an empty stomach with water (See CLINICAL PHARMACOLOGY, Pharmacokinetics ). In general, additional doses are not necessary. However, follow-up stool examinations should be performed to verify eradication of infection (See CLINICAL PHARMACOLOGY, Clinical Studies ). Table 1: Dosage Guidelines for Ivermectin Tablets for Strongyloidiasis Body Weight (kg) Single Oral Dose Number of 3-mg Tablets 15-24 1 tablet 25-35 2 tablets 36-50 3 tablets 51-65 4 tablets 66-79 5 tablets ≥ 80 200 mcg/kg Onchocerciasis The recommended dosage of ivermectin Tablets for the treatment of onchocerciasis is a single oral dose designed to provide approximately 150 mcg of ivermectin per kg of body weight. See Table 2 for dosage guidelines. Patients should take tablets on an empty stomach with water (See CLINICAL PHARMACOLOGY, Pharmacokinetics ). In mass distribution campaigns in international treatment programs, the most commonly used dose interval is 12 months. For the treatment of individual patients, retreatment may be considered at intervals as short as 3 months. Table 2: Dosage Guidelines for Ivermectin Tablets for Onchocerciasis Body Weight (kg) Single Oral Dose Number of 3-mg Tablets 15-25 1 tablet 26-44 2 tablets 45-64 3 tablets 65-84 4 tablets ≥ 85 150 mcg/kg

Strongyloidiasis In four clinical studies involving a total of 109 patients given either one or two doses of 170 to 200 mcg/kg of ivermectin, the following were reported as possibly, probably, or definitely related to ivermectin: Body as a Whole: asthenia/fatigue (0.9%), abdominal pain (0.9%) Gastrointestinal: anorexia (0.9%), constipation (0.9%), diarrhea (1.8%), nausea (1.8%), vomiting (0.9%) Nervous System/Psychiatric: dizziness (2.8%), somnolence (0.9%), vertigo (0.9%), tremor (0.9%) Skin: pruritus (2.8%), rash (0.9%), and urticaria (0.9%). In comparative trials, patients treated with ivermectin experienced more abdominal distention and chest discomfort than patients treated with albendazole. However, ivermectin was better tolerated than thiabendazole in comparative studies involving 37 patients treated with thiabendazole. The Mazzotti-type and ophthalmologic reactions associated with the treatment of onchocerciasis or the disease itself would not be expected to occur in strongyloidiasis patients treated with ivermectin (See , Onchocerciasis ). Laboratory Test Findings In clinical trials involving 109 patients given either one or two doses of 170 to 200 mcg/kg ivermectin, the following laboratory abnormalities were seen regardless of drug relationship: elevation in ALT and/or AST (2%), decrease in leukocyte count (3%). Leukopenia and anemia were seen in one patient. Onchocerciasis In clinical trials involving 963 adult patients treated with 100 to 200 mcg/kg ivermectin, worsening of the following Mazzotti reactions during the first 4 days post-treatment were reported: arthralgia/synovitis (9.3%), axillary lymph node enlargement and tenderness (11.0% and 4.4%, respectively), cervical lymph node enlargement and tenderness (5.3% and 1.2%, respectively), inguinal lymph node enlargement and tenderness (12.6% and 13.9%, respectively), other lymph node enlargement and tenderness (3.0% and 1.9%, respectively), pruritus (27.5%), skin involvement including edema, papular and pustular or frank urticarial rash (22.7%), and fever (22.6%) (See WARNINGS ). In clinical trials, ophthalmological conditions were examined in 963 adult patients before treatment, at day 3, and months 3 and 6 after treatment with 100 to 200 mcg/kg ivermectin. Changes observed were primarily deterioration from baseline 3 days post-treatment. Most changes either returned to baseline condition or improved over baseline severity at the month 3 and 6 visits....

Ivermectin Tablets are contraindicated in patients who are hypersensitive to any component of this product.

Storage Store at temperatures below 30°C (86°F).