Description
Mebechrist (Mebendazole) 500 mg
Mebechrist 500 mg is a mebendazole medicine. Mebendazole is an anthelmintic used against certain intestinal worm infections caused by susceptible helminths.
Active Ingredient and Medicine Class
The verified active ingredient is mebendazole. It belongs to the benzimidazole anthelmintic class.
Established Medical Uses
Mebendazole is established for the treatment of some intestinal nematode infections, including infections due to Ascaris lumbricoides, Trichuris trichiura, hookworms, and pinworm in approved product information. It is also used in public-health deworming programs for soil-transmitted helminths in appropriate settings.
How It Works
Mebendazole acts on worms by disrupting their ability to absorb and use nutrients. This interferes with the parasite’s energy supply and leads to its death or removal from the intestine.
Important Safety Information
Mebendazole is not suitable for everyone. Official prescribing information lists hypersensitivity to mebendazole or related benzimidazoles as a contraindication. Product information also warns about use in pregnancy, especially during the first trimester, and advises caution in people with liver disease. Clinically important interactions may occur with medicines that alter mebendazole exposure, including metronidazole in some reports and drugs that affect liver metabolism. Patients with blood disorders or severe systemic illness may require additional caution.
Possible Side Effects
Reported adverse effects include abdominal pain, diarrhea, nausea, vomiting, and dizziness. Less common but more serious reactions can include rash, hypersensitivity reactions, low blood cell counts, and liver-related adverse effects. Rare severe skin reactions have also been reported.
Scientific Evidence
Human studies and reviews show that single-dose 500 mg mebendazole is highly effective against Ascaris lumbricoides and has more variable activity against Trichuris trichiura and hookworms. Clinical trials also support its use in intestinal nematode infection control, with efficacy depending on the parasite species and infection burden.
Medical Information Notice
This page is an educational summary based on sources available at the time of review. It does not replace the official patient leaflet, product label, or assessment by a qualified health professional.
Medical Sources
- DailyMed — EMVERM (mebendazole) chewable tablets, prescribing information: View source
- M Albonico et al. — “A randomized controlled trial comparing mebendazole and albendazole against Ascaris, Trichuris and hookworm infections” — Transactions of the Royal Society of Tropical Medicine and Hygiene (1994): PubMed
- J Mrus et al. — “Efficacy of single-dose 500 mg mebendazole in soil-transmitted helminth infections: a review” — Journal of Helminthology (2018): PubMed
