Mebendazole does not kill the eggs of the worm. This is why you may need to take another dose 2 weeks later to help prevent reinfection. The medicine should start to work straight away but it may take several days to kill all the worms.
How long does it take for worms to go away with medication?
Treatment to get rid of worms If you have worms, a GP will prescribe medicine to kill them. You take this for 1 to 3 days. The people you live with may also need to be treated.
How long do worms last after treatment?
Strict hygiene measures can help clear up a threadworm infection and reduce the likelihood of reinfection. The lifespan of threadworms is approximately 6 weeks, so it's important that hygiene measures are followed for at least this length of time.
How long do deworming tablets take to work?
It can take up to 3 days for the dead worms to pass through the system. If reinfestation occurs after this time, take 1 tablet (100 mg) or 1 measuring spoon (5 mL) of the oral suspension again after 2 to 4 weeks.
Do worms come out after treatment?
Children can get threadworms again after they've been treated for them if they get the eggs in their mouth. This is why it's important to encourage children to wash their hands regularly.
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