Giardiasis | Treatment

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How is this disease treated?

Giardiasis is usually treated with a medicine called metronidazole. It's usually taken 3 times a day for 5 to 10 days. Side effects may include a metallic taste in the mouth or nausea. If you take metronidazole, you should not drink any alcohol. This medicine shouldn't be taken in the early stages of pregnancy.

Children younger than 5 years of age may be treated with furazolidone. This medicine has fewer side effects and comes in a liquid form, but it shouldn't be given to babies younger than 1 month of age.

It's usually best if a whole family is treated at the same time, because giardiasis is so easily spread. In most cases, your doctor will want to check a stool sample after the treatment to be sure the medicine worked. Sometimes you may need to take medicine for a longer time, or your doctor may want you to take another medicine for a complete cure.

Written by familydoctor.org editorial staff

Reviewed/Updated: 03/14
Created: 09/00

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