Hypothyroidism refers to hypothyroidism, hypothyroidism medication how long can return to normal and hypothyroidism severity related, some patients can recover in about 2 weeks, but some patients need to recover in about 2~3 months. If the condition of hypothyroidism is not very serious, early in the doctor’s guidance to take medication, usually take levothyroxine sodium tablets, exogenous supplementation of thyroid hormones, most of the indicators can be restored after 2 weeks of medication. However, if the condition of hypothyroidism is more serious, from taking medication to be able to completely replace the dose is to have a time span, then even need to take about 2~3 months, the thyroid hormone level will be restored to the normal range. Hypothyroidism needs to be treated with levothyroxine sodium tablets under the guidance of a doctor, and the medication should not be discontinued or reduced at will during the treatment period, otherwise it will affect the therapeutic effect, and the medication needs to be reviewed regularly in the hospital during the period of taking the medication.