Took 20 days of acetaminophen tablets, has not come to menstruation is not related to the drug, but can not be absolutely ruled out and this is not related to the need for further examination of whether the pregnancy, whether the endocrine disorders and other causes.
Acetaminophen tablets are mainly used for fever caused by colds, or for the relief of mild or moderate pain symptoms. Its side effects are usually gastrointestinal symptoms such as nausea and vomiting, and occasionally hives and granulocytopenia may occur. If it is taken for a long time, it may lead to abnormal liver and kidney functions, and the side effect of irregular menstruation cannot be ruled out if it is taken for a long time.
If you have had sex during the medication, you need to go to the hospital for blood tests of human chorionic gonadotropin (HCG), ultrasound, etc., to confirm whether the lack of menstruation is caused by pregnancy.
If endocrine disorders are caused by recent bad moods, emotional disorders, work-life stress, environmental changes, late nights, etc., they may cause irregular periods, etc.
After taking 20 days of acetaminophen tablets, but not menstruation, it is recommended to consult a doctor in a timely manner, improve the relevant examination, need to be clearly diagnosed by the doctor according to the specific circumstances, to formulate an individualized diagnostic and treatment plan, in order to avoid delaying the condition.