Normal ranges  are 13 to 17. And now your report showing 20...may be its not too warry..but need to control on higher hemoglobin bcz may be itn future we will get trouble in blood clots and blood clots can leed heart issues..so try to control it. if possible can took personal consultation with your doctor.

Healthy morning, Plz connect to the doctor. High haemoglobin leads to clots, heart attack and stroke. It is a serious lifelong condition that can be fetal without treatment. Dehydration, smoking or living at high altitudes may also cause high haemoglobin. It may also signal other conditions, such as lung, or heart disease. In the absence of a chronic condition, there are lifestyle changes that can be beneficial, particularly ditching sigarettes if you smoke. Also making strategic nutrition choices can be key . “Eating a diet low in iron rich foods can help “.

You need flushing of some blood and medication for that check a physician or an oncologist

It is required to consider all other vitals & blood parameters before suggesting a treatment protocol,please connect with the concerned physician

Please take opinion Haematologiest.

Kindly connect with the Hematologist.

Kindly consult with doctor first.

Gud evening pls connect with physician for tht.