In Melanoma Melanoma is a type of skin cancer that develops in melanocytes, the cells that produce the pigment called melanin. Melanin is the pigment that gives the skin its color. Melanoma is the most deadly and aggressive kind of skin cancer. Keytruda Injection sticks to the genetic code, called DNA,of the cancer cells and kills them . It also prevents their growth and further spread. This helps to treat the cancer. In Non-small cell lung cancer Non-small cell lung cancer is one of the major kinds of lung cancer and it affects both smokers as well as non-smokers. Keytruda Injection helps treat non-small cell lung cancer and may be given alone or in combination with other medicines. It is a potent and very toxic medicine and you should discuss the risks and benefits with your doctor. You should avoid drinking alcohol while having this treatment and drink plenty of water to stay hydrated. In Head and neck cancer Head and neck cancer includes cancer of the mouth, nose, sinuses or throat. Keytruda Injection kills or stops the growth of cancer cells and also prevents the multiplication of cancer cells. It is a potent and very toxic medicine and you should discuss the risks and benefits with your doctor. You should avoid drinking alcohol or smoking while having this treatment and drink plenty of water to stay hydrated. In Cervical cancer Keytruda Injection is an anti-cancer medicine that is used to kill cancerous cells in cervical cancer, a cancer that develops in the cervix of a female. The affected female may have symptoms such as abnormal bleeding, foul smelling vaginal discharge, lower back pain, or may even have no symptoms at all. It has a lot of side effects and you must discuss the risks and benefits with your doctor before starting treatment with this medicine. You should avoid drinking alcohol while having this treatment and drink plenty of water to stay hydrated.