There are a lot of symptoms similar to flu and viruses, such as: fever, chills, pain, dizziness, fatigue and weight loss. Less common symptoms are swollen glands or lymph nodes in the neck and armpits. Also, bruising very easily, severe nosebleeds or severe bleeding from the rectum. If someone has these symptoms or is worried, they should see a doctor and request a blood test.
It has greatly effected the life expectancy by introducing new machines used to cure/ research diseases.
Answer:
When morphine is injected through IV, it is immediately absorbed into the body. It will begin working to relieve pain almost instantly, although it reaches its peak effect in 5 to 10 minutes. It will continue to work for 2 to 4 hours. It all depends on how much is administered and the individuals body weight/BMI.
Hope that helps