When is hospitalization required in case of Dengue Fever ?

The signs and symptoms that should warrant immediate hospitalization or consultation with doctor in case of Dengue Fever are: 
1) Severe pain in the abdomen
2) Persistent vomiting
3) Bleeding from any site like: 
     Bleeding in the skin appearing as small red or purplish spots
     Nose bleed, bleeding from gums
     Passage of black stools like coal tar. 

Whenever the patient develops the first two signs: severe pain in the abdomen and persistent vomiting, patient should be immediately taken to the hospital or a doctor should be consultated. 

Usually it is too late if we wait until bleeding has occurred.