Hi welcome to Health care magic forum. You fell down from a bike 5 days back, injury
at the elbow , it is external and it is healing. Pain in the chest below the nipple did not come down.
The thing is did you use any medicines, or not. By consultation or over the counter. If you didn't consult any doctor consult immediately. chest pain
should never be neglected.
You may have to take an xray to exclude any fracture
of the ribs. If crack or fracture is there should be treated accordingly. In the mean while you should not do any hard work , should not lift weights, and should not make swift movements.
Besides i advise you some diet recomendations as Avoid taking potato, other tubers, tomato, coconut, cauliflower, egg, chicken, fish, aand other sea foods.
Take more of green leafy vegetables, pulses, sprouts, milk, fruits, juices, and dry fruits. Which improve blood, general health, resistance, and stamina to cope up with active life. Wishing for a quick recovery and thanks for calling.