What could be wrong with me? when i eat too much salty food i get foot swelling. bp normal.

Normal reaction: Eating too much salt causes your body to retain fluids, which is a problem for people with heart conditions. Drinking plenty of water and limiting the salt in your diet, along with regular exercise, can improve your swelling.

Retainig water: Salt causes increased water retention in the body.

Fluid retention.: Any type of salt whether sprinkled on or already in food can result in fluid retention.

Sounds like BP: Still could be too much salt even if your BP is normal.

Salt and edema: You are describing mild edema; this occurs from excess salt and when feet are in dependent position - such as sitting and standing - you may have a kidney condition that makes you prone to fluid retention; you need an evaluation;