What can cause a red bruise like rash with little red bump like pimples on your right side of belly didnt even notice until after shower can this be just a bruise or rash from allergies or from liver?

A red bruise-like rash with small red bump-like pimples on your belly could be caused by several factors, including an allergic reaction, irritation from contact dermatitis, or even a viral infection. It may also be a sign of a condition like hives or folliculitis. While liver issues can cause skin changes, they typically present differently. If the rash persists, spreads, or is accompanied by other symptoms, it's best to consult a healthcare professional for an accurate diagnosis.