 [ Symptoms ] i have a small rash on both inner thighs only where my testicles touch what could this be  i noticed the rash while showering a few minutes ago the rash is very small and only where my testicles touch my thighs i also feel very small bumps on the irritated area no rash on penis or testicles could this just be chafing it has been hot out and i usually do not skip showers but i did not shower yesterday if that makes a difference could it be herpes [ Disease ] milk or formula a three month old should be on breast milk or formula for the first year of life the amount 4 5 oz is fine as long as the baby is growing well gaining weight not too much but appropriately and getting satisfied babies are supposed to double their birth weight by age six months a soft rule of thumb so discuss with the pediatrician on the next well child exam at age four months