1 year old son with swollen penis

Patient: My 12month year old son has a swollen penis today… this morning he had frozen pumpkin with cereal, and its his 1st time with that meal. Is it due to allerdy? The whole body is okay physically, his temperature is slightly increased, i thought its due to last night’s lack of sleep, as he slept at 3am and woke up early.

Symptoms: Slightly increased temperature, swollen penis