Dear patient it's very likely that you are suffering with fungal infection of private parts. It can happen mainly when you physically contacted to an infected person or when consumed too much of sweet items etc.
Next Steps
I could have easily suggested you diet as a remedial but since swelling with fissures is there thus need of medication is must .
Health Tips
stop eating sweet stuff and alcohol. try to keep the area clean and dry as it can aggravate in moist environment. drink more water.
For treatment, you can contact us directly by booking the appointment on practo. Google Dr. Kanu Rajput and Dr Manu Rajput, you'll have a idea.