This is a very common problem that troubles many people. If we talk only in the summer season, the reason for this is sweat, but if this problem often troubles you in any season then you need a quick treatment. First of all, you should consult a doctor but if you cannot, then here are some home remedies which will help you.
Use of powder - This is the easiest way, using powder will not eliminate your problem but will give you some relief from itching for some time and if you use it continuously then it helps dry the itchy area. You can apply any telecom powder.
Pure ghee of cow - If you can easily get cow's ghee, then this would be a very good solution. You put this ghee on the infected place and you will understand the difference in the very few days itself.
Coconut Oil - Coconut oil has antibacterial properties, if you want to relieve fast then use coconut 5 to 6 times a day on the infected part, lightly massage it, it will give you relief and itching will also reduce.
Cumin water - Put the cumin water in a pot overnight and if you want, you can also use celery. And then the next day in the morning apply this water slowly on the infected part. It will be beneficial in the problem of itching.
Honey and lime - Applying honey and lime paste will provide quick relief. But after applying it there may be a slight irritation so do not panic. If possible, after applying this paste, keep open that infected part for a while so that it can dry. Then after some time, clean it with cold or normal water.
Amla kernels - Amla is available in every season nowadays, grind gooseberry kernels to make a paste and mixed with coconut oil then apply it in an infected place.