Yes there is remedy for such skin allergies in Homoeopathy. Don't waste time , just consult a good Homoeopathic physician. For starters you can drink a lot of water and if you can get fresh aloe vera do apply on your brown patches. They will provide you with temporary relief. Also stop using chemical soap and use handmade or home made ubtan which will gently cool and sooth the skin. Visit www.sknessentials.com and look for Neem body Mask which can give you a lot if relief

By classical homoeopathy your immunity can boost up strongly . This problem related to fungal or bacterial growth on our skin. When immunity is being strong , your body will remove it parmanently.