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It is difficult to comment on the exact cause for the rash that you describe without examining it. If it has appeared after sexual contact, infective or allergic causes are possible. Do not ignore your symptoms. Visit your doctor/gynecologist at the earliest for thorough examination and evaluation to look for the underlying cause. Get started on treatment as appropriate (based on examination and investigations results) to help you control the symptoms. Be in regular monitoring and follow-up with your treating doctor/gynecologist and report any new/abnormal symptoms immediately. Drink plenty of water. Take adequate rest. Maintain healthy diet and lifestyle. Avoid vaginal douching, use of harsh soap or perfumes in the area. Use loose cotton undergarments and avoid use of tight fitting clothes. Avoid sweat accumulation in the area. If infective cause is detected, and if you are sexually active, it is important to get your partner also treated simultaneously to prevent chances of re-infection, and avoid having intercourse while being on treatment.
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