** Thanks for contacting HCM with your health concern 1. Although dengue has no direct effect on hair follicles but it do cause hair loss indirectly by causing telogen effluvium [temporary interruption of the growth cycle of hairs], so in best interest consult your primary healthcare physician or check with a Dermatologist who will examine your scalp and hair loss pattern to discuss further possibilities and treatment options 2. till then, you can follow the line of management as: . After bath make sure you avoid vigorous toweling of hair, let them dry naturally. . Make less choice for synthetic hair oils, hair coloring, bleaching, styling and use of dry blowers. . Avoid excessive exposure to sun, heat, wind, dust, anger, stress, anxiety, . Avoid oily, fried, spicy, hot, fermented and stale food. . Proteins are essential for antibodies production so milk, egg (white), beans, yogurt, soymilk, pumpkin, squash,watermelon,peanuts,almonds, if non-vegetarian (meat) are choices . mango, carrots, cantaloupe, egg yolk,apricots,pumpkin,papaya, are ideal . Vitamin C: is needed for proper functioning of immune system: amla is good option. . Vitamin E: is a powerful anti oxidant thus peanuts, dried apricots, cooked spinach taro root can be taken . Soap nut (reetha) and shikakai along with Bhringraj and Neelini oil acts as natural conditioner and dye, you can use it safely.