Hello, For throat infection you need to take antibiotics . Yo can take penicillin group of antibiotic like Amoxycillin/ dicloxacillin which have renal / kidney excreation and have minimum effect on liver. Cefalexin is also safe and can be used. In addition you cans use lukewarm saline gargles for getting symptomatic relief. Take soft diet which is non spicy and not hot. Take healthy fat free diet so that the need for other medicines is decreased as the multivitamins .Take fresh prepared curd at home . avoid outside food.