We can easily cure some diseases using natural remedies. Like as for cough and sore throat here I will share these few points or remedies that will help in treating them naturally;
Honey-it contains throat-coating properties that help to lessen the pain of sore throat. Use it by adding into the tea or into boiled water.
Echinacea-it will help in reducing the symptoms of cough. It is easily available in the market as pills or tea leaves.
Elderberry syrup-its anti-viral properties make it useful in treating cold, cough, and influenza.
Pelargonium-this plant has qualities that will help in curing cough/cold.
Ginger-is used to help upset stomach, nausea, and motion sickness.
Try these remedies we hope these will help you in curing of these few diseases.

https://www.allinahealth.org/healthysetgo/heal/natural-remedies-for-everyday-illnesses