Toenail fungus is a condition in which the nail becomes yellow, swollen, thick and crumbled. This painful condition occurs due to abnormal skin pH, moist environment and synthetic socks. If you have poor hygiene and you have sweat in the shoes, it can lead to toenail fungus. Some medical conditions like diabetes and weak immune system lead to nail fungus. If you are suffering from toenail fungus, you should use home remedies to cure the condition. Apply orange oil on the affected toenail. Application of natural oils helps in curing the nail disease as these oils have antiseptic and antifungal properties. The best home remedies for toenail fungus are as follows.