Write the next sentence in this paragraph:

How to cure lichen planus
Put anti-itch products on skin irritation.
The main source of discomfort that occurs with lichen planus is itching on the bumps. This can be temporarily relieved by applying anti-itch lotions and creams, which are available over-the-counter at most pharmacies.
Anti-itch products that contain antihistamines. Such as diphenhydramine hydrochloride, typically help relieve the itching effectively.