Do dock leaves help nettle stings? It is often claimed that crushed dock leaves relieve the pain because their alkaline sap neutralises the nettle's formic acid, but dock leaf sap is acidic too, so this cannot be true.

What leaf helps with stinging nettle?

Dock leaves.

Dock leaf sap makes for a great nettle rash home remedy. It contains antihistamine which counteracts and soothes nettle stings. You can identify them by their large, green, oval leaves. Rub them gently on the area of the sting to relieve the rash.

Do dock leaves contain antihistamine?

Dock leaf sap contains a natural antihistamine, which helps to ease the stinging sensation. The dock leaves themselves contain oxalic acid, which deters herbivores from eating them.