How long does viral tonsillitis last? Is there really no treatment?

Viral tonsillitis. This usually runs its course within 7-10 days. Exception: mono is a virus that can cause a severe case that can last for weeks! With viral tonsillitis, there is no specific treatment. General treatment includes steroids to decrease swelling, pain medications (tablets or numbing gargles). Drink plenty fluids, rest plenty, take Ibuprofen for fever.