To achieve the antihistamine effect of vitamin C you need to take lots. Dr. Balch, author of Prescription for Nutritional Healing, suggests taking 3000-10,000 milligrams per day when suffering from hayfever. Pantothenic acid plays a role in the formation of antibodies and is referred to as an antistress vitamin due to its vital role in the formation of various adrenal hormones. It's a far better choice than antihistamines and is one of the most effective herbal remedies that I know of. Nettles also provide many trace minerals and is high in Vitamin C and helps to nourish the adrenal glands.
Homeopathic remedies can also be very helpful in treating allergies.
Formulations that are made from the substances that you are allergic to can help to relieve the symptoms of an allergic reaction, and also help desensitize allergy sufferers against future allergic episodes. Single homeopathic remedies can also be used according to your symptoms. Sabadilla - for violent sneezing that is often triggered by odors including those of flowers and mown grass. As with any medication, always consult your physician if you are pregnant, nursing a baby, or being treated for any serious condition. Drain mushrooms, reserving the broth, and chop them.