Ma huang is the original source of the decongestant pseudoephedrine (better known as Sudafed), and it is effective in relieving nasal congestion. Give your child one dose in tea form, twice a day, for up to three days.
Note: This herb can stimulate the nervous system, causing an increased heart rate and agitation. Do not give it to a child under thirteen, and do not give it after 3:00 PM.

Minor bupleurum helps to strengthen the immune system. For chronic allergies, give your child one dose, twice daily, for two weeks out of every month. Continue this regimen for three months.
Note: Minor bupleurum should not be given to a child with a fever or any other sign of an acute infection.

Nettle can be very helpful for drying out the sinuses. It can be highly effective for chronic allergies (allergic rhinitis), especially when taken in freeze-dried form. Give your child one dose, three times daily, for three to four days.
Note: Some children experience stomach upset as a result of taking nettle. If this happens, stop giving the herb. This herb should not tee given to a child under four.

Homeopathy
Homeopathy can work simply and effectively in resolving allergy symptoms. Select a symptom~-specific remedy and, unless otherwise specified, give your child one dose, three times daily, for three days. If there is no improvement, try another remedy. If you do notice an improvement, discontinue the remedy and watch to see your child's response. If the symptoms return, resume giving your child one dose, three times daily, for another two days. If the problem is not resolved, it maybe helpful to consult a homeopathic practitioner who can prescribe a constitutional remedy.

Allium cepa 30x or 9c is good for the child who experiences bouts of sneezing with a burning sensation in the nose that affects the upper lip, and whose symptoms improve in the outdoors or if he splashes his face with cold water. Allium cepa is homeopathic onion. It is for an allergic reaction similar to one's reaction to cutting or peeling an onion—red, teary eyes, for example.

Ammonium muriaticum 30x or 9c is for the child with a watery discharge that burns the upper lip and inside of the nose. There is a feeling 'that the nose is stopped up even though there is a flowing nasal discharge. This child will lose his sense of smell, and may also experience a tickling feeling in his throat.

Arsenicum album 30x or 9c helps the child who is sneezing, with nasal burning, and who feels better with hot compresses on the sides of his nose and when breathing into a warm humidifier. Restlessness, fatigue, cold hands and feet, and waking in the night with great distress are symptoms of the Arsenicum child. Often he will not only have allergies to dust and mold, but will be highly sensitive to cats as well. This child may also have food allergies to milk, wheat, or sugar, and be high-strung.

CaIcarea carbonica 30x or 9c benefits the child who is pale and sweats alot, especially around the head, and is sensitive to drafts. Swollen glands may accompany this child's runny nose. He may have digestive problems as well. This child may have gone through teething and/or reamed to walk later than friends or siblings.