I know fenugreek & thyme works well with seasonal allergies and upper respiratory problems. My husband has taken it for years. You can combine and fill your own capsules or go to a health food store and they have it already combined, capsuled and bottled.
Here is what it can help with:
Fenugreek & Thyme is an herbal combination designed to support the respiratory system. Fenugreek & Thyme relieves congestion, reduces inflammation and fights infection. Fenugreek & Thyme contains expectorant properties ideal for treating sinus and lung congestion, and loosens and removes excess mucus and phlegm.
Fenugreek & Thyme is an excellent source of selenium, an antiradiant which helps the body utilize oxygen. Fenugreek & Thyme is also a natural source of iron, silicon, sodium and thiamine.
Fenugreek contains mucilagins which are known for soothing and relaxing inflamed tissues. Fenugreek stimulates the production of mucosal fluids helping remove allergens and toxins from the respiratory tract. Acting as an expectorant, fenugreek alleviates coughing, stimulates perspiration to reduce fevers, and is beneficial for treating allergies, bronchitis and congestion.
Thyme has been used for centuries for its aromatic qualities. Thyme contains volatile oils that have antiseptic qualities which are ideal for treating infections of the respiratory system. Thyme also contains antispasmodic properties ideal for relieving chronic coughing, muscle spasms and headaches.
The herbal combination Fenugreek & Thyme is beneficial for treating asthma, respiratory tract infections, sinus congestion and various respiratory problems. Fenugreek & Thyme helps build the immune system, calm agitated nerves and tissues, and aid poor digestion.
Source:
http://www.reynoldsoffice.com/885-1.htm
It is fairly inexpensive in the health food store and some sources online.