If you have any questions concerning immunotherapy, always consult your physician or allergist. For people who suffer from allergies, there are many effective medications. This is a brief overview of the most commonly used types of medications. Antihistamines prevent the effects of histamine, a substance produced by the body during an allergic reaction. Decongestants are used to treat nasal congestion and other symptoms associated with colds and allergies.
Decongestants cause the blood vessels to narrow, thus, leading to the clearing of nasal congestion.
The most commonly used forms are liquid and tablet. However, nose sprays or drops may be prescribed by your physician. The use of medications for asthma or respiratory symptoms from allergies is highly individualized based on the severity of the symptoms. These medications are used to help open the narrowed lungs and may relieve coughing, wheezing, shortness of breath or difficulty in breathing. Types of bronchodilators are beta-agonists, theophylline, and anticholinergics.