allergies

What is a sinus infection? You can tell you have a sinus infection from an uncomfortable full or feeling of pressure in your face, stuffy nose and face, postnasal drip, cough, and low-grade fever. A sinus infection happens when your sinuses become inflamed. It’s also known as sinusitis. Your sinuses are in the bones behind …

What causes angioedema?  Angioedema is a type of swelling that occurs under the skin's surface and in fatty tissue. It is caused by food allergies, drugs, genetics, weakened immune system or by unknown factors. Angioedema is swelling that is similar to hives but occurs under the surface of the skin and in fatty tissue. It can affect many different areas …

What is black mold? Black mold is one of many molds that can cause allergic symptoms like sneezing, coughing, wheezing, and skin rashes. Mold is a vital part of our ecosystem. It absorbs and decomposes organic matter. Mold grows anywhere that the conditions are right. It needs adequate moisture, a food source, oxygen, and an appropriate temperature to grow. If …

What is postnasal drip? Postnasal drip medications help decrease mucus production. The inner lining of your nose and throat has several small glands that secrete a sticky fluid called mucus. This mucus moistens the inside of the nose and sinuses (air-filled cavities present in the skull), traps inhaled dust and other particles, helps guard against infections and moistens the air …

Hives can be caused because of allergies to one or more things. Hives, medically known as urticaria, are common rashes that anyone can get at any point in their lives. They can happen only once in your life, keep happening often, or stay longer (chronic) for more than 6 weeks. Hives can be caused because of allergies to one or …

Facts you should know about peanut allergy The prevalence of peanut allergy in the United States is approximately 0.6%-1.3%. The rate of peanut allergy is higher in individuals with additional allergic conditions or a family history of allergic conditions, including a sibling with a peanut allergy. One-third of patients with peanut allergy are also allergic to tree nuts. About 90% of …

What is Quzyttir and how does it work? Quzyttir (cetirizine hydrochloride injection) is a histamine-1 (H1) receptor antagonist used to treat acute hives (urticaria) in adults and children 6 months of age and older.  What are the side effects of Quzyttir? Common side effects of Quzyttir include: changes in taste, headache, numbness and tingling, lightheadedness, indigestion, feeling hot, increased sweating, …

This side sleeping position may be good for those who snore. Snoring is a sound that occurs when sleeping as airflow causes the tissues in the back of the throat to vibrate. The sound of snoring usually occurs as you inhale, and it can happen any time while you sleep. Half the population snores at some point, though snoring is …

What is an allergic reaction? Allergic reactions may last for varying lengths of time. They may take a few hours to a few days to disappear. If the exposure to the allergen continues, such as during a spring pollen season, allergic reactions may last for longer periods such as a few weeks to months. Allergic or hypersensitive reaction is excessive …

What happens when you have an allergic reaction? Allergists recognize four types of allergic reactions: Type I or anaphylactic reactions, type II or cytotoxic reactions, type III or immunocomplex reactions and type IV or cell-mediated reactions. Allergic reactions are exaggerated sensitivities (hypersensitive reactions) that occur when your immune system responds abnormally to common substances such as pollen, dust and certain …