What to do if you are allergic to lemon

If you are allergic to lemons, you must not eat this kind of food. If you consume it, it will cause a very serious allergic reaction in your body. Many allergic symptoms will threaten the patient's life if you do not go to the hospital for examination and treatment in time, and even cause coma and shock. It is still very dangerous, so you must seek medical treatment as soon as possible.

It is the most serious allergic reaction. The most common allergen causing this disease is penicillin. Other drugs include beta-lactam antibiotics, streptomycin, procaine, isatis root injection, dextran, iodine-containing contrast agents, etc. In addition, there are also certain insect stings. The incidence of anaphylactic shock in the general population is approximately 0.08%.

After the onset of the disease, patients experience widespread and rapid increase in capillary permeability, arteriolar dilation, resulting in a decrease in peripheral blood flow, a decrease in cardiac output and a sharp drop in circulating blood volume, as well as edema of multiple organ and system tissues and smooth muscle spasm. In severe cases, it can be fatal in a very short time. 20% of allergic deaths occur within half an hour of the onset of the allergy.

Clinical manifestations: Patients first experience flushing of the skin and mucous membranes, itching all over the body, especially on the palms, numbness of the lips, tongue and extremities, followed by various rashes, mostly in the form of large wheals, and large areas of dermal and subcutaneous angioedema. Blood pressure drops sharply, with systolic pressure dropping below 80 mmHg and pulse pressure within 20 mmHg. In severe cases, circulatory failure may occur, manifested by confusion, cold sweat, pale complexion, cold limbs, and thin pulse. If the disease is not controlled in time, cardiac arrest and even death may occur within a short period of time in a few cases.

4. Hay fever

The disease, also known as hay fever, is caused by the patient's allergy to plant pollens and mainly affects the eyes and upper respiratory tract. Most of the diseases are caused by pollen as an allergen, which is spread by wind. The main pathogenic pollens in my country include pollen from the genus Eupatorium, as well as pollen from sunflower, hemp, sycamore, castor, Amaranth, Cucurbit, poplar, and elm. A small number of patients are also caused by fungi, dust mites or other inhaled substances or foods with obvious seasonality.

Clinical manifestations: It has obvious seasonality and regionality, and the main manifestations are itchy eyes, tearing, red and swollen eyelids; itchy nasal cavity, continuous sneezing, often up to a dozen at a time, and increased watery secretions after sneezing, which do not stop all day when the disease occurs; itchy throat, dry throat, dry cough, etc. Wheezing may be heard by auscultation in some patients.