Poison ivy and poison oak rashes are both because of the urushiol oil that the plants produce. When the oil gets on your skin, it can cause a rash if you are sensitive to it. In severe cases, you may need to see a healthcare provider. Federica Grassi / Getty Images Reproduced with permission from DermNetdermnetnz.org2023. Sometimes, people may have a rash with black spots or black streaks. This is known as black-spot poison-ivy dermatitis....

Poison sumac (Toxicodendronvernix) contains a rash-inducing oil calledurushiol. The urushiol oil that causes poison sumac rash is also found in poison ivy and poison oak. All three plants are part of theToxicodendrongenus. Grb / Getty Images The leaves, stems, flowers, and roots of these poisonous plants can cause itchyToxicodendrondermatitis. However, poison sumac rash is often more severe than those resulting from poison ivy or oak. Grb / Getty Images What Are the Symptoms of Poison Sumac?...

Policosanol is claimed to offer numerous health benefits, including: How policosanol does so remains a bit unclear. However, some studies find no such benefit. Even so, the researchers found inconsistent findings and advised that additional human trials are needed. Verywell / Getty Images The most common include: Policosanol may have anticoagulant (blood-thinning) properties. This leads to side effects calleddyskinesias, a group of movement control disorders. Who Should Not Take Policosanol? There is no standard recommended dose of policosanol....

Polycythemia verais a blood cell disorder that causes the body to make too many blood cells. It requires lifelong treatment, which can improve quality of life, overall health, and survival. The disease causes an increase in red blood cells, and sometimes it also causes excesswhite blood cellsandplatelets. FatCamera / Getty Images Mild forms of this condition do not always cause symptoms. How Common Is Polycythemia Vera? Some studies suggest that polycythemia vera is more common among Black Americans than White Americans....

Polyesteris a synthetic fiber made of plastic. This article provides a look at polyester allergies, as well as how to treat and prevent symptoms. Melpomenem / Getty Images Polyester Allergy Allergies occur when yourimmune systemoverreacts to something that is not typicallyharmful. Melpomenem / Getty Images The most frequent allergens found in polyester and other fabrics include Disperse Blue 106 and 124. These are chemicals added to textiles and fabrics to create colors....

Polyhydramniosis a pregnancy condition where there is excess amniotic fluid in the womb. Most cases wont cause serious problems for you or your baby. Theamniotic fluidbuilds up slowly and many people barely notice the excess fluid building up. Yasser Chalid / Getty Images Many of the mild symptoms of polyhydramnios are common in typical pregnancies and go unnoticed. Symptoms of polyhydramnios include: Polyhydramnios can appear at any point during pregnancy....

Among other applications, PCR can be used to detect multiple sexually transmitted infections (STIs). For example, a lab can find DNA in aurine samplethat revealsgonorrheaorchlamydia. PCR revolutionized the study of DNA and has been called one of the most important advances in molecular biology. krisanapong detraphiphat / Getty Images The small bits of DNA in a sample are usually inadequate for analysis. Primers are created that match up with these DNA targets....

Its not uncommon to confuse polyps and cysts. When a cyst becomes infected, it fills with pus and is known as an abscess. Both can sometimes beasymptomatic, which means that you don’t feel or notice them. Grace Cary / Getty Images But when they do cause symptoms, there are some variations. Polyp causes can vary based on where they are located in the body. Common causes of cysts include: Diagnosis The process fordiagnosing polyps and cystsis similar....

How to Help People Who Combine Multiple Drugs Polysubstanceuse involves the use of two or more drugs in combination. The resulting drug intoxication often occurs in patterns, such as cocaine used with alcohol and prescription drugs. Mixing thesesubstancescan prove lethal, or causestrokesand other serious health issues. 5m3photos / Getty Images Studies note that some combinations can lead to additional drug use, including heroin use that follows sedative use. To complicate matters, many individuals use multiple substances....

Polyuria is usually a symptom of other illnesses. Common causes include diabetes, kidney disease, and certain medications. Pregnancy, anelectrolyte imbalance, excess caffeine, and drinking alcohol can also contribute to polyuria. SimpleImages/Getty Images Other symptoms can accompany polyuria, such as: It’s important to distinguish between frequent urination and polyuria. However, someone with polyuria will go to the bathroom more frequently due to larger volumes of urine. The following causes of polyuria are the most common....

Similar tograpefruit, thepomelois the largest member of thecitrus family. Pomelos are highly nutritious and rich in antioxidants. Vitamin C is an importantantioxidantand is beneficial for immune health. Krit of Studio OMG / Getty Images A pomelo is also rich in many other vitamins and minerals, such aspotassiumandcopper. What Does a Pomelo Taste Like? Pomelos have several varieties, which have slightly different tastes and flavors. Nevertheless, most pomelos are sweet, with hints of tartness and acidity....

Pontine strokes happen when the blood supply to the pons region of the brainstem is cut off. It is located above themedulla oblongataand below the cerebral cortex, making it the second-lowest region of the brain. The pons is responsible for many autonomic nervous system functions. Illustration by Hilary Allison for Verywell Health Additionally, theponsis made up of nerves and nerve pathways that send messages between different parts of the brain....

Some types of allergy to cats can result in an allergy to pork due to cross-reaction. Learn what is behind pork-cat syndrome and who is at risk. Cooking reduces the allergenic nature of some foods by breaking down the proteins responsible for allergic reactions. Verywell / Candace Madonna Allergic reactions to both pork meat and wild boar meat have been reported. Because of this similarity, allergic antibodies towards cat albumin cross-react with pork albumin....