Symptoms and Causes

Overview Chickenpox is a highly contagious illness triggered by the varicella-zoster virus. The disease causes an itchy rash with small blisters containing fluid. The virus spreads…

Overview Complex Regional Pain Syndrome (CRPS) is a chronic pain condition. It usually affects one limb, often after an injury. The exact cause of CRPS is…

Health Issues Pet allergies occur when people react to proteins in animal skin, saliva, or urine. Common symptoms include sneezing, runny nose, and sometimes breathing difficulties….

What Is Alcohol Use Disorder? Alcohol use disorder is a health condition where someone struggles to control their drinking habits. People with this disorder may think…

Understanding Alcohol Sensitivity People who experience reactions to alcohol have several options to help manage their symptoms. Non-alcoholic beverages offer an alcohol-free alternative for social situations….

Overview Schizoid personality disorder makes it difficult for people to connect with others and express feelings. Those with this condition often seem distant and uninterested in…

Overview Polymorphous light eruption affecting the chest appears as small, inflamed bumps or slightly raised skin patches in areas exposed to increasing sunlight. This sensitivity typically…

Overview Malaria prevention relies on several important tools: Many healthcare providers offer pre-travel consultations to assess risk and provide appropriate preventive measures. Some malaria parasites have…

About Postpartum Preeclampsia Postpartum preeclampsia is an uncommon but serious condition. It causes high blood pressure and excess protein in urine after giving birth. Most cases…

Overview Glioblastoma is an aggressive brain or spinal cord cancer that starts in astrocytes, cells that support nerve function. This fast-growing cancer rapidly invades and destroys…