Uu

Urticaria (Hives) – Raised, red, itchy welts on the skin, often caused by allergic reactions or irritants.
Urinary retention – Difficulty or inability to fully empty the bladder, often linked to urinary tract infections, prostate problems, or nerve issues.
Unexplained weight loss – Sudden weight loss without trying, which can be caused by conditions like hyperthyroidism, cancer, or gastrointestinal disorders.
Upper back pain – Discomfort or pain in the upper back, often due to muscle strain, poor posture, or stress.
Urinating frequently – Increased need to urinate, which can be a symptom of conditions like diabetes, urinary tract infections, or overactive bladder.
Underactive thyroid (Hypothyroidism) – A condition where the thyroid gland doesn't produce enough hormones, leading to fatigue, weight gain, and depression.
Uveitis – Inflammation of the middle layer of the eye (uvea), which can cause redness, pain, and vision problems.
Uncontrolled bleeding – Bleeding that cannot be stopped, often due to clotting disorders, injury, or certain medical conditions.

Uncertainty – A state of doubt or lack of confidence, often linked to anxiety, stress, or major life decisions.
Unfocused thinking – Difficulty concentrating or maintaining attention, which can occur in conditions like ADHD or depression.
Undeveloped social skills – Difficulty interacting with others or understanding social cues, often seen in individuals with autism or social anxiety disorder.
Unresolved trauma – Emotional pain or psychological wounds from past traumatic events that have not been addressed or healed, leading to conditions like PTSD.
Unusual beliefs – Irrational or bizarre beliefs that don't align with reality, which may be indicative of mental health conditions like schizophrenia or delusional disorder.
Unstable mood – Rapid fluctuations in mood, often seen in conditions like bipolar disorder, borderline personality disorder, or during times of high stress.
Unhealthy perfectionism – A mindset that demands flawlessness, leading to anxiety, stress, and feelings of inadequacy when goals aren't met.
Unresponsive behavior – Lack of reaction or interaction in social or emotional situations, which can be seen in depression or certain personality disorders.