Category: Conditions and Diseases

What are the symptoms of orthostatic hypotension? Orthostatic hypotension, also known as postural hypotension, is a condition characterized by a significant drop in blood pressure when an individual transitions from a supine (lying down) or sitting position to an upright position. The symptoms can vary in severity and may include the following: Common Symptoms Mechanism…

What are the symptoms of orthopoxvirus? Orthopoxvirus is a genus of viruses that includes several notable members, most prominently the variola virus (causing smallpox) and the vaccinia virus (used in the smallpox vaccine). While smallpox has been eradicated, other orthopoxviruses, such as monkeypox, remain relevant due to outbreaks and transmission. Symptoms associated with orthopoxvirus infections…

What are the symptoms of orthopnea? Orthopnea is a condition characterized by difficulty breathing when lying flat. It is often associated with heart failure, pulmonary issues, or other respiratory problems. The primary symptom of orthopnea is: 1. Breathlessness When Lying Flat: Other Associated Symptoms: While the hallmark symptom is difficulty breathing while lying flat, orthopnea…

What are the symptoms of oropharyngeal human papillomavirus infection? Human papillomavirus (HPV) infection, particularly certain high-risk types like HPV-16, is associated with oropharyngeal cancer. However, many people with HPV infections do not exhibit symptoms, and the infection often resolves on its own. When symptoms do occur due to HPV-related conditions in the oropharynx, they can…

What are the symptoms of oropharyngeal cancer? Oropharyngeal cancer, which affects the oropharynx (the middle part of the throat that includes the base of the tongue, soft palate, and the tonsils), may present with a variety of symptoms. The symptoms can vary based on the stage of the disease and the specific anatomical area affected.…

What are the symptoms of orofacial granulomatosis? Orofacial granulomatosis is a condition characterized by inflammation in the mouth and facial areas, often resulting in swelling and other symptoms. Here are the common symptoms associated with orofacial granulomatosis: Symptoms: Additional Considerations: If you or someone you know is experiencing these symptoms, it’s important to consult a…

What are the symptoms of ornithophobia? Ornithophobia is the excessive fear of birds. Like other specific phobias, it can provoke a range of symptoms when a person is exposed to birds or even when thinking about them. Symptoms can vary in intensity and may include: Physical Symptoms: Psychological Symptoms: Behavioral Symptoms: Cognitive Symptoms: Summary Symptoms…

What are the symptoms of organ failure? Organ failure can occur in any part of the body, and its symptoms can vary depending on which organ is failing. Here are common symptoms associated with failure of some major organs: 1. Kidney Failure: 2. Liver Failure: 3. Heart Failure: 4. Respiratory Failure: 5. Multi-organ Failure: When…

What are the symptoms of orchitis? Orchitis is inflammation of one or both testicles, often caused by an infection. It can be painful and lead to several symptoms, which may vary in severity. Here are the common symptoms associated with orchitis: Symptoms of Orchitis: If you suspect orchitis, especially if the symptoms are severe or…

What are the symptoms of orbital hypertelorism? Orbital hypertelorism is a condition characterized by an increased distance between the eyes (orbits) due to the lateral displacement of the orbits. This condition can be congenital and may be associated with certain syndromes or developmental abnormalities. The symptoms and signs of orbital hypertelorism can vary depending on…

What are the symptoms of orbital fractures? Orbital fractures, which occur when there is a break in one or more of the bones surrounding the eye (the orbit), can present with a range of symptoms. The severity and type of symptoms may vary depending on the location and extent of the fracture. Here are some…

What are the symptoms of orbital cellulitis? Orbital cellulitis is a serious infection of the soft tissues surrounding the eye (the orbit) and is often characterized by several key symptoms. It typically arises as a complication of sinus infections, but can also result from trauma, dental infections, or other causes. Here are the common symptoms…

What are the symptoms of oral mucocele? A mucocele is a benign, fluid-filled cyst that forms in the mouth, typically on the lips, inner cheeks, floor of the mouth, or under the tongue. It’s caused by the blockage or rupture of a salivary gland duct, leading to the accumulation of mucus. Here are the common…

What are the symptoms of oral lichen planus? Oral lichen planus is a chronic inflammatory condition that affects the mucous membranes inside the mouth. It can present in various forms and may have different symptoms depending on the individual. Here are the common symptoms: Symptoms of Oral Lichen Planus: Summary: Oral lichen planus can vary…

What are the symptoms of oral cancer? Oral cancer can present with a variety of symptoms, and early detection is crucial for effective treatment. Common symptoms of oral cancer include: If someone experiences any of these symptoms, especially if they persist for more than two weeks or worsen over time, it is important to consult…

What are the symptoms of oral allergy syndrome? Oral Allergy Syndrome (OAS), also known as pollen-food syndrome, is a condition in which certain fruits, vegetables, and nuts cause allergic reactions in people who are also allergic to specific pollen. The symptoms are often localized to the mouth and throat and can vary in severity. Common…

What are the symptoms of optic neuritis? Optic neuritis is an inflammation of the optic nerve, which can lead to various symptoms. Common symptoms include: Symptoms can develop rapidly, often over hours or days, and may be preceded by a viral infection or other related illnesses. If someone experiences these symptoms, it is important to…

What are the symptoms of optic nerve hypoplasia? Optic nerve hypoplasia (ONH) is a condition characterized by an underdevelopment of the optic nerve, which can lead to a range of visual and systemic symptoms. The severity and nature of symptoms can vary significantly among individuals. Here are some common symptoms associated with optic nerve hypoplasia:…

What are the symptoms of optic disc drusen? Optic disc drusen are small deposits of calcium and protein that accumulate within the optic nerve head (optic disc). They are typically asymptomatic and may be discovered incidentally during a routine eye examination. However, when symptoms do occur, they can include: 1. Visual Symptoms 2. Pupil Response…

What are the symptoms of optic atrophy? Optic atrophy is a medical condition characterized by the degeneration of the optic nerve fibers, which can lead to a variety of visual symptoms. The optic nerve is responsible for transmitting visual information from the retina to the brain, so damage or loss of function in this nerve…

What are the symptoms of oppositional defiant disorder? Oppositional Defiant Disorder (ODD) is characterized by a pattern of angry, irritable mood, argumentative/defiant behavior, or vindictiveness that lasts for at least six months. The symptoms can vary but generally fall into three main categories: irritability, defiance, and vindictiveness. Here are the common symptoms associated with ODD:…

What are the symptoms of opisthotonos? Opisthotonos is a specific type of muscle spasm characterized by an abnormal posture, in which the body is held in a hyperextended position due to extreme contraction of the muscles. This condition can arise from various causes, including severe neurological disorders, some infections, and reactions to certain toxins or…

What are the symptoms of opioid use disorder? Opioid Use Disorder (OUD) is characterized by a problematic pattern of opioid use that leads to significant impairment or distress. The symptoms can vary in severity and can manifest both physically and psychologically. According to the Diagnostic and Statistical Manual of Mental Disorders (DSM-5), the diagnosis of…

What are the symptoms of an opioid overdose? An opioid overdose is a serious and potentially life-threatening condition that occurs when an individual takes too much of an opioid medication or drug, either intentionally or accidentally. Recognizing the symptoms of an overdose is critical for prompt intervention. Here are the primary symptoms associated with an…

What are the symptoms of ophidiophobia? Ophidiophobia is the intense and irrational fear of snakes. This specific phobia can cause significant distress and may lead to avoidance behaviors that impact a person’s daily life. Here are some common symptoms associated with ophidiophobia: Psychological Symptoms Physical Symptoms Behavioral Symptoms Impact on Daily Life The severity of…

What are the symptoms of an open globe injury? An open globe injury refers to a full-thickness wound of the eye wall, which can result from various trauma such as a sharp object penetrating the eye. This type of injury is a medical emergency, and timely intervention is crucial to preserve vision and minimize complications.…

What are the symptoms of onycholysis? Onycholysis is a condition characterized by the separation of the nail plate from the nail bed. This can affect the fingernails, toenails, or both. Symptoms of onycholysis can vary depending on the underlying cause but typically include the following: Symptoms of Onycholysis Associated Signs What are the causes of…

What are the symptoms of mutated oncogenes? Oncogenes themselves do not have symptoms; rather, they are genes that, when mutated or abnormally expressed, can contribute to the development of cancer. The presence of oncogenes typically indicates a dysregulation of normal cellular functions that can lead to uncontrolled cell growth and proliferation, which is a hallmark…

What are the symptoms of onchocerciasis? Onchocerciasis, also known as river blindness, is caused by the parasitic worm Onchocerca volvulus. The symptoms of onchocerciasis can vary in severity and may not appear until many months or even years after the initial infection. Here are the main symptoms associated with the disease: Skin Symptoms Eye Symptoms…

What are the symptoms of omphalocele? Omphalocele is a congenital condition in which the baby’s abdominal organs protrude through a defect in the abdominal wall at the base of the umbilical cord. The organs are typically covered by a thin membrane. Symptoms of omphalocele can vary depending on the size of the defect and the…