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Mast cell activation syndrome (MCAS) is a term referring to one of two types of mast cell activation disorder (MCAD); the other type is idiopathic MCAD. [1] MCAS is an immunological condition in which mast cells, a type of white blood cell, inappropriately and excessively release chemical mediators, such as histamine, resulting in a range of chronic symptoms, sometimes including anaphylaxis or ...
Rash on an arm due to Zika fever Most people who are infected have no or few symptoms. [ 16 ] Otherwise the most common signs and symptoms of Zika fever are fever , rash , conjunctivitis (red eyes), muscle and joint pain , and headache, which are similar to signs and symptoms of dengue and chikungunya fever. [ 17 ]
The syndromes within CAPS overlap clinically, and patients may have features of more than one disorder. In a retrospective cohort of 136 CAPS patients with systemic involvement from 16 countries, [2] the most prevalent clinical features were fever (84% of cases, often with concurrent constitutional symptoms such as fatigue, malaise, mood disorders or failure to thrive), skin rash (either ...
[9] [10] Common symptoms include fever, sore throat, red tonsils, and enlarged lymph nodes in the front of the neck. A headache and nausea or vomiting may also occur. [11] Some develop a sandpaper-like rash which is known as scarlet fever. [2] Symptoms typically begin one to three days after exposure and last seven to ten days. [2] [3] [11]
A rash due to rubella on a child's back. The area affected is similar to that of measles but the rash is less intensely red. Specialty: Infectious disease: Symptoms: Rash, swollen lymph nodes, fever, sore throat, feeling tired [1] [2] Complications: Testicular swelling, inflammation of nerves, congenital rubella syndrome, miscarriage [1] [3 ...
Symptoms may develop 4–6 hours following heavy exposure to the provoking antigen. Symptoms include fever, chills, malaise, cough, chest tightness, dyspnea, rash, swelling and headache. Symptoms resolve within 12 hours to several days upon cessation of exposure. [1]
Other general symptoms include fever, fatigue, muscle aches, headache, abdominal pain and swollen neck glands. [6] Onset is usually two to fourteen days after exposure to the virus. [ 10 ] A mild eye infection may occur on its own, combined with a sore throat and fever, or as a more severe adenoviral keratoconjunctivitis with a painful red eye ...
A case of strep throat. Streptococcal pharyngitis or strep throat is caused by a group A beta-hemolytic streptococcus (GAS). [20] It is the most common bacterial cause of cases of pharyngitis (15–30%). [19] Common symptoms include fever, sore throat, and large lymph nodes. It is a contagious infection, spread by close contact with an infected ...