flushing of face

blister(s) or bump(s) on hand(s), itching, lump(s) in skin, puffy face

fear of being alone, fear of losing control in a public place, increased sweating, restlessness

difficulty breathing, increased sweating, palpitations, stomach pain

Anxiety is an unpleasant, emotional state of high energy that involves a complex combination of emotions that include fear, apprehension, and worry. It is often accompanied by physical sensations such as heart palpitations, nausea, chest pain, shortness of breath, or tension headache. ... 

blister(s) or bump(s) on skin, itching, lump(s) in skin, rash

Urticaria or hives is a relatively common form of allergic reaction that causes raised red skin welts. Urticaria is also known as nettle rash or uredo. These welts can be 5 mm (0.2 inches) in diameter or more, itch severely, and often have a pale border. Urticaria is generally caused by direct contact with an allergenic substance, or an immune response to food or some other allergen. Hives can be caused by stress. ... 

puffy face, stomach pain, upper abdominal pain, vomiting

confusion, convulsions, palpitations, passing out

Generalized tonic-clonic seizures (also called grand mal seizures) are the type of seizure that most people associate with the term "seizure," convulsion, or epilepsy. They may occur in people of any age, as a single episode or as a repeated, chronic condition (epilepsy). The majority of seizures that do occur as just a single episode are generalized tonic-clonic seizures rather than other types. ... 

increased sweating, muscle weakness in foot (feet), palpitations, weight loss

Hyperthyroidism (or "overactive thyroid gland") is the clinical syndrome caused by an excess of circulating free thyroxine (T4) or free triiodothyronine (T3), or both. ... 

breathing fast, chest pain, palpitations, stomach pain

Panic disorder is a diagnosed psychiatric mental condition that causes the sufferer to experience sporadic, intense, and often reoccurring panic attacks. ... 

breathing fast, choking, flushing of face, swollen hand(s)

In 1968, reports of a series of reactions to Chinese food were first described. MSG was reported to cause these symptoms, but subsequent research produced conflicting data. Many studies were performed, but a majority failed to show a connection between MSG and the symptoms that some people describe after eating Chinese food. For this reason, MSG continues to be used in some meals. However, it is possible that some people are particularly sensitive to food additives, and MSG is chemically similar to one of the brain's most important neurotransmitters, glutamate. ... 

difficulty speaking, difficulty walking, eye pain, high blood pressure