Insect bites may be inflicted by mosquitos, fleas, bugs, lice and a plethora of other species pertaining to distinct families of the order insects. While they are of little medical interest in the vast majority of cases, immunocompromised or allergic patients may suffer from severe reactions to an insect bite.
Tick paralysis may result from a tick bite if the parasite releases a neurotoxin contained in its saliva into the patient's circulation. It is an uncommon disease and up to date, it has only been reported on the Australian and American continents.
TP patients typically present with an acute, ascending paralysis,…
Rabies is a viral infection caused by lyssaviruses.
Rabies presents itself in the form of flu like symptoms in the beginning. The incubation period is around 2-12 weeks. Later the symptoms seen are increased sensation at the site of bite, excitability, muscle spasms, restlessness, excitability, slight or partial paralysis,…
Also known as lateral femoral cutaneous nerve entrapment, meralgia paresthetica is a benign condition caused by the compression of this nerve at any point along its course.
It can present with a burning sensation, paraesthesia, or hyperesthesia over the distribution of the nerve on the anterolateral aspect of…
Decompression sickness is a condition caused by change in barometric pressure.
Since bubble formation is an uncontrolled process, they can develop anywhere in the body, common sites being the shoulders, elbows, knees, and ankles. In most cases of altitude decompression sickness, the person generally complains of…
Frostbite is a type of freezing injury, often accompanied by irreversible tissue damage.
Depending upon the depth of tissue damage, frostbite has been classified into various categories, each of which has its own characteristic clinical manifestations. These include: First-degree frostbite Commonly known as “frost…
Acute intermittent porphyria (AIP) belongs to a group of hereditary diseases known as porphyrias which are characterized by defective heme metabolism, leading to excessive cellular secretion of porphyrins and their precursors. Patients with AIP will experience abdominal pain, neuropathies and constipation without…
The initial bite of the black widow spider may be unnoticeable to the victim. A mild local pain may be felt at most in adults while infants may present with persistent crying. The autonomic and the neuromuscular signs of spasms and muscle fasciculation sets in after a few hours to few days. Some patients complain of…
Acute hepatic porphyria is a term encompassing four types of porphyria, in which the production of toxic heme precursors occurs in the liver and causes acute attacks of abdominal pain, nausea, neurological and mental changes, as well as hypertension and pain in the head and neck and/or chest. The diagnosis is…