Pain, ticks

Arachnids (scorpions, spiders, and ticks) Scorpions Stinger - neurotoxin, no enzymes Localized pain, mostly dangerous to children... 

Ticks also live their adult lives among grasses and short shrubs. They are typically larger than mites, and it is the adult female that attaches itself to an animal host for a blood meal. Tick bites themselves can be painful and irritating. More importantly, ticks can carry a number of diseases that affect humans. The most common of these include Rocky Mountain spotted fever, Colorado tick fever, and the latest occurrence of tick-bome infections Lyme disease. 

A case of facial edema and pain and swelling of the left knee following the receipt of tick-borne meningoencephalitis vaccine was suspected to be caused by thiomer-sal allergy (7). 

In general, the incubation period in humans after tick exposure is 7-14 days. The characteristic symptom seen in most infected individuals is a red, slowly expanding, bulls-eye rash. This is accompanied by general malaise, fever, headache, muscle aches, and joint pain. If the infection is not treated, the exposed individual may develop arthritis, neurological symptoms e.g., facial palsy, nerve, and/or brain inflammation and, rarely, cardiac abnormalities. 

Class Index C25 headache, fever, pain in lower back and limbs, Vector (Ticks) days Mortality Rate < 10%... 

By warding off biting insects, DEET protects against the diseases they carry. Mosquitoes, for example, carry diseases such as malaria, one of the most serious diseases in the world, responsible for an estimated three millions deaths a year encephalitis, an infection that causes inflammation and swelling of the brain and West Nile virus, an organism that affects the central nervous system and poses a serious threat to both humans and other animals. Ticks carry Lyme disease, an infection spread hy the deer tick that causes a skin rash, joint pain, and flu-like symptoms that can develop into a debilitating and permanent health problem if not treated early. 

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