How does spider venom affect the human body?
Spider venoms work on one of two fundamental principles; they are either neurotoxic (attacking the nervous system) or necrotic (attacking tissues surrounding the bite). In some cases, the venom affects vital organs and systems.
Can spider bites cause neurological problems?
Three main syndromes result from spider bite envenoming: latrodectism, loxoscelism, and funnel-web spider envenoming. Latrodectism is related to neurotoxins present in the venom of widow spiders. Most cases present with headache, lethargy, irritability, myalgia, tremor, fasciculation, or ataxia.
Can spider bites cause long term effects?
Additionally, you may be allergic to a certain spider’s venom and experience serious side effects from the bite. Other types of spider bites can be treated at home and symptoms should subside after 1 to 2 days. Lingering or worsening symptoms may be a sign of infection and require the care of a doctor.
What are the side effects of a brown recluse bite?
Symptoms of a Brown Recluse Bite
- Pain or redness at the site of the bite.
- A deep sore (ulcer) that forms where you were bitten, with the skin at the center turning purple.
- Fever.
- Chills.
- Nausea.
- Joint pain.
- Feeling weak.
- Seizures or coma (very rare)
Can a spider bite cause seizures?
Symptoms can be more severe in infants and children. For example, they could experience weakness, joint pain, and seizures, depending on which spider bit them. Death from venomous spider bites is rare but can occur, especially if the person does not seek treatment .
How does Venom affect the brain?
Cytotoxic venom kills human tissue and if any tissue dies then it will have to be amputated. The goal of neurotoxic venom is to “disrupt the function of the brain and nervous system” (wisegeek). This kind of venom can lead to paralysis and an inability to control one’s muscles.