A spider bite that stops itching requires cleaning the area, applying cold compresses, and using over-the-counter hydrocortisone cream or antihistamines. For severe reactions, seek medical attention immediately.
Spider bites trigger itching through their venom or saliva, which can cause allergic reactions or inflammation. Most spider bites are harmless, but some species (like black widows or brown recluses) can cause serious reactions. The itching occurs as your immune system responds to the foreign substances introduced by the bite.
| Spider Type | Typical Reaction | Duration |
|---|---|---|
| House spiders | Mild redness, slight swelling, itching | 1-3 days |
| Black widow | Severe pain, muscle cramps, itching, redness | Up to a week |
| Brown recluse | Intense itching, ulceration, necrosis | Weeks or longer |
First, wash the bite area with soap and water to prevent infection. Apply a cold compress for 10 minutes to reduce swelling and numb the area. Over-the-counter hydrocortisone cream (1%) can relieve itching, as can oral antihistamines like Benadryl. Avoid scratching, as this can worsen irritation and lead to infection.
Seek medical attention if the bite shows signs of infection (increasing redness, warmth, pus), if itching persists beyond a few days, or if you develop systemic symptoms like fever, nausea, or difficulty breathing. Black widow and brown recluse bites may require antivenom or specialized treatment.
For most people, however, mild spider bites will resolve on their own with basic care. Keeping the area clean and avoiding scratching are key to preventing further issues.