Sea lice is skin irritation due to the trapping of small jellyfish larvae underneath bathing suits in the ocean . Pressure on the larvae causes them to release inflammatory, stinging cells that cause itching, irritation, and red bumps on the skin.
Patients can usually self-treat sea lice with supportive care using over-the-counter products. Advise patients that an oral antihistamine, such as Benadryl (diphenhydramine), along with topical hydrocortisone cream can be used to relieve the itching .
They’re so-called ” sea lice” (not exactly like in Cat. Bob’s Wikipedia link) almost microscopic larvae of jellyfish and sea anemones which cause a burning or stinging sensation. This is annoying, but not dangerous.
If you were swimming in the Atlantic Ocean , the Gulf of Mexico, or the Caribbean Sea , the rash could be a condition called sea lice . While it may make you itchy and uncomfortable for a few days (or a week), there are usually no lasting effects.
The rash typically appears between 4 and 24 hours after you swim. You might feel a slight prickling sensation in the water when the larvae release their toxins. You’ll often see the rash on areas of your body that your bathing suit covers. You might also find spots on your arms, legs, neck , and in your armpits.
Symptoms of Swimmer’s Itch Itchy skin rash. Begins within 2 hours of swimming in a fresh water lake . The rash only occurs on areas exposed to the lake water. The first symptom is itching or burning of the skin. Then small red spots appear within 1 or 2 hours. The spots turn into small red lumps over 1 or 2 days.
Chlorine can’t kill head lice . The Centers for Disease Control and Prevention (CDC) also report that swimming in a chlorinated pool won’t kill lice . Not only are lice able to survive pool water, but they also firmly grip human hair when a person goes under water.
Since larvae can become trapped in the fabric of your suit, it is important to remove a contaminated suit to prevent more stings. If available, rinse your suit in household vinegar or rubbing alcohol. Wash your suit in hot, soapy water and dry it in a dryer, if possible, before you wear it again.
How do I treat swimmer’s itch? Apply plain calamine lotion. Take antihistamines . Take shallow, lukewarm baths with 3 tablespoons of baking soda in the water . Take colloidal oatmeal baths. Apply cool compresses. Avoid scratching.
What to Wear : Everyday Outfits DO : Short skirts and shorts are ok to wear . DON’T : Although short skirts and shorts are totally acceptable to wear , you shouldn’t be able to see your butt cheeks! DON’T : Wearing a spaghetti strap shirt and/or going barefoot are not appropriate choices.
What are sea lice then? They’re a type of crustacean that’s a parasite to marine fish. They’re technically thimble jellyfish that breed in the warm waters of the Atlantic and the Gulf of Mexico during the spring and summer months. And, like regular head lice , they aren’t dangerous to humans — just supremely annoying.
Incidents have also been reported along the west Strait of Malacca; most notably Krabi, Phuket , Ko Lanta, and Koh Phi Phi, Thailand’s Andaman Coast, which sees much deeper water, is considered to be the safer in terms of jellyfish activity.
What is swimmer’s itch? Swimmer’s itch, also called cercarial dermatitis, appears as a skin rash caused by an allergic reaction to certain microscopic parasites that infect some birds and mammals. These parasites are released from infected snails into fresh and salt water (such as lakes, ponds, and oceans ).
Adult: The fully grown and developed adult louse is about the size of a sesame seed, has six legs, and is tan to grayish-white in color. Adult head lice may look darker in persons with dark hair than in persons with light hair. To survive, adult head lice must feed on blood.
Symptoms normally do not begin until four to six hours after leaving the water, and they can last as long as two weeks . How to avoid sea lice stings?