Swimmer's itch occurs when your body has an allergic reaction to parasite larvae found in swimming water. While the rash can be uncomfortable and is often very itchy, it usually resolves with simple home treatment.





Certain brands of sunscreen have been found to contain benzene, but at concentrations low enough that they are not likely to cause any acute health effects. The use of sunscreen is still strongly recommended, but you should avoid products contaminated with benzene.

Hydrocortisone belongs to a class of medicines called corticosteroids. It is available in various forms, including topical creams, pills, and suppositories. It is often used to treat eczema, hemorrhoids, bug bites, mild sunburns, and rashes. Because it might cause fetal harm, using hydrocortisone during pregnancy is not recommended.

Xylazine, also known as "tranq," is a powerful animal tranquilizer. Although it is not intended for human use, xylazine is a common contaminant of illicit drugs in the U.S. It can worsen toxic effects of some drugs. Xylazine use causes sleepiness and a slow respiratory rate and might result in development of necrotic skin wounds (skin wounds with dead tissue).

Bupropion is a medication that is most commonly prescribed to treat depression, quit smoking, and lose weight. It is generally safe at recommended doses, but there can be serious side effects, the most notable being seizures. It is important to take the medication exactly as directed to minimize adverse effects. Common brands containing bupropion include Wellbutrin, Zyban, and Contrave.

Pill esophagitis occurs when capsules or tablets get stuck in the esophagus (food pipe) and cause tissue damage. Antibiotics, including doxycycline, and gelatin capsules are common causes of pill esophagitis. This condition is often painful but typically resolves after discontinuation of the responsible medication.