Dr. Hanif warmly Welcomes you! Thanks for consulting at my virtual clinic. I have carefully worked through your case, and I can realize your health worries. Being your physician, I assure you not to worry as I will take care all of your medical concerns.   It is due to the allergic reaction to the skin. There on the beach, your skin got some allergen contamination, or may it be a bug bite on your skin. Whatever the case may be, you need to take care it off. Apply Eucerin Eczema relief ointment available over the counter . Plus, Triamcinolone acetonide ointment on the whole of affected skin. Take tablet Claritin twice daily for the itching. Take a shower now with Oatmeal milk and honey body wash. It will soothe you. Hope I answered all of your health concerns . If you have further questions in future, feel free to contact me anytime. In the start of your question write my name, and I will get back to you in no time. If satisfied, please click you found it helpful. Have a wonderful time ahead.   Best Regards! DR. MUHAMMAD M. HANIF USA