The likelihood of HIV infection is negligible if a diabetic needle pricks your hand. HIV is transferred via blood, however, the needle prick is not a high-risk exposure. If you are concerned, watch out for symptoms such as flu, fever, or rash. If you see them, go to a doctor. 

Allergic reactions to antibiotics are a common issue, resulting in itching or welts on the body. It is essential to stop using the antibiotic at once and see a doctor. An allergist or an immunologist is going to be able to diagnose and manage the allergy.

That redness on your nose might be­ leftover swelling. Don't worry though, with some­ gentle TLC, it should fade. Be­ sure to moisturize and use mild products. Staying out of harsh sunlight (and SPF!) will also ke­ep discoloration away. It may take time, but your skin will he­al. 

You have been suffering from allergic rhinitis (hay fever) for the last two years. Symptoms like sneezing, running nose, and congestion can be very annoying. Usually, the things that trigger this allergic reaction are pollen, dust mites, or pet dander. Antihistamines like Montas-L can help you by blocking the allergy response and thus, reducing the symptoms. The regular intake of your medication is necessary for the proper control of your allergy.

Either a jock itch or an STI can cause groin itching. Jock itch results from sweat and friction, leading to redness, itching, and rashes. An STI may have similar symptoms but is related to unprotected sex. Use antifungal creams for jock itch and practice safe sex to prevent STIs. Maintaining good hygiene is also important.

The redness you see might be a cause of infection. It can be managed by washing the area properly with soap and water. Next, put an over-the-counter antibiotic ointment and cover it with a bandage. If the redness starts to expand, you get a fever, or if there is pus, seek medical help immediately.