Based on the symptoms you've described, it's possible that your delayed period and gastrointestinal issues could be related to stress and dietary changes. It's important to rule out any underlying medical conditions. I would recommend scheduling an appointment with a gynecologist to discuss your missed period and any potential hormonal imbalances. Also you need to consult with a gastroenterologist to evaluate your gastrointestinal symptoms. Avoiding stressors as much as possible and maintaining a healthy diet and exercise routine may also help alleviate your symptoms.

It's important to seek medical attention immediately if you have come in contact with HIV. You should visit an infectious disease specialist. They will be able to assess your situation and provide appropriate treatment

From the symptoms you have shared it seems that you are suffering from an infection in your finger after the K wire operation. It is of utmost necessity to have a consultation with an orthopedist surgeon at the earliest. They will be able to evaluate your finger and suggest a cure for the disease, which can take the forms of antibiotics or surgery, if required. 

If you want to gain weight, you will need to actively increase calorie consumption by consuming more calories than your body burns in a regular day. Additionally, you can add calories by consuming nutrient dense whole foods like nuts, avocados, and lean proteins. In fact, you can reach out to a registered dietitian or a nutritionist to get a plan suited to your personal needs. In cases of underlying diseases that are contributing to your weight gain, it is a good idea to have a consultation with an endocrinologist to conduct more thorough analysis.

It is hard to figure out the reason of your symptoms without a physical exam and medical history review. But the chance of you having a viral infection such as a flu, which may cause you to have fatigue, constipation and body pain, cannot be ruled out. I suggest that you approach a specialist for further examination and for treatment purpose.

Monitor her fever and give her plenty of fluids to prevent dehydration. You should consult a pediatrician to diagnose the root cause of fever and for treatment

It must be a kidney infection. The antibiotics you have been given should have helped if it was a UTI. Consult a urologist or nephrologist for a correct diagnosis and treatment

Headaches that come with light and sound sensitivity are conditions of a migraine; the same applies to stress and anxiety. It is important to consult with a neurologist to receive a precise diagnosis and treatment plan. 

The sounds you hear could be due to gas movement in the intestines.But if you are worried, you can consult with a gastroentrologist

You may have fungal infection in your throat , that can cause your sore throat and fatigue. Consult with ENT who will be able to identify the cause the problem and give the right treatment. 

This might indicate an imbalance of the gastrointestinal tract or food intolerance. Consult with a pediatrician for diagnosis and treatment

This indicates some gastrointestinal conditions. Please connect with a specialist

It is recommended to wait at least a year after recovering from sepsis before getting a piercing. This is to ensure that your immune system has fully recovered and can handle any potential infections. It is also advised to consult with an immunologist or infectious disease specialist before getting a piercing to ensure that it is safe for you.

Yes, fasting is possible for patients diagnosed with rhabdomyolysis. It is important to consult a specialist first for proper diagnosis and treatment.

I would suggest you to go for a full body checkup from a certified doctor in order to confirm if your weight is within an ideal or healthy range. Losing or gaining weight may indicate a medical condition that needs a thorough doctor examination.