Causes of Unexplained Fatigue

Throat ache, coughing, and slight fever might me­an a cold or flu. Viruses cause sore throat and coughing. Fe­ver helps fight infection. For re­lief, ensure she­ rests, drinks lots of fluids, and takes over-the­-counter pain meds if nee­ded. However, if symptoms worse­n or persist, see a doctor. 

Weight gaining may be cause of different conditions such as genetics, hypothyrodism etc. Talk to your healthcare professional for some tests and thorogh treatment

Lower abdominal pain has different causes and these include everything from menstrual cramps to gastrointestinal problems. It is essential to visit a doctor for diagnosis of the origin of the pain. If the pain is related to the gut, then a visit to the gastroenterologist is needed. 

For loose motions ensure hydration by giving sips of ORS frequently. Provide easily digestible foods like rice or bananas etc. Its best if you show him to your doctor.

According to the lymph node you state, your armpit lump may be a swollen lymph node. I recommend you see a family doctor or a specialist in internal medicine in the first place to acquire an accurate assessment and the necessary recommendations.

Such fever last for more than 3 days may be a symptom of a serious disease. You are advised to see a doctor right away.

No, you do not have to go to the ER only because your earring can't find in there. Most probably, the earring fell off by itself. But you need to visit an ENT physician if and when there is pain, swelling, or discharge.

The symptoms you're experiencing may be due to allergies or environmental factors. Allergies can trigger these symptoms. Treatment options may include over-the-counter antihistamines, avoiding allergens when possible and please consult your doctor for diagnosis.

Different illnesses can result into black spots in the tongue. A consultation with a dentist is always recommended for proper diagnosis and treatment. Skipping the symptoms may cause severe oral health problems in the future.
 

A small, hard lump on the sternum could be a normal bone anatomy, benign or malignant tumors, cysts, lipomas, or inflammation of the chest cartilage. Consult with a specialist for an accurate diagnosis and personalized guidance. They can perform an examination and order additional tests if needed.

Yes, a 17-year-old can take Vitamin C tablets. Vitamin C plays a critical role in the body by keeping it healthy and boosting the immune system. If you easily get tired, prone to illnesses, or have wounds that take too long to heal, it might be an indication that you lack enough of this vitamin. You can meet your daily requirements of Vitamin C by taking tablets.

Nipple pain and general breast tenderness are caused by the following factors pregnancy, lactation, menstruation, or infection. Therefore, it is advisable to visit a gynecologist or a breast specialist who can detect and treat the main disorder.

There are several conditions that might be accompanied by genital sores, feeling week and fatigue like herpes syphilis or HIV. Assessment and treatment of this condition by a health professional who specializes in infectious diseases or dermatology is recommended.

One-sided tinnitus can be a symptom of a condition, like an ear injury, an ear infection or age related hearing loss. Even if it may not be a serious problem, you should consider consulting an ENT. They will carry out a comprehensive examination and recommend a treatment plan appropriate to the nature of the condition.

To have a successful treatment it is essential to have a medical specialist deal with tuberculosis. In Australia, pulmonologists or infectious disease specialists who are the ones trained to treat tuberculosis are the ones who deal with the tuberculosis cases. 

Ibuprofen, paracetamol, and caffeine tablets are usually not recommended for treating fever, as they are designed more for pain relief and headaches. For fever, paracetamol alone is generally sufficient. However, it's best to consult with a general physician to get proper guidance on the right medication for your specific condition.