Since your fever and headache return when paracetamol wears off, and you now have a sore throat, the best next step is to consult a doctor for a physical exam. While a negative dengue test is reassuring, these symptoms could suggest a viral infection or a bacterial throat infection that may need specific treatment. In the meantime, please continue to rest, stay well-hydrated, and take your paracetamol strictly as prescribed, keeping track of the daily limits.

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Since standard pain medications aren't providing relief, it is very important to consult a gynecologist for a detailed evaluation. They will likely recommend a pelvic ultrasound or an MRI to check for conditions like endometriosis. A minimally invasive procedure called a laparoscopy may also be discussed to safely find and treat the cause. For management, hormonal treatments like generic oral contraceptives or progestins can be highly effective in reducing your pain.

Please try not to worry. A 'weakly reactive' result is not a final diagnosis; it is a preliminary screening result that requires a confirmatory test. Your symptoms of fever, restlessness, and body pain can be caused by many common viral infections.\n\nHere are your next steps:\n1. **Get a Confirmatory Test:** Visit a healthcare provider immediately for diagnostic confirmation (such as an HIV RNA or Western Blot test).\n2. **Manage Symptoms:** For temporary relief of fever and pain, you can take paracetamol. Ensure you rest and stay hydrated.\n3. **Hold on HIV Medications:** Do not start antiretroviral therapy until you have a confirmed diagnosis. \n\nYour doctor will guide you through this process.

Since Ultracet and cold compresses aren't helping, try lying flat on your back with a pillow under your hips for 15 minutes during study breaks; this uses gravity to drain the veins and reduce pressure. You might also talk to a doctor about trying a scheduled nonsteroidal anti-inflammatory drug (NSAID), like ibuprofen, which targets vein inflammation differently than tramadol/acetaminophen. Avoid prolonged standing or heavy lifting, and try warm baths instead of cold to relax the area. Please see a urologist soon after your exams for a proper evaluation.

Since Ultracet (tramadol/acetaminophen) and Otogesic (antipyrine/benzocaine) ear drops aren't helping, please do not take extra doses. Worsening, sharp pain can sometimes indicate an infection or pressure building behind the eardrum. I highly recommend having a doctor examine your ear today. They can safely look inside to find the exact cause and prescribe the right treatment, such as antibiotics. In the meantime, applying a warm compress gently to the outside of your ear may offer some comfort.