[21F] Experiencing late period, sharp lower back and abdominal pain, nausea, and weakness

What might be happening

Based on the information you've provided, potential diagnoses include:

• Kidney Stones: These are hard deposits made of minerals and salts that form inside your kidneys. They can cause severe pain in your back or side, along with other symptoms such as nausea and chills.

  • Treatment often involves pain relief and drinking lots of water to help pass the stone. In some cases, medical procedures may be needed to remove or break up larger stones.

• Urinary Tract Infection (UTI): This is an infection in any part of your urinary system, which includes your kidneys, bladder, ureters, and urethra. UTIs can cause lower abdominal pain and back pain, along with other symptoms such as a frequent urge to urinate and a burning sensation when urinating.

  • Treatment typically involves antibiotics to kill the bacteria causing the infection.

• Pregnancy: Even though your pregnancy tests have been negative, it's still possible that you could be pregnant, especially if your period is late and you've had unprotected sex. Early pregnancy can cause a variety of symptoms, including lower back pain, abdominal pain, nausea, and fatigue.

  • If you're pregnant, you'll need to start prenatal care. If you're not ready to be a parent, there are other options available to you, such as adoption and abortion.

What you can do

You should see a doctor as soon as possible to get a proper diagnosis. In the meantime, here are some things you can do to help manage your symptoms:

1. Stay Hydrated: Drinking plenty of water can help flush out your urinary system and may help if you have kidney stones or a UTI.

2. Rest: If you're feeling weak and shaky, make sure to get plenty of rest. Try to avoid activities that make your symptoms worse.

3. Pain Relief: Over-the-counter pain relievers, such as ibuprofen, can help manage your back and abdominal pain. However, you should check with a healthcare professional before starting any new medication.

What you should look out for

You should seek immediate medical attention if you experience any of the following:

• Severe pain that you can't manage with over-the-counter pain relievers
• Fever or chills
• Blood in your urine
• Vomiting or severe nausea
• Any other symptoms that are severe or concerning to you

Please remember that this advice is intended to be general in nature, and specific causes may not apply to your personal circumstances. Always consult with a healthcare provider for appropriate examination, testing, and care recommendations.