You may have hurt some of the ligaments in your right knee. This could happen when you twist or injure your knee. Ligament tearing can lead to stiffness and difficulty in straightening your knee properly. Therefore, it is important to rest, apply ice to the knee to reduce swelling, and do gentle exercises to strengthen the muscles around the knee. If the pain and stiffness worsen, it is better to see an orthopedist for a check-up. 

Dark skin can happen due to reasons such as air pollution, racial background, or hormonal imbalance. To help your skin, wear sunscreen every day, drink lots of water, and eat fruits and vegetables. You can also cream skin lightening or consult with a dermatologist for other treatments that may lighten your skin.

Temporomandibular joint (TMJ) disorder, can produce clicking sounds when you open your mouth. Nervous habits such as teeth grinding, stress or jaw misalignment may contribute to this. Many cases can be treated without surgery. Simple exercises for the jaw, hot/cold packs, and elderly eating are some of the treatments that might result in improvement. If your symptoms continue to worsen, you should get in contact with an orthopedist.

Because you have blood in your stool, anal discomfort, itching, burning, and a low platelet count, you might have hemorrhoids or an anal fissure. These conditions can cause bright red blood, gas, changes in your stool, and issues with your platelet count. To feel better, try increasing your fiber intake, staying hydrated, and taking sitz baths. It's important to see a gastroenterologist for proper evaluation and treatment.

Pain in your lower stomach can be a trouble. As an example of several reasons for such pain are gas, constipation, and in the case of women, periods. Sometimes, infections in the bladder or bowels can also lead to this pain. For constipation, drinking water and eating fiber-rich food may help you, or even a warm bath for period pain. If the pain persists or worsens, inform a gynecologist so they can assist you in feeling better.

Not having periods at 21 can happen for different reasons. If the size of your egg is small, it might be a condition called premature ovarian insufficiency. Symptoms may include no periods, hot flashes, and dryness in the private parts. It is important to visit a gynecologist who can suggest suitable treatment.

You may be suffering from a blood clot in your leg as a result of the accident. Injury to the leg causes blood to pool and form a clot causing swelling, redness, and pain. This is serious because the clot may break free and travel to other parts of your body. Elevate your leg above your heart, apply ice, and take a break. When the pain persists or becomes severe, go to the nearest hospital immediately.

You're feeling the blood in your chest, your eyes are aching, and tenderness in your cheek area. In some instances, chest pain can be caused by heart problems. The reason behind the eye pain can be either the strain or infection. The cause of cheek pain may be a sinus problem. Ensure that you take breaks, consume water, and do not rub your eyes. If the pain persists, medical assistance should be sought to determine the exact cause and receive the appropriate treatment.

Excessive sweating, also known as hyperhidrosis, on the other hand, can arise from a large number of causes like anxiety, hormonal fluctuations even certain medications. Your thyroid and blood pressure readings are normal so we should move on to other causes like stress or diet. Keep your body cool, use breathable fabrics, and don't forget about relaxation techniques like deep breathing or yoga, and you will reduce sweating. If it gets worse, you should talk to the doctor about it first.

Swelling in your leg can occur due to the injury. It is your body's way of safeguarding itself. If the swelling does not subside, try elevated rest, ice pack application, and wear a compression bandage. These measures can help you swell less and thus, ease your pain and make your exam successful. 

You may have something called post-orgasmic illness syndrome (POIS). Post ejaculation it can lead to tiredness, weakness, and feeling unwell. The cause is suspected to be an allergic reaction to the person's semen. One approach is to use condoms during sex to prevent this kind of reaction. It is crucial to have a sexologist who is qualified for a proper diagnosis and management plan.

Malpositioned teeth can lead to problems such as difficulty in chewing and talking. It is the result of genetic factors or the acquisition of certain habits like sucking thumb. Braces are a well-known method for fixing such problems. They slowly shift your teeth to the desired position. Do not be afraid, as many teenagers your age wear braces, and is completely normal. But, you can visit an orthodontist to learn more about it.

Fevers and headaches are often caused by infections like the flu or a cold. When you're sick, your brain can ache, and your body might get hotter than usual because your immune system is fighting the illness. Make sure to get plenty of rest, drink lots of water, and take some paracetamol or acetaminophen to help reduce the fever. If the pain is severe or the symptoms persist, it's important to see a doctor for proper treatment.

You might be suffering from a circumstance when the opening is seen to be wider than usual. This is the outcome of different aspects such as previous surgical courses or infection. A split stream of urine may occur if the opening is too wide. The proper treatment could be given to you by a urologist, and you could lessen the problem of the urethra widening. 

Period symptoms don’t usually include stomach aches, but it seems that’s what you’re going through. Weakness, dizziness, and fatigue may be low iron in the blood or hormonal changes. Ensure you take a healthy diet consisting of green leafy vegetables and fruits. Apart from that, drink enough water and have a good sleep. Should these symptoms persist, seeking medical attention for further investigation is vital.