I advise that you see an oncologist specializing in head and neck cancers. Early diagnosis and cure facilitate better outcomes, hence immediate medical attention is crucial.
 

Masturbation is a natural and healthy act. On the other hand, if it is affecting your daily life and your ability to focus on studies it might be a symptom of a deeper problem. It is advised that you seek the help of a mental health professional or a sex therapist. 

The pinkish discharge during pregnancy could be a sign of cervical or vaginal infection or it might be due to implantation bleeding. It is vital to see the obstetrician or gynecologist for an examination to establish the reason for the discharge. 

It is advised that you should see a doctor who deals in infectious diseases and also get tested. The doctor will decide on the next steps depending on the scratch severity, the location, and the overall health state. A doctor may recommend a rabies vaccine based on the case. 

Urinary frequency and back pain can indicate urinary tract infection or kidney stones. It is necessary to see a urologist or a nephrologist to rule out the problem and carry out treatment.

Trigeminal nerve pain can have many causes, such as dental problems, trauma, infections, tumors, and sinus issues. A possible contributing factor to your symptoms is a small retention cyst in your maxillary sinus. A further evaluation by an ear, nose, and throat (ENT)specialist is recommended.

You need to consult a doctor if you get nausea, lower abdominal pain, and discharge from unprotected sex. Symptoms can be related to different conditions, for example, STIs or PID. I recommend that you see a gynecologist or sexual health specialist urgently.

Do not attempt to medicate yourself without a proper diagnosis. The patient might be suffering from a respiratory illness or allergy, hence the combination of levofloxacin and fexofenadine might not be appropriate. It is suggested that you see a pulmonologist or allergist for proper assessment and management.

Your tonsil infection may have returned, and the antibiotic you took previously may not have completely cured it. I recommend visiting an ENT specialist who can diagnose and treat your condition appropriately. 

Bleeding after 4 days can signify pregnancy bleeding, hormonal imbalance, or even an infection. Consulting a gynecologist will give you a proper diagnosis and treatment.

Follow the exact dosage of medication as directed by your doctor. Overdosing or underdosing can harm the baby. It is better to consult the pediatrician if there is any doubt regarding the baby's medication.

In case you have not seen your period either and you're not pregnant, it may be because of various things such as stress, extreme weight loss or gain, hormonal imbalance, thyroid disorder, and PCOS. It is suggested to see a gynecologist to get a clear diagnosis among others.

If you have an extremely itchy sensation in your vagina and painful urination, it is better to see a gynecologist as soon as possible. These signs and symptoms could be from a vaginal infection of UTI, STI, or yeast infection.

It sounds like you have got a UTI which has failed to get rid of after the treatment with the antibiotics. A urologist or gynecologist should be visited to properly identify and treat any issues related to your private parts. 

Frequent urination can be a sign of different medical conditions like a urinary tract infection or prostate enlargement. It is important to see a urologist for a correct diagnosis and treatment.