Yes, one should get the HPV vaccine. It prevents different strains of the virus which causes genital warts and cancers. It is best to consult a gynaecologist or your primary care physician to discuss this and get vaccinated.
 

The lack of periods may be a result of several things, one of which is pregnancy. Should your friend have the pregnancy test kit confirmed it's positive, then it is advisable to consult with the gynecologist. 

Personal care should be sought from a gynecologist or obstetrician in such cases. Incomplete abortion can lead to infections, hemorrhage, or fatality. Medication should not be taken without consulting a doctor. Take a specialist on the spot to prevent your health from worsening.

Lack of a period can result from many causes like childbirth, stress, weight alterations, or medical conditions. Your friend must see a gynecologist to rule out any possible causes. 

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.
 

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. 

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.