It's possible that the wound from your radiotherapy treatment has not fully healed or that there may be other factors contributing to your symptoms. You should communicate openly with your doctor about your symptoms, concerns, and treatment history, as they will have the best understanding of your problems. 

After an illness, it is normal for our bodies and minds to undergo certain changes as part of the healing process. If you are feeling distressed and unable to sleep consult your doctor and get medications to get well soon.

If you are experiencing pimples on your penis, it is advisable to consult with a urologist or dermatologist, for an accurate diagnosis and appropriate treatment. They can provide personalized advice based on your specific situation.

To help with your frequent indigestion/constipation its important to consult with a gastroenterologist for a proper evaluation and personalized advice. Apart from the treatment you can improve your diet, have more fibre rich foods, stay hydrated, do exercises as it stimulates your bowel movements.

Irregularities in menstrual cycles are common especially during adolescence when hormonal changes are occurring. Also many reasons contribute to missed periods in young girls, it can be stress, changes in weight or exercise patterns, hormonal imbalances, PCOS, thyroid disorders, and certain medications. 

Premature ejaculation is a common concern among many individuals. While medications may be helpful for some people, they may not work for everyone. Consulting a urologist or a sexual health specialist, would be beneficial.

If you have lost immunity to hepatitis B, it means that your body is no longer protected against the hepatitis B virus. Immunity to HBV is typically acquired through vaccination or prior infection.

It sounds like he experienced a severe head injury at a young age, resulting in significant impairments. Given the complexity of your brother's situation, it would be best to seek the expertise of specialists such as pediatric neurologists or neurosurgeons, 

If you're facing severe headache or migraine for more than a week, along with body pain and fever then consult a neurologist as there can be some reason that the doctor can evaluate.

The symptoms you mentioned could be related to a neurological condition. There are many different conditions that can cause problems with movement and speech, so its important to get a proper diagnosis from a neurologist.

These symptoms can be caused by several reasons like allergies, dehydration, lack of sleep, stress, medication side effects. Even medical conditions, such as thyroid problems, anemia, or diabetes could be the reason. Soo its better to get a medical checkup done to find out and get suitable treatment.

Yes this infection usually causes itching around the anus, especially at night. This is caused by ingesting pinworm eggs, which can be found on contaminated surfaces, such as bedding, clothing, or hands. Weight loss, irritability, and trouble sleeping.are its symptoms. However it is best to consult a gastroenterologist to know the exact reason and get treatment accordingly.

Vomitiming blood can be a serious symtpom of some kind of disease. consult a gastroenterologist at the earliest.

Seek help from a neurologist, psychiatrist or psychologist, who specialize in treating anxiety and panic attacks. They can provide you with the necessary support, guidance, and treatment options to manage your symptoms effectively. There are resources available to help youso get good treatment at the earliest.