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Bell's palsy

Bell's palsy is a condition that causes a temporary weakness or paralysis of the muscles in the face. It can occur when the nerve that controls your facial muscles becomes inflamed, swollen, or compressed. The condition causes one side of your face to droop or become stiff.

Bell's palsy may be a reaction to a viral infection. It rarely occurs more than once.
Bell's palsy is characterised by muscle weakness that causes one half of the face to droop. Bell's palsy usually resolves on its own within six months. Physiotherapy can help prevent muscles from permanently contracting.
Being sick

Feeling sick (nausea) and being sick (vomiting) are very common if you have pancreatic cancer. This can be because of the cancer, or a side effect of treatment.

Feeling and being sick is unpleasant and distressing. It may also mean that you aren’t properly absorbing medication that you take as tablets. If you are being sick a lot, there is a risk that you could become dehydrated (where your body loses more water than it takes in). Being sick a lot without any improvement (persistent vomiting) is a clear sign that something is wrong, and you may need medical attention in hospital.

Behçet's disease
Behcet's (beh-CHETS) disease, also called Behcet's syndrome, is a rare disorder that causes blood vessel inflammation throughout your body. The disease can lead to numerous signs and symptoms that can seem unrelated at first. They can include mouth sores, eye inflammation, skin rashes and lesions, and genital sores. 
Symptoms include mouth and genital sores, inflamed eyes and rashes.
Steroids, mouthwash and eyedrops can provide relief.
Bedbugs
Bed bugs are insects from the genus Cimex that feed on human blood, usually at night. Their bites can result in a number of health impacts including skin rashes, psychological effects, and allergic symptoms. Bed bug bites may lead to skin changes ranging from invisible to small areas of redness to prominent blisters.
Basal cell carcinoma
Basal cells produce new skin cells as old ones die. Limiting sun exposure can help prevent these cells from becoming cancerous.
This cancer typically appears as a white, waxy lump or a brown, scaly patch on sun-exposed areas, such as the face and neck.
Treatments include prescription creams or surgery to remove the cancer.
Bartholin's cyst

Bartholin's (BAHR-toe-linz) cyst is a fluid-filled lump near the vaginal opening. It's rarely serious, but when infected, it can be painful. The Bartholin's glands are located on each side of the vaginal opening. These glands secrete fluid that helps lubricate the vagina. Sometimes the openings of these glands become obstructed, causing fluid to back up into the gland. The result is relatively painless swelling called a Bartholin's cyst.

 

Barium enema
barium enema is an X-ray exam that can detect changes or abnormalities in the large intestine (colon). The procedure is also called a colon X-ray. An enema is the injection of a liquid into your rectum through a small tube. It involves delivering a contrast solution that contains the metallic element barium into your rectum while a technician takes X-ray images of the area.
Balanitis

Balanitis is an inflammation of the glans, or the head, of the penis, due to infection or another cause. Balanitis can be uncomfortable and sometimes painful, but it is not usually serious. It can be relieved with topical medication.

Symptoms include pain, redness and a foul-smelling discharge from under the foreskin. Treatment depends on the cause, but may require antibiotics, steroid creams or antifungal creams. In extreme cases, the foreskin may need to be removed (circumcision).