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Dear Dr. Roach: What do you know about flesh-eating bacteria? After going to a hospital to get a mole checked, I developed an itchy rash that won鈥檛 go away. I am worried. H.W. Let me reassure you that this isn鈥檛 flesh-eating bacteria.

Dear Dr. Roach: About five years ago, I came down with essential tremor. I have tried many medicines. Currently, I鈥檓 taking propranolol and primidone, but nothing seems to help. The only thing that stops the shaking is a glass of wine.

Dear Dr. Roach: I am 61 years old and in good shape. I have Crohn鈥檚 disease, which makes eating a good diet difficult. Fruit and fresh vegetables go right through me. I can digest a banana.

Dear Dr. Roach: In January 2014, I was diagnosed with a benign neoplasm of my cerebral meninges (meningioma). I am a healthy 64-year-old Caucasian woman. I do not take any medications. The finding was incidental.

Dear Dr. Roach: Last summer I went camping and ran out of clean water. I had to boil water and drink it without any treatment tablets. That evening, I had painful cramps in my stomach, and in my upper abdomen, under my ribcage.

鈥楤ut why must I give you a urine sample?鈥� I asked the receptionist at the marijuana clinic. She replied, 鈥淏ecause we won鈥檛 see you without one, and each time you come back you must give us one. It鈥檚 to make sure you鈥檙e not taking illegal drugs.

Dear Dr. Roach: My dermatologist suggested that I get the HPV vaccine, as it will help my body fight warts of various kinds. I have had plantar warts and warts on my fingers and hands.

Dear Dr. Roach: I am an 84-year-old female with a protruding stomach bulge. My surgeon confirmed that it鈥檚 a hernia, which I got while taking care of my handicapped husband (who recently passed away).

Dear Dr. Roach: I am a 69-year-old white male. I take one 20-mg pravastatin per day to manage my cholesterol. One of the side-effects is joint pain. Are you aware of a substitute that does not have this joint-pain side-effect? H.L.

Dear Dr. Roach : I have a stent, but also a knee replacement, for which I take four 500-mg capsules of amoxicillin each time I go to the dentist, including just for cleaning. This is per my surgeon鈥檚 orders.