Headache, Dermatology FAQ

Insect bites I would like to consult Dr. Wu. Last Thursday (August 17), I was bitten on the back of my neck by an unknown insect while riding my motorcycle (it was yellow and about 2-3 cm long). I didn't see it clearly and discarded it. Two days later, I started experiencing...

Insect bites? On the evening of June 25th, my left upper arm was bitten by a mosquito. On June 26th, I developed redness and swelling. By June 27th, I started to notice pus, and I applied disinfectant and erythromycin ointment. On June 28th, the area of redness expanded to about ...

Acute urticaria (while taking oral isotretinoin) Hello Doctor: I have a history of acne treatment for over six months, so I recently had blood tests and, after evaluation by my doctor, I started taking oral isotretinoin, along with other oral medications prescribed by my dermatol...

Adverse drug effects Hello, doctor. I would like to ask how long it usually takes for side effects of medications to appear. Recently, I have tried two immunosuppressive drugs. Three months ago, I took methotrexate (MTX) and experienced nausea and vomiting, as well as a mouth ulc...

I've had headaches since I was young whenever I drink milk tea? Dear Doctor, I have been troubled by a problem for a long time. Ever since I was a child, I experience headaches and dizziness whenever I drink milk tea. Initially, my friends suggested that it might be lactos...

Postherpetic neuralgia on the face? Hello, Doctor. I was diagnosed with shingles 15 days ago and took antiviral medication for seven days. My facial blisters have almost healed, so the doctor did not prescribe any more antiviral medication. However, the skin on the right side of ...

Adult chickenpox Hello Doctor, I noticed a fluid-filled bump on my neck while scratching two nights ago, and yesterday I found one on my waist and another on my back. I went to see a doctor in the evening, and although he said the number of lesions was not significant, they appea...

Symptoms associated with pityriasis rosea? I have roseola for about 4 weeks now, but after intense exercise, I feel a low-grade fever, dizziness, and a slight headache the next day. This has happened twice. Is this a normal phenomenon? Thank you.

What is the difference between urticaria and urticarial vasculitis? I have never been allergic to anything, whether it be food, temperature, or other factors, but starting on the evening of August 16, my neck began to itch, and soon after, I developed a rash of hives. I consulted...

Could it be scrub typhus? Recently, a black papule approximately 0.6 to 0.7 cm in size has appeared in the perineal area. The surrounding skin is slightly reddened but there is no itching; however, there is mild pain upon touch (similar to a bruise). The adjacent skin does not fe...

Questions about medication for shingles? Hello Doctor, on Monday I experienced headaches (pain when moving my head, with blackouts) and developed a rash on my back (the rash appeared on 5/5 and is painful). I visited a family medicine clinic, and the doctor diagnosed me with shin...

Repeatedly appearing red spots in different locations on the body that are very itchy? Due to a severe asthma attack that required hospitalization, I was discharged and treated with a large amount of steroids (starting with 12 pills a day and gradually reducing during follow-up v...

I'm not sure what this is. It appeared after engaging in sexual intercourse? I got drunk that day and had sexual relations with a friend. Later, when I went home to sleep, I noticed coin-sized red rashes on the inner thighs and around my buttocks. There were about three of t...

Umbilical inflammation Hello Doctor, about a week ago, I suddenly felt a sharp pain around my navel. Later, I noticed some pus, so I cleaned the white liquid from my navel and applied a topical ointment containing Bacillus Calmette-Guérin and Neomycin. I also took Cephalexin 500 ...

Is it possible for facial shingles to spread to the other side? Before the Lunar New Year, I developed shingles on the left side of my face and saw a doctor, and I took medication. After the New Year, I was left with noticeable red spots on my face. Recently, over the past two da...

Discomfort in the soles of the feet? Hello, Doctor Yang. I often experience a feeling of pressure near my right little toe when walking in certain shoes, accompanied by a tingling sensation. My toe feels like it wants to stretch, and at times, my foot feels weak. When I take off ...

Doctor, I would like to ask you? I started developing small red spots on my hands and feet last week, which look like mosquito bites, and they have been increasing in number. Now, there are some red spots on my hands that have small pustules. I have been taking oral medication, b...

Diet for Preventing Hair Loss and Diabetes? Because my husband is very busy with work and is worried about hair loss, and since there is a family history of diabetes, diabetics should avoid high-cholesterol and high-iodine foods. However, some people suggest consuming liver, egg ...

Purpura Doctor Zhang: Hello, I have several areas of erythema on my arms, waist, and chest. They are not itchy or painful. Could this be related to lupus erythematosus or a sexually transmitted infection? I have heard that tertiary syphilis can present this way. Is that correct? ...

Onychomycosis medication issues? I recently visited a doctor for a nail condition, and they prescribed a medication called Terbinafine tablets. I looked it up online, and it seems to be used for treating onychomycosis (fungal nail infection), which my nails appear to have. I didn...