Understanding Blistering Disorders: Are Skin Blisters a Sign of Cancer Metastasis?
Blistering conditions My father has been hospitalized for nearly a month due to diarrhea. After discovering an enlargement in the rectum, a CT scan revealed enlarged arterial lymph nodes, suspected to be a tumor. A colonoscopy was arranged, but only a partial biopsy was taken, wh...
Dr. Zhang Zhibo reply Dermatology
Hello: Bullous diseases are a type of immune system disorder, and there are several possibilities for your condition: (1) Pemphigus vulgaris, which is the most severe form, typically occurs at a younger age and may present with oral ulcers; some cases are associated with tumors. ...[Read More] Understanding Blistering Disorders: Are Skin Blisters a Sign of Cancer Metastasis?
Understanding Blood Accumulation in the Foot: Causes and Treatments
Bruising on the sole of the foot? Due to running, I developed a blood-filled blister approximately 2.2 cm long near the base of my big toe and second toe. It is elongated, contains blood, and is painful when pressure is applied. The ends are slightly swollen. I am unsure how to h...
Dr. Zhang Zhibo reply Dermatology
Hello: Blisters caused by exercise do not require aggressive treatment. If they interfere with walking, you can use a sterilized needle to pop them, but it is best not to handle them on your own. If a wound occurs, cover it with a clean adhesive bandage or gauze. These blisters w...[Read More] Understanding Blood Accumulation in the Foot: Causes and Treatments
Optimal Timing for Taking Ropivacaine: A Dermatology Perspective
The timing for taking Ropinirole? Doctor, is there an optimal time to take Ropinirole? I usually take it at 8 PM; is that okay? Additionally, I am taking some dietary supplements that contain Saw Palmetto and Pumpkin Seed Oil. How long should I space these out from taking Ropinir...
Dr. Zhang Zhibo reply Dermatology
Hello: Many medications are metabolized by the liver and are not recommended to be taken before bedtime. However, some medications need to take effect at night and must be taken before sleep, depending on the purpose. For example, Loperamide is taken once a day; although the dosa...[Read More] Optimal Timing for Taking Ropivacaine: A Dermatology Perspective
Understanding Warts: Transmission, Prevention, and Treatment Options
Wart Hello Doctor: My husband has developed several growths on the soles of his feet, which he refers to as "corns." However, a dermatologist has diagnosed them as "warts." Are warts contagious? If he walks barefoot in certain areas, do those places also pose ...
Dr. Zhang Zhibo reply Dermatology
Hello: Warts are a skin infection caused by the human papillomavirus (HPV) and are contagious. The transmission route is through direct contact, provided that the infected person has a cut or abrasion on their skin. Therefore, wearing the shoes of an infected person poses a risk ...[Read More] Understanding Warts: Transmission, Prevention, and Treatment Options
Effects of Diluted Cleaners on Skin: What You Need to Know
Cleaning agent Hello: If a heavily diluted cleaning agent comes into contact with the skin, what problems could it cause?
Dr. Zhang Zhibo reply Dermatology
Hello: Cleaning agents can cause contact dermatitis. If you must use them, wearing gloves can help prevent this.[Read More] Effects of Diluted Cleaners on Skin: What You Need to Know
Understanding Non-Itchy Red Bumps on Inner Thigh: Allergy Insights
There are several small red bumps on the inner thigh? Hello, Doctor: I have noticed in the past couple of days that there are no visible bumps on the surface of my skin! It feels smooth to the touch, but I can sense a small lump beneath the skin. It is neither itchy nor painful. ...
Dr. Zhang Zhibo reply Dermatology
Hello: If the treatment for a skin disease is ineffective, it is better to perform a biopsy to confirm the diagnosis rather than relying on guesswork![Read More] Understanding Non-Itchy Red Bumps on Inner Thigh: Allergy Insights
Understanding Groin Pimples: Causes and Treatment Options
Groin area acne? Hello, doctor. I've been having pimples in my groin area for over two years. Why do pimples appear in the groin? Are they just regular pimples, or could there be other possible causes? Please help me understand.
Dr. Zhang Zhibo reply Dermatology
Hello: Acne is actually medically referred to as folliculitis, which can be caused by bacterial, fungal, or viral infections. Treatment should be based on the underlying cause to achieve a complete cure. If necessary, a skin biopsy can be performed to determine the cause. Prolong...[Read More] Understanding Groin Pimples: Causes and Treatment Options
Effective Scar Treatment After Circumcision: Tips and Recommendations
I'm sorry, but I need content to translate? Hello, Dr. Zhang. I apologize for the interruption, but I would like to ask about my circumcision that was performed two years ago. The scar from the procedure is still very noticeable. What can I do to reduce the appearance of thi...
Dr. Zhang Zhibo reply Dermatology
Hello: Scars can be either keloids or hypertrophic scars. The best method to manage scars is through destruction and reconstruction. Topical treatments for scars are relatively rare cases. For hyperpigmented scars, various depigmenting agents can be used for treatment. Scars typi...[Read More] Effective Scar Treatment After Circumcision: Tips and Recommendations
Impact of Alcohol in Scalp Products: What You Need to Know
excuse me? Hello Doctor: Due to the high cost of the original product, I am currently using a product with the same active ingredients, which comes in both alcohol-containing and alcohol-free versions. The alcohol-free version is more expensive and is specifically labeled as Alco...
Dr. Zhang Zhibo reply Dermatology
Hello: Local application of alcohol can cause localized vasodilation, and prolonged use may lead to rosacea. Generally, medications that contain alcohol are formulated to dissolve active ingredients to enhance their efficacy. If you could provide the brand name, I can inquire wit...[Read More] Impact of Alcohol in Scalp Products: What You Need to Know
Can Weight Training Affect DHT Levels in Baldness?
Can individuals with baldness engage in strength training? Rovatinex can inhibit type I 5α-reductase, preventing testosterone from being converted into DHT. A senior from the sports team mentioned that exercise can increase testosterone levels, and more fitness training is needed...
Dr. Zhang Zhibo reply Dermatology
Hello: The ingredients of Ropay and Shiyur Tong are different; the former targets type II 5α-reductase and acts as an inhibitor; Avodart (Dutasteride) is an inhibitor of both type I and type II 5α-reductase. The latter has a stronger inhibitory effect on benign prostatic hyperpla...[Read More] Can Weight Training Affect DHT Levels in Baldness?
New Surgical Solution for Overcoming Shyness and Facial Blushing
Blushing! Hello Doctor: Please take your time to read this article! Spain has invented a surgery to treat shyness and blushing. Special correspondent Zhang Jinjian from Spain, July 15, 2008, Source: People's Daily - "Life Times" [Font size: Large, Medium, Small] Pr...
Dr. Zhang Zhibo reply Dermatology
Hello: Flushing can be a symptom of sympathetic nervous system overactivity and can be treated with medication. If it is due to stress or anxiety, anxiolytic medications may be used. If it is rosacea, topical treatments can be applied. The sympathetic nerve block procedure you me...[Read More] New Surgical Solution for Overcoming Shyness and Facial Blushing
Effective Soaking Solutions for Dry Athlete's Foot: Expert Advice
Is there a solution available for soaking Hong Kong foot? Recently, it has been raining continuously, and my athlete's foot has recurred, possibly due to my shoes being damp. I would like to ask Dr. Chang if there are any solutions for soaking athlete's foot. I have dry...
Dr. Zhang Zhibo reply Dermatology
Hello: Topical medications for athlete's foot can be in the form of creams, solutions, or oral medications, depending on the condition and treatment response. Any method that allows for timely and continuous treatment is a good approach. Undecylenic acid is an older medicati...[Read More] Effective Soaking Solutions for Dry Athlete's Foot: Expert Advice
Are Warts and Corns the Same? Understanding Skin Conditions
Are corns and warts the same? I consulted a doctor a few months ago because I developed a small bump on my cheek that resembled a skin tag; it was neither painful nor bothersome. From a distance, it looked like a raised mole. About ten days ago, I visited a dermatology clinic, an...
Dr. Zhang Zhibo reply Dermatology
Hello: Warts are an infection caused by the human papillomavirus, while corns are a type of keratinization disorder. If a physician prescribes a keratolytic medication, they may include this diagnosis in order to prescribe it. Generally, cryotherapy can treat both conditions! App...[Read More] Are Warts and Corns the Same? Understanding Skin Conditions
Dealing with Excessive Foot Sweat: Causes and Solutions
Foot sweat..? My feet sweat easily... It wasn't like this before, but it started this winter... Sometimes, even when I'm not moving, they inexplicably sweat... When I wear shoes, it really smells sour and unpleasant... Which specialist should I see to address this? Also...
Dr. Zhang Zhibo reply Dermatology
Hello: Foot odor is caused by epidermal bacteria breaking down the components of sweat. You can use some topical medications (containing aluminum salts) to reduce sweat production, which can help improve foot odor. Of course, if there are skin conditions (such as athlete's f...[Read More] Dealing with Excessive Foot Sweat: Causes and Solutions
Understanding Red Spots on the Chest: Causes and Treatments
Erythema on the chest Recently, red spots have appeared on my chest. What could this condition be?
Dr. Zhang Zhibo reply Dermatology
Hello: Please describe your problem in detail. There are too many possibilities to provide an answer. It is advisable to consult a nearby physician.[Read More] Understanding Red Spots on the Chest: Causes and Treatments
Understanding Groin Itch: Causes, Treatments, and Concerns
Groin itching Itching in the groin area: The doctor prescribed medication, which I applied. Later, the itching spread to the glans and the foreskin. I would like to ask if the fungus can enter the body? Are there any oral medications available to help treat this?
Dr. Zhang Zhibo reply Dermatology
Hello: Tinea corporis is not easily infectious to the body, unless in patients with immunosuppression who are more susceptible. The situation you described is likely an allergic reaction, and oral antihistamines can be used to treat the itching.[Read More] Understanding Groin Itch: Causes, Treatments, and Concerns
Understanding Black Spots on the Glans: Causes and Treatments
Black spots on the glans? Hello: There are black spots on the glans that look a bit like the remnants of eczema, but they are not itchy or painful at all. Should I be concerned about this? If medication is needed, what should I apply?
Dr. Zhang Zhibo reply Dermatology
Hello: The symptoms you described are known as "post-inflammatory hyperpigmentation." Generally, it tends to fade within a few months. If treatment is desired, topical whitening agents can be used; however, due to their potential for irritation, the concentration should...[Read More] Understanding Black Spots on the Glans: Causes and Treatments
Understanding Seborrheic Dermatitis: Causes and Hair Loss Concerns
Does seborrheic dermatitis cause this phenomenon? Hello Doctor: Last year, I visited a dermatologist and was diagnosed with early-stage androgenetic alopecia and seborrheic dermatitis. The doctor prescribed a topical solution to apply when I experience redness and itching. Now th...
Dr. Zhang Zhibo reply Dermatology
Hello: The medication you mentioned is a topical corticosteroid, which is generally used until the condition is completely resolved before discontinuation. Sometimes, raised tumors may appear (likely seborrheic keratosis, commonly known as age spots). This is not exclusive to the...[Read More] Understanding Seborrheic Dermatitis: Causes and Hair Loss Concerns
Understanding Anal Pain and Bleeding: Possible Causes and Solutions
Anus I just returned from Macau, and recently I've been experiencing pain in my anus during bowel movements, along with a significant amount of blood in my stool. It also hurts when I touch the area, and I'm wondering if this is related to genital warts. This has been g...
Dr. Zhang Zhibo reply Dermatology
Hello: The symptoms you described are more similar to "hemorrhoids," while warts are caused by a viral infection and typically only cause pain if they are large and ulcerated.[Read More] Understanding Anal Pain and Bleeding: Possible Causes and Solutions
Understanding Blisters: Causes, Treatments, and Contagion Concerns
Blister Hello Dr. Chang, I have been experiencing intermittent blisters on my hands and feet for a long time, which become itchy after being popped. A doctor mentioned that it is due to sweat gland obstruction. I have taken medication and applied topical treatments, but the con...
Dr. Zhang Zhibo reply Dermatology
Hello: What you are referring to is likely "dyshidrotic eczema," which is a very itchy skin condition. Some individuals may develop it due to athlete's foot, while others may have an allergic predisposition that triggers it during seasonal changes. The general trea...[Read More] Understanding Blisters: Causes, Treatments, and Contagion Concerns