Why does nerve pain continue even after shingles (herpes zoster or kayap) has healed? Learn about postherpetic neuralgia (PHN), its symptoms, causes, recovery time, and treatment options including gabapentin, pregabalin and topical medications. Find out whether the pain will eventually go away and when to seek medical advice.

Shingles (herpes zoster), commonly called kayap in Malaysia, can cause painful blisters and persistent nerve pain. Dr Lim Tzyy Huei explains the early symptoms, antiviral treatment, recovery time, postherpetic neuralgia, when to seek urgent medical attention, and how shingles vaccination can reduce future risks.

Psoriasis is a chronic inflammatory skin condition that causes recurring scaly patches and may affect the scalp, nails and joints. Dr Lim Tzyy Huei explains its causes, common triggers, treatment options including creams, oral medication and biologic injections, and practical ways to reduce flare-ups.

Scabies (kudis buta) is a contagious skin condition that causes intense itching, especially at night. Dr Lim Tzyy Huei explains its symptoms, how it spreads, treatment options including permethrin and ivermectin, why itching may continue after treatment, and how to prevent reinfestation among family members.

Not every pimple-like bump is acne. Rosacea, folliculitis, perioral dermatitis, milia and keratosis pilaris can sometimes look similar but have different causes and treatments. Dr Lim Tzyy Huei explains how to recognise common differences and when a dermatological assessment may be helpful.

Excessively sweaty palms and feet can interfere with writing, work, school and daily activities. Dr Lim Tzyy Huei explains the causes of palmar and plantar hyperhidrosis, treatment options including antiperspirants, iontophoresis, botulinum toxin and oral medications, and what to expect from treatment.

Vitiligo causes white patches on the skin due to loss of natural pigmentation. Learn about its causes, whether the patches will spread, available treatments including tacrolimus, ruxolitinib cream and phototherapy, how long repigmentation takes, and what to expect from long-term management.

Tinea, commonly known as a fungal skin infection or ringworm, can cause itchy, red and scaly rashes that sometimes return after treatment. Learn about the common causes of recurrent fungal infections, available antifungal treatments, why infections keep coming back and practical ways to prevent reinfection.

Folliculitis causes small, inflamed bumps around hair follicles, commonly affecting the back, chest, scalp and buttocks. Learn about bacterial and fungal folliculitis, available treatments, why it keeps recurring and how to prevent future outbreaks.

Painful warts on your feet or toes? Learn about plantar wart treatment options, including salicylic acid and cryotherapy, expected recovery time, reasons for recurrence and practical ways to prevent warts from spreading.

Hidradenitis suppurativa (HS) is more than recurrent boils. Learn about its causes, symptoms, treatment options, emotional impact and ways to reduce flare-ups for better long-term skin health.

Many skin rashes look very similar at first glance. Redness, itchiness, dry skin, scaling, and irritation are common symptoms in both eczema and fungal infections. This similarity often leads to confusion about the actual cause of the rash. People frequently try different creams without success, only to find out later that their condition was misdiagnosed. Many patients become understandably confused when a rash keeps recurring despite trying different creams. Some rashes may