Niacin deficiency (pellagra)

  A patient with dementia, dermatitis, and diarrhea. Niacin = Vitamin B3 Isoniazid treatment causes both deficiency of Niacin and Pyridoxine (Vit B6). Watch out for Niacin deficiency in patients on isoniazid.   Folate (vitamin B9) deficiency typically...

Vitiligo

Check Topical tacrolimus 0.1%, applied twice daily, is the first-line therapy for patients with vitiligo affecting less than 20% of the patient’s body. Patients with 20-25% involvement may benefit more from narrowband UVB or oral PUVA therapy. However, patients should...

Gout

Definition: Results from precipitation of monosodium urate crystals in a joint space. Diagnosis -H&P. -Definitive diagnosis: Joint aspiration of synovial fluid, examination under polarized light microscopy to identify negatively birefringent uric acid crystals....