 [ Symptoms ] what are complex migrains i had an incident at work where my right arm went numb i had problem speaking for a few seconds and felt like i might faint i was in the hospital for 5 days undergoing stroke tests i was diagnosed with complex migrains and was told that it produces stroke symptoms what exactly or as close as i can get is a complex migraine and how can i treat it without medication [ Disease ] burns can occur when chemicals are spilled onto the body and generate a reaction that creates heat chemical burns may be classified by their ph or acidity acids are those with ph less than 7 and include common household compounds like acetic acid hydrochloric acid or sulfuric acid bases or alkali compounds have a ph greater than 7 ammonia is a common alkali found in the home