Benadryl (diphenhydramine) is an antihistamine that reduces the effects of natural chemical histamine in the body. Histamine can produce symptoms of sneezing, itching, watery eyes, and runny nose. Benadryl is used to treat sneezing, runny nose, watery eyes, hives, skin rash, itching, and other cold or allergy symptoms. Benadryl is also used to treat motion sickness, to induce sleep, and to treat certain symptoms of Parkinson's disease.
Diabetic headaches have several causes. Photo Credit Jupiterimages/Comstock/Getty Images. Diabetes impairs your body's ability to produce or use insulin, which regulates blood glucose levels and generates energy. In type I diabetes, the pancreas does not produce insulin. Without insulin, too much sugar remains in the blood and becomes toxic, leading to fatigue, neuropathy, headaches, blindness and death if left untreated.
Individuals can experience different signs and symptoms of diabetes, and sometimes there may be no signs. Some of the signs commonly experienced include: 1  Frequent urination. 2  Excessive thirst. 3  Increased hunger. 4  Weight loss. 5  Tiredness.6  Lack of interest and concentration.7  A tingling sensation or numbness in the hands or feet.ndividuals can experience different signs and symptoms of diabetes, and sometimes there may be no signs. Some of the signs commonly experienced include: 1  Frequent urination. 2  Excessive thirst. 3  Increased hunger. 4  Weight loss. 5  Tiredness. 6  Lack of interest and concentration. 7  A tingling sensation or numbness in the hands or feet.