Fungal infections of the groin, called tinea cruris or jock itch, are also very common - fungus tends to grow well in moist, dark places, such as the skin of the groin. Symptoms of a fungal infection of the groin include redness of the skin, together with severe itching and flaking; there may also be some odor.
According to the results of a number of studies on diclofenac sodium side effects, the most frequently reported are pain in the stomach, diarrhea, constipation, headache, vomiting and nausea, while peptic ulcer, dizziness, unexplained bleeding and anemia occurred as well.
Consequently, the cardiovascular risks of topical diclofenac, even in those with a high baseline risk of disease, should be negligible with the topical forms. The most common adverse reactions reported in Voltaren Gel clinical trials were application site reactions in 7% of treated patients.