Possible side effects Get emergency medical help if you have any of these signs of an allergic reaction: difficulty swelling of your face, lips, tongue, or throat. Other reactions have included genital and anal pruritus, genital moniliasis, vaginitis and vaginal discharge, dizziness, fatigue, headache, agitation, confusion, hallucinations, arthralgia, arthritis, and joint disorder. Cunningham was charged with DUI, violation of the drinking age law, two counts of possession kop keflex of legend drug and one count each of possession of schedule III and IV drugs, according to Bedford County Jail arrest records. Solubility in water is low at room or mg mL may be dissolved readily, but higher concentrations are obtained with increasing difficulty. What are the benefits of using the 750 mg capsules? Keflex 750 mg strength capsules, given twice daily, provide simpler way to deliver 1500 mg total daily dose.