Those who receive long-term treatment with intravesical DMSO should have liver and renal function tests as well as ophthalmologic evaluationNeuroflexyn performed every six months during treatment. DMSO has been associated with lens changes in animals.Adverse reactions reported in those using DMSO for treatment of interstitial cystitis include garlic-like taste, transient chemical cystitis, bladder spasm, discomfort, allergic reactions and anaphylactoid reactions. Adverse reactions for topical use include garlic-like taste, local dermatitis, nausea, vomiting, headache, burning eyes and sedation. Concomitant use of DMSO and sulindac may cause peripheral neuropathy."http://www.healthcaresup.com/neuro3x-brain-booster-powerful-formula...