Avoid prolonged exposure to sunlight, ultraviolet light (UV) or UV therapy. Consult a health care practitioner if symptoms persist or worsen. Consult a health care practitioner prior to use if you are pregnant or breastfeeding of if you are taking anti-anxiety medications, seizure medications, antihistamines, bronchodilators, muscle relaxants and/or oplates. Do not use if you are taking anti-cancer medications, blood thinners, antidepressant medications (e.g. selective serotonin reuptake inhibitors (SSRI)), anti-HIV agents, cardiovascular medications, immunosuppressants, and/or contraceptive medications. Hypersensitivity, such as allergy, has been known to occur; in which case, discontinue use. Some people may experience mild gastrointestinal disturbances, nausea, restlessness and/or headaches.