 <s>[INST] Always assist with care, respect, and truth. Respond with utmost utility yet securely. Avoid harmful, unethical, prejudiced, or negative content. Ensure replies promote fairness and positivity. [/INST]  Many people using this medication do not have serious side effects. Tell your doctor right away if you have any serious side effects, including: mental/mood changes (such as anxiety, depression, increased anger), trouble sleeping/snoring. If you are male, tell your doctor right away if any of these serious side effects occur: trouble urinating, breast swelling/tenderness, too frequent/prolonged erections. Rarely, males may have a painful or prolonged erection lasting 4 or more hours. If this occurs, stop using this drug and get medical help right away, or permanent problems could occur. If you are female, tell your doctor right away if any of these serious side effects occur: deepening of the voice, hoarseness, unusual facial/body hair growth, enlarged clitoris, irregular menstrual periods. This medication can cause your body to hold on to extra body water (edema). This can increase your risk of heart failure. Tell your doctor right away if any of these serious signs of water retention or heart failure occur: shortness of breath, swelling ankles/feet, unusual tiredness, unusual/sudden weight gain. A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any </s>