-cabergoline
-certain medicines for depression, anxiety, or psychotic disturbances
-certain medicines for erectile dysfunction
-certain medicines for migraine headache like almotriptan, eletriptan, frovatriptan, naratriptan, rizatriptan, sumatriptan, zolmitriptan
-dextromethorphan
-linezolid
-lithium
-medicines for diabetes
-other weight loss products
-tramadol
-St. John''s Wort
-stimulant medicines for attention disorders, weight loss, or to stay awake
-tryptophan

They need to know if you have any of these conditions:

-anatomical deformation of the penis, Peyronie''s disease, or history of priapism (painful and prolonged erection)
-diabetes
-heart disease
-history of sickle cell anemia, mulitple myeloma, or leukemia
-history of irregular heartbeat
-kidney disease
-liver disease
-suicidal thoughts, plans, or attempt; a previous suicide attempt by you or a family member
-an unusual or allergic reaction to lorcaserin, other medicines, foods, dyes, or preservatives
-pregnant or trying to get pregnant
-breast-feeding

Visit your health care professional for regular checks on your progress. You may need blood work done while you are taking this medicine.
Do not drive, use machinery, or do anything that needs mental alertness until you know how this medicine affects you.
This medicine may affect blood sugar levels. Ask your healthcare provider if changes in diet or medicines are needed if you have diabetes.
Patients and their families should watch out for new or worsening depression or thoughts of suicide. Also watch out for sudden changes in feelings such as feeling anxious, agitated, panicky, irritable, hostile, aggressive, impulsive, severely restless, overly excited and hyperactive, or not being able to sleep. If this happens, especially at the beginning of treatment or after a change in dose, call your healthcare professional.
Contact your doctor or health care professional right away if you are a man with an erection that lasts longer than 4 hours or if the erection becomes painful. This may be a sign of serious problem and must be treated right away to prevent permanent damage.
Women should inform their health care provider if they wish to become pregnant or think they might be pregnant. Losing weight while pregnant is not advised and may cause harm to the unborn child. Talk to your health care provider for more information.
This medicine may increase your risk of cancer. Talk to your health care professional about risks and benefits.

Keep out of the reach of children. This medicine can be abused. Keep your medicine in a safe place to protect it from theft. Do not share this medicine with anyone. Selling or giving away this medicine is dangerous and against the law.
Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Throw away any unused medicine after the expiration date.