"it has been approximately 3 months and i am down 12 lbs. the side effects are minor and well worth the loss of weight. although the weight loss has been slow, i never felt deprived of food once. i plan to stay on it for a year as i have another 40 lbs to go. this pill definitely decreases my appetite. i have experienced a few headaches and yes, the coughing, but compared to having a heart attack from being overweight, i am fine with that. if you are overweight, i think you should give this medication a try for at least a month or two. also, never felt jittery at all on this. the biggest downside is the cost. i think that is part of the plan - it costs so much that you can&#039;t afford food after paying for it. they offer a $75 off coupon."