Internist Questions Weight gain

How do I gain weight?

I've always been skinny, but since I turned 25, it's out of control and my weight is unhealthy (too low, my doctor says). I've tried everything, protein shakes, fatty foods, weight training. What can be the cause? How can I gain weight?

2 Answers

The first step is to make 100% certain you do not have any condition(like hyperthyroidism, malabsorption, illicit drug abuse, depression/anxiety, or some other GI, inflammatory, malignant, or metabolic disorder) resulting in wt loss or inability to maintain a "normal" weight.

Once this is ruled out, and your condition is perceived to be severe, abnormal, and "life altering", then you might consider talking to your doctor about the pros and cons of taking drugs that MAY help gain weight(ie--anabolic steroids, certain anti-histamines, or even THC--which is not uncommonly given to cancer or very ill AIDS patients with marked weight loss in order to stimulate the appetite and help gain weight(THC--tetra hydro cannabinol--is the consituent of marijuana that can make one "high" and may give one "the munchies."

Obviously, these drugs(with the exception of an anti-histamine like PERIACTIN) are not "mainstream" or commonly used UNLESS there is such a severe, pathological, abnormal amount of weight loss(or inability to gain weight for optimal health) in which the physician and patient concur that the BENEFIT of one of these appetite stimulants significantly outweighs the RISK.

Lastly, it must be considered that some people are just "constitutionally" very thin due to genetic or other reasons but are NOT really ill or unhealthy or diseased in any way. Thus the "thinness" really is a "cosmetic" issue and NOT a "health issue." And thus if it is merely a "cosmetic issue," then the use of any drug with potentionally harmful effects may not be "medically indicated."
You need to see your regular doctor and have blood drawn to rule out type two diabetes, hyperthyroidism which can be the causes of weight loss or difficulty gaining weight