Long-Term Effects of Antidepressants

Long-Term Effects of Antidepressants Depression Treatment Medication Print Long-Term Use of Antidepressants What are the risks? By Adrienne Dellwo linkedin Adrienne Dellwo is an experienced journalist who was diagnosed with fibromyalgia and has written extensively on the topic. Learn about our editorial policy Adrienne Dellwo Medically reviewed by Medically reviewed by Grant Hughes, MD on February 04, 2018 Grant Hughes, MD is board-certified in rheumatology and is the head of rheumatology at Seattles Harborview Medical Center. Learn about our Medical Review Board Grant Hughes, MD Updated on February 03, 2020 Depression Overview Types Symptoms Causes & Risk Factors Diagnosis Treatment Coping ADA & Your Rights Depression in Kids In This Article Table of Contents Expand Effects to the Brain Long-Term Effects Weight Gain Blood Sugar & Diabetes Depression View All Verywell / JR Bee Do you worry about the effects of long-term use  of antidepressants? These drugs are among the most commonly prescribed in the United States, and theyre often prescribed for long-term use.?? But is it safe to use antidepressants for years on end? While this class of medications is named after a single condition, the drugs are used to treat a wide variety of illnesses other than major depressive disorder, including: Neuropathy (pain from damaged nerves, including diabetic neuropathy)Generalized anxiety disorder and social anxiety disorderObsessive compulsive disorder (OCD)Bipolar disordersFibromyalgiaMyalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS)Post-traumatic stress disorder (PTSD)Childhood bedwettingPremenstrual syndrome (PMS)BulimiaBinge eating disorder Many of these conditions are chronic or can return if you go off the medication. That means a lot of people take them for years, and that leads to concerns about the long-term side effects. In spite of how popular these drugs are, were just learning what those long-term effects may be. Extended studies are rarely done before a drug gains approval, so medications can be around for a long time before we start to get a clear picture of what can happen after years of continuous use. Fortunately, the body of literature on the long-term use of antidepressants is growing, and were gaining a better understanding of their impact on us. Antidepressants and Your Brain Before delving into the research, lets look at how antidepressants work. Antidepressants come in several forms. The major ones are: TricyclicsMAO inhibitors (MAOIs)Selective serotonin reuptake inhibitors (SSRIs)Serotonin-norepinephrine reuptake inhibitors (SNRIs) In your brain, informationâ€"including emotionâ€"moves from one neuron (brain cell) to another via chemical messengers called neurotransmitters.?? Think of neurotransmitters as mailbox keys. Each one unlocks certain receptors (chemical locks) on neurons in order to allow the message to keep traveling. In the diseases and conditions listed above, as well as many others, something is messed up with the neurotransmittersâ€"usually serotonin and/or norepinephrine, and possibly dopamine and/or a few others.?? It may be that theres just not enough. In some cases, the brain may not use it efficiently, or the problem could lie with the receptors. So theres either no key for the lock, the key isnt used properly, or the lock is broken. Regardless of the specific cause of the problem, the result is the same: neurotransmitter dysregulation.?? The mail isnt getting to the right mailbox, so messages arent being delivered. Antidepressants change how your neurotransmitters function, making more available so that when a message comes along, it can be properly delivered. This is achieved by  slowing down a process called reuptake, which is essentially a clean-up/recycling process.?? Once the messages are flowing more as they should, your brain works better and the symptoms related to the slow-down diminish or go away. However, the brain is a complex environment, and each neurotransmitter has a lot of different jobs. Increasing the available neurotransmitters may have the desired effect of alleviating your depression, lowering your neuropathic pain, or helping you think straight, but it can also lead to all kinds of unwanted effects. The potential side effects of antidepressants are many, and they can range from mildly annoying to debilitating and even  life-threatening. Beyond that, theres the issue of antidepressants becoming less effective over time. As weve learned more about the long-term side effects, some of the top concerns that have emerged have to do with weight gain and diabetes. However, many other side effects can continue long term and can have a negative impact on your quality of life. Long-Term Effects of Antidepressants: What People Say In 2016, the medical journal Patient Preference and Adherence published a paper looking at what people taking antidepressants long-term had to say about the side effects that theyve seen.?? Overall, they did say they were less depressed and had a better quality of life because of the drugs, but about 30 percent still said they had moderate or severe depression. The main side effects they complained about included: Sexual problems (72 percent), including inability to reach orgasm (65 percent)Weight gain (65 percent)Feeling emotionally numb (65 percent)Not feeling like themselves (54 percent)Reduced positive feelings (46 percent)Feeling as if theyre addicted (43 percent)Caring less about other people (36 percent)Feeling suicidal (36 percent) Many of the participants wanted more information about the long-term risks of their medication. About 74 percent of people also mentioned withdrawal symptoms,  and said they needed more information and support about going off of antidepressants. You should never stop taking antidepressants suddenly. Talk to your doctor about the proper way to wean off of them. Some people also noted that theyd had to try multiple antidepressants before finding one that worked well for them and was tolerable. However, more than two-thirds of the people questioned said the medication helped them cope with life. About one-fifth said the antidepressants helped them to function well. Some people also said that if theyd known about the side effects and withdrawal difficulties, they would never have started on the drug at all. What It Means for You Before taking an antidepressant, make sure youre familiar with the possible side effects as well as the proper method of going off of them. Know that you may need to try several drugs before finding the best one for you. While youre on the medication, stay vigilant for side effects and weigh how significant they are versus how much the drug helps you. While you should involve your doctor in any decisions you make regarding antidepressant use, youre the only one who can decide whether the benefits outweigh the drawbacks. Weight Gain A 2015 study in The Journal of Clinical Psychiatry suggests that the long-term risk of weight gain from antidepressants that alter serotonin receptors may be significantly higher in women than in men, possibly due to gender differences in how serotonin is used.?? A 2015 Australian study noted that people on antidepressants tended to gain more than three percent of their body weight each year. Over time, that can really add up. What it Means for You Weight gain can have negative effects on your self-esteem as well as your health. Talk to your doctor about how you may be able to improve your diet and/or increase exercise to help keep those extra pounds from piling up. Blood Sugar Diabetes Several studies have noted what appears to be a link between antidepressant use and problems with blood sugar regulation, including type 2  diabetes.?? A systematic review published in a 2013 edition of the journal Diabetes Care examined this relationship to get a better feel for whats going on. They looked at 22 studies, including a couple with more than 4,000 participants. Heres a look at some of the findings that prompted the review: Antidepressants may worsen blood sugar control because they can cause significant weight gain.SSRIs and nortriptyline reportedly worsen blood sugar control in people with diabetes.Tricyclic antidepressants cause hyperglycemia (high blood sugar levels) in humans.In mice, tricyclic antidepressants cause a condition called hyperinsulinemia, in which the blood contains too much insulin relative to the amount of sugar. The aim of the review was to determine whether antidepressants raise the risk of diabetes in people who didnt have it when they started on the medications. They concluded that yes, some antidepressants affect blood sugar regulation and that the drugs could be a risk factor for diabetes. However, the larger and more recent studies they looked at suggested that the risk was small. They do say, though, that higher doses appear to be linked to a greater risk. Also, in some cases, people who have developed type 2  diabetes while on antidepressants have seen the disease disappear when they went off of the medication. Researchers also note that people who were diagnosed with diabetes were more likely to be prescribed antidepressants, but the relationship there isnt clear. What It Means for You If youre concerned about your diabetes risk or have type 2  diabetes, you may want to talk to your doctor about finding an antidepressant that is less linked to blood sugar problems. You may also want to test your blood sugars more frequently. If you have diabetes, your doctor may want to adjust your diabetes medications while youre on antidepressants to make sure your blood sugar levels are staying in a healthy range. You might also want to focus more on weight loss and exercise, since both of those things play a role in diabetes, and your antidepressant may be causing some weight gain. Can Antidepressants Make You Depressed? Can using antidepressants for too long actually make you depressed? Some studies suggest that it might. Two studies published in 2011, from the same research team, noted that people with supposedly treatment-resistant major depressive disorder, whove been on high doses of antidepressants for a long time, often feel better after weaning off of the medication.?? ?? Because antidepressants can become less effective over time, as you develop a tolerance for them, symptoms can come back down the road; however, this team doesnt believe that can account for all of the people who develop worse depression while taking the drugs. They hypothesize that the drugs may lead to changes in the brain that actually cause depression. In these cases, they proposed the term tardive dysphoria to describe the increase in symptoms. Tardive means that it comes on late in treatment. Dysphoria is a state of depression, dissatisfaction, discomfort, or restlessness. The researchers call for tardive dysphoria to be studied as a potential side effect of antidepressant use and considered as a possible factor in studies of treatment-resistant depression. What It Means for You Research into tardive dysphoria is in the earliest stages. Its easy to jump to conclusions with things like this, but keep in mind that we dont even know for certain that tardive dysphoria is a problem with antidepressants. Be smart and cautious as you make important medical decisions and involve your medical team. If your depression has gotten worse in spite of being on antidepressants, talk to your doctor about tardive dysphoria as well as other possible causes before deciding whether to go off of your medication. Also, remember that you need to wean off of the drugs properly. A Word From Verywell As all drugs do, antidepressants have lists of potential pros and cons. Treatment is a balancing act, with you and your doctor(s) weighing the good against the bad and deciding what the next move should be. Starting a new drug is a big decision, and so is  continuing treatment long-term or opting to discontinue. Make sure youre well informed at every step and getting professional advice. In the end, its all about making you feel better.