Starting a new medication can come with a lot of questions.
How long will it take to work? What might you feel at first? And will you still feel like yourself once you start taking it?
Those are common concerns with SSRIs, a group of antidepressants often prescribed for depression, anxiety and other mental health conditions. They’re widely used and can be very effective, but it helps to know what to expect before you start.
“Taking an SSRI isn’t a sign that you failed to manage your mental health on your own,” says Javeed Sukhera, MD, with Hartford HealthCare’s Behavioral Health Network.
“Medication can be one part of a broader treatment plan that helps you feel more like yourself again.”
Here are six things to know.
1. Medication is only one part of your treatment plan
An SSRI can help reduce symptoms, but medication alone isn’t always the whole answer.
For many people, treatment works best when medication is combined with therapy and other forms of support. Healthy sleep habits, regular movement and stress management can also play an important role in improving mental health.
“Medication can create enough relief for someone to engage more fully in therapy or daily life,” Dr. Sukhera says. “It doesn’t have to do all the work by itself.”
What works best will depend on your symptoms, your goals and what feels manageable for you. Your doctor can help you build a treatment plan that addresses more than just your symptoms.
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2. You may notice improvements before the full benefits kick in
SSRIs don’t usually work overnight, but that doesn’t mean you’ll have to wait weeks to notice any improvement.
Some people begin to notice small changes within the first week or two of treatment. You might find that anxious thoughts feel less intense or that everyday activities are becoming easier to manage. Others may notice improvements in their sleep or start enjoying things again.
“One of the hardest parts of beginning an SSRI is that improvement is rarely immediate,” Dr. Sukhera says. “That delay doesn’t necessarily mean the medication won’t work.”
It can take several weeks to experience the full benefits of an SSRI, and improvement doesn’t always happen all at once.
Those early changes can be subtle, so it helps to look at how you’re doing over time rather than judging the medication based on one good or bad day.
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3. Side effects can be more noticeable at first
Like any medication, SSRIs can cause side effects, particularly during the first few weeks of treatment.
Nausea, headaches, sleep changes, restlessness and sexual side effects are among the more common ones.
Some improve as your body adjusts, while others may last longer or require a change in medication.
“Many side effects appear early and become less noticeable as the body adjusts,” Dr. Sukhera says. “But you should still tell your provider what you’re experiencing rather than assuming you need to tolerate it.”
There’s also an important risk to be aware of when starting treatment. In a small number of patients, particularly children, adolescents and young adults, antidepressants can increase suicidal thoughts or behaviors early in treatment or after a dose change.
That’s why close monitoring during the first few weeks matters. Let your doctor know promptly about worsening depression, unusual mood changes or new suicidal thoughts. If you’re in immediate danger, call 911. You can also call or text 988 for crisis support.
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4. Finding the right medication can take a little time
People can respond differently to the same antidepressant.
One SSRI may work well for someone else but not feel right for you. Another may be a better fit based on your symptoms, how well you’re responding or the side effects you’re experiencing.
“Mental health treatment isn’t one-size-fits-all,” Dr. Sukhera says. “Sometimes finding the right medication requires patience and honest communication.”
Keeping track of changes in your mood, sleep, anxiety and side effects can help your doctor determine whether the medication is working well for you.
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5. SSRIs shouldn’t change your personality, but emotional blunting can happen
A common worry before starting an antidepressant is that it’ll make you feel numb or change who you are.
While that isn’t the goal of treatment, emotional blunting is a recognized side effect of SSRIs and SNRIs, another type of antidepressant. Some people describe feeling emotionally flat, disconnected or less able to experience both positive and negative emotions.
“The goal isn’t to change your personality or make you feel numb,” Dr. Sukhera says. “The goal is to reduce the symptoms that are keeping you from feeling and functioning the way you want to.”
Ideally, treatment should make symptoms like persistent sadness, anxiety or loss of interest more manageable without taking away your normal range of emotions.
If you notice that you don’t feel like yourself, tell your doctor.
Emotional blunting often improves with a lower dose or a switch to another medication, so you don’t have to assume it’s something you need to live with.
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6. You shouldn’t stop taking SSRIs abruptly
If you’re feeling better or your medication isn’t working the way you’d hoped, you might wonder whether you still need to take it. But stopping an SSRI suddenly can cause uncomfortable withdrawal-like symptoms.
Known as antidepressant discontinuation syndrome, these symptoms can include dizziness, flu-like symptoms, anxiety, insomnia and sensations that feel like electric shocks. They can happen when your body adjusts to a sudden drop in medication.
“Stopping an SSRI suddenly can be uncomfortable, even if you’ve been feeling well,” Dr. Sukhera says. “Gradually reducing your dose gives your body time to adjust and can help prevent withdrawal symptoms.”
If you and your doctor decide it’s time to stop taking an SSRI, they’ll typically recommend gradually reducing your dose rather than stopping all at once. This process, called tapering, helps lower your risk of discontinuation symptoms.
And if you’re having side effects or don’t think your medication is helping, talk with your doctor before making any changes to your dose.
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Give yourself time to figure out what works
Starting an SSRI can feel like a big decision, but you don’t have to know exactly how it’ll go from day one.
The most important thing is to keep your doctor updated on how you’re feeling, both physically and emotionally. That gives you the best chance of finding a treatment plan that helps you feel better and fits your life.
