*An off-label use of a medication is a use that is not FDA-approved. Prescribers can decide to use a medication off-label because, in their professional judgment, they believe it may offer a benefit to someone.
Sertraline (Zoloft) is a selective-serotonin reuptake inhibitor (SSRI) used in treating anxiety and depressive disorders. The benefits from sertraline are often noticed 2-4 weeks after starting the medication. However, this time to effectiveness varies for each person. While some individuals may experience improvements earlier, others might take longer and begin noticing effects around 6-8 weeks.
If you’re considering Zoloft as treatment for anxiety, online psychiatry platforms such as Talkiatry and Brightside Health can connect you with a provider quickly. They offer assessments and can provide a prescription if they determine Zoloft or another medication may help your symptoms.
Boxed Warning: Sertraline (Zoloft) – Risk of suicidal thoughts and behaviors in certain people
Sertraline, the active ingredient in Zoloft, has a black box warning. These are the most serious types of warnings from the Food and Drug Administration (FDA). Sertraline can increase the risk of suicidal thoughts and behaviors in children, adolescents, and young adults. Regardless of your age, you should talk with your doctor about serious risks with sertraline and any other medications before starting treatment.
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What is Zoloft?
Zoloft, also known as sertraline, is a commonly used medication for managing mood disorders such as depression and anxiety. Zoloft is a selective serotonin reuptake inhibitor that works by increasing serotonin levels in the brain. Serotonin is a crucial chemical involved in mood regulation.2 Zoloft is FDA-approved for a variety of uses in adults, but it is only FDA-approved in children older than six for the treatment of obsessive-compulsive disorder.
How Does Zoloft Make You Feel?
The effects of Zoloft vary from person to person. Some individuals will experience improvements in their mood with reduction and anxiety and depression within a few weeks of starting the medication. It may also provide a sense of calmness and better emotional stability. Depending on the reasons it is being taken, it may also alleviate symptoms associated with obsessive-compulsive disorder, panic attacks, and post-traumatic stress disorder (PTSD).
Zoloft, like any medication, does have the potential to cause side effects. These side effects can vary in severity. Most common side effects are mild and may resolve over time. However, some side effects can be severe, requiring immediate medical attention.3
Can Zoloft Work Immediately?
Some individuals may notice an improvement in their mood and increased energy soon after starting Zoloft.4 However, Zoloft works by changing the brain’s chemistry over time, and an early response is uncommon. Most individuals will not notice an effect until 2-4 weeks after starting the medication.
Timeline for Zoloft to Work
The timeline for how long it takes Zoloft to work varies for each individual. In most people, it will take around 2-4 weeks for the effects of the medication to be noticed. However, it may take 4-6 weeks to feel the full benefit of Zoloft. In some, it may take even longer, up to 8 weeks, for the medication to start working.
Here is the general timeline for Zoloft to start working:4
- First dose and the first few weeks: During the first few weeks of taking Zoloft, individuals may not notice immediate changes in their mood. However, some early responders might experience some improvements in mood and energy levels.
- By the end of the first two months: By the end of the first two months, most individuals should be experiencing improvements in their mood and a reduction in their mood disorder symptoms.
- Beyond two months: Beyond two months, the benefits of Zoloft should be noticed by most individuals. However, if symptoms persist, it is important to consult with a healthcare provider to discuss adjusting the dose or considering Zoloft alternatives.
How Quickly Does Zoloft Work for Anxiety?
Some studies have shown that Zoloft may help with anxiety symptoms before helping with depressive symptoms.5 However, the time it takes for Zoloft to begin working is dependent on each individual, and responses to the medication may differ.
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Standard Dosage for Zoloft
The starting dose for Zoloft can vary for each individual and is dependent on many factors, including the condition being treated, the severity of the condition, age, and medical history. The typical starting dose of Zoloft is 25-50mg depending on the condition being treated.
Zoloft is FDA-approved in adults for many different mood disorders. FDA-approved means that the U.S. Food and Drug Administration has granted medication approval for specific uses after thoroughly reviewing the drug’s safety and effectiveness.
Zoloft is FDA-approved in adults for the following treatments:
- Major depressive disorder
- Obsessive-compulsive disorder (OCD)
- Panic disorder
- Post-traumatic stress disorder (PTSD)
- Social anxiety disorder
In children above the age of six, Zoloft is only FDA-approved for obsessive-compulsive disorder.
Potential Side Effects of Zoloft
Zoloft can cause various side effects, although not everyone experiences them. These side effects may occur as the body adjusts to the medication and are due to impact on the brain and the rest of the body. Most side effects are mild and may resolve over time. However, some side effects may be serious and require immediate medical attention.
Common Zoloft side effects include*:1
- Nausea
- Vomiting
- Diarrhea
- Dry mouth
- Decreased appetite
- Insomnia
- Dizziness
- Sleepiness
- Fatigue
- Tremor
- Decreased libido
- Erectile dysfunction
- Agitation
Serious side effects of Zoloft that require immediate medical attention include*:
- Anaphylaxis
- Seizure
- Coma
- Hallucinations
- Sustained, painful erections (priapism)
- Difficulty breathing
- Abnormal bleeding or bruising
- Severe muscle stiffness or twitching
- Confusion
*All medications, including Zoloft, can cause side effects which can be mild or serious. This is not a comprehensive list of all possible side effects. You should talk with your doctor about any questions you have and to understand the potential side effects and benefits of any medication.
How Do You Know If Zoloft Is Helping?
When taking Zoloft, an individual may notice beneficial effects over time. These effects may be felt slowly and may not be easy to notice initially. The most common benefits include an overall improvement in mood with reductions in feelings of anxiety and depression. Improvements in anxiety may be noticed before improvements in depression.5
Changes in Mood
As Zoloft begins to take effect, mood changes can be a positive indicator that the medication is helping. Individuals may notice a gradual improvement in their emotional state, with reduced feelings of sadness, anxiety, or irritability. They may also notice a better ability to cope with stress. These positive changes can significantly impact daily life, relationships, and overall well-being.
Improved Sleep Quality
Improved sleep quality can be a promising sign that Zoloft is helping. Individuals may start to notice an improvement in sleep patterns, including falling asleep more easily, staying asleep throughout the night, and waking up feeling more rested. Improved sleep can also lead to further improvements in mood. However, it should be noted that some individuals may experience insomnia when starting the medication, and this side effect typically resolves over time.1
Increased Interest and Enjoyment
Mood disorders can often cause individuals to lack interest in things they once enjoyed. After starting Zoloft, individuals may notice a resurgence of interest in activities they once enjoyed. With the return of enjoyment, individuals may feel more engaged and motivated in social, recreational, or creative pursuits.
Enhanced Concentration and Focus
Mood disorders often negatively impact an individual’s ability to concentrate and focus. Zoloft can help stabilize mood and reduce the symptoms of these mood disorders, making it easier to concentrate on tasks, retain information, and stay attentive throughout the day.
What to Do When Zoloft Isn’t Working
It is important to remember that Zoloft is effective for many individuals. Still, it takes time for the benefits to develop fully. However, some individuals may not notice a significant improvement when starting Zoloft.
If a person has been taking Zoloft for 6-8 weeks without improvement, it is important that they discuss options with their healthcare provider. The medical provider may recommend increasing the dosage of Zoloft or switching to a different medication. It is important to never stop or adjust the dosage of Zoloft until discussing this with a healthcare provider.
Online Psychiatry and Medication Management Covered by Insurance
Talkiatry can match you with a real psychiatrist who takes your insurance and is seeing new patients. They’re in-network with major insurers and offer medication management. Get started with a short online assessment
Questions to Ask Your Healthcare Provider About How Long Zoloft Takes to Work
You may have many questions about the timeline for Zoloft’s effectiveness and what to expect. It is important to have a thorough discussion with your healthcare provider when starting or making changes to your medication. If you are in need of a psychiatrist or therapist, online psychiatry services are a convenient option. These services provide comparable professional care to in-office services.
Questions to ask your care team about how long it may take Zoloft to work:
- How long will it take for Zoloft to work?
- What changes can I expect, and what happens if I don’t notice any changes?
- What common side effects should I look out for?
- What happens if I miss a dose?
- How long will it take for me to adjust to taking Zoloft?
- Am I at risk for more severe symptoms if I am already taking other anxiety /depression medications?
- What is the best dosage to ensure fewer side effects?
- Are there drugs I am taking that could have harmful interactions?
- When should I reach out to you if I am experiencing side effects?
- Are there any lifestyle changes or additional therapies that can help with my symptoms?
- Can Zoloft interact with over-the-counter medications, supplements, or herbal remedies I am currently taking?
- When should I take Zoloft to minimize side effects?
- What should I do if I experience severe side effects?
In My Experience
In my experience, I have found Zoloft to be a highly effective medication for treating mood disorders. Additionally, I have seen friends and other acquaintances personally benefit from the medication leading to significant relief from mood disorder symptoms. I would emphasize that patience is key when taking this medication. As discussed, it may take several weeks before improvements are seen, and the positive effects can come on subtly and gradually over time.
ChoosingTherapy.com strives to provide our readers with mental health content that is accurate and actionable. We have high standards for what can be cited within our articles. Acceptable sources include government agencies, universities and colleges, scholarly journals, industry and professional associations, and other high-integrity sources of mental health journalism. Learn more by reviewing our full editorial policy.
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Drugs@FDA: FDA-Approved Drugs. (n.d.). Drugs@FDA: FDA-Approved Drugs. Retrieved from https://www.accessdata.fda.gov/drugsatfda_docs/label/2023/019839s102,020990s059lbl.pdf
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DailyMed – ZOLOFT- sertraline hydrochloride tablet, film coatedZOLOFT- sertraline hydrochloride solution, concentrate. (2023, January 15). DailyMed – ZOLOFT- Sertraline Hydrochloride Tablet, Film coatedZOLOFT- Sertraline Hydrochloride Solution, Concentrate. Retrieved from https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm
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Sertraline: MedlinePlus Drug Information. (n.d.). Sertraline: MedlinePlus Drug Information. Retrieved from https://medlineplus.gov/druginfo/meds/a697048.html
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Lewis, G., Duffy, L., Ades, A., Amos, R., Araya, R., Brabyn, S., Button, K. S., Churchill, R., Derrick, C., Dowrick, C., Gilbody, S., Fawsitt, C., Hollingworth, W., Jones, V., Kendrick, T., Kessler, D., Kounali, D., Khan, N., Lanham, P., Pervin, J., … Lewis, G. (2019). The clinical effectiveness of sertraline in primary care and the role of depression severity and duration (PANDA): a pragmatic, double-blind, placebo-controlled randomised trial. The lancet. Psychiatry, 6(11), 903–914. Retrieved from https://doi.org/10.1016/S2215-0366(19)30366-9
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Stahl S. M. & Grady M. M. (2017). Stahl’s essential psychopharmacology : prescriber’s guide (Sixth). Cambridge University Press.
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Online psychiatry, sometimes called telepsychiatry, platforms offer medication management by phone, video, or secure messaging for a variety of mental health conditions. In some cases, online psychiatry may be more affordable than seeing an in-person provider. Mental health treatment has expanded to include many online psychiatry and therapy services. With so many choices, it can feel overwhelming to find the one that is right for you.
