Several types of medication effectively treat anxiety, and the best choice depends on whether you need daily long-term relief or help managing occasional episodes. The most commonly prescribed options are SSRIs and SNRIs, which are considered first-line treatments. But other medications, from fast-acting sedatives to antihistamines to heart-rate-lowering pills, fill important roles depending on your situation.
SSRIs and SNRIs: The First-Line Options
Selective serotonin reuptake inhibitors (SSRIs) and serotonin-norepinephrine reuptake inhibitors (SNRIs) are the medications most doctors will try first for generalized anxiety disorder. They work by increasing the availability of chemical messengers in the brain that regulate mood and stress responses. The FDA has specifically approved two SSRIs for generalized anxiety: escitalopram (Lexapro) and paroxetine (Paxil). On the SNRI side, venlafaxine (Effexor XR) and duloxetine (Cymbalta) carry the same approval.
These medications aren’t instant. You can expect some improvement within one to four weeks, but the full benefit often takes up to 12 weeks. That waiting period can feel frustrating, especially when anxiety is interfering with daily life. It’s one reason doctors sometimes prescribe a faster-acting medication alongside an SSRI during those first weeks.
Side effects are the main trade-off. In real-world studies, the most commonly reported issues include sexual dysfunction (affecting roughly 56% of users), drowsiness (53%), and weight gain (49%). Dry mouth, insomnia, fatigue, and nausea also occur, though less frequently. Many of these side effects are worst in the first few weeks and ease over time, but sexual dysfunction tends to persist for as long as you take the medication. If one SSRI causes intolerable side effects, switching to another often helps, since individual responses vary significantly between drugs in the same class.
Benzodiazepines for Short-Term Relief
Benzodiazepines, which include well-known names like alprazolam (Xanax), lorazepam (Ativan), and clonazepam (Klonopin), work within minutes to hours rather than weeks. They calm the nervous system quickly, making them useful during acute anxiety episodes or as a bridge while waiting for an SSRI to take effect.
The catch is dependence. Clinical guidelines consistently recommend limiting benzodiazepine use to less than four weeks. Some guidelines allow for up to 8 or 12 weeks in specific cases, but the strong consensus points toward keeping use as brief as possible. When prescribed, the guidance is to use the lowest effective dose on a scheduled basis rather than taking them only as needed. This might seem counterintuitive, but scheduled dosing at low levels appears to reduce the cycle of anxiety spikes and relief that can reinforce dependence.
Stopping benzodiazepines after regular use requires a gradual taper. Abruptly quitting can cause rebound anxiety, insomnia, and in severe cases, seizures. If you’ve been taking them daily for more than a few weeks, work with your prescriber on a plan to slowly reduce the dose.
Buspirone: A Non-Sedating Daily Option
Buspirone occupies a unique space among anxiety medications. It’s not an SSRI, not a sedative, and not habit-forming. It works through a different brain pathway and has been shown in clinical trials to be more effective than placebo for generalized anxiety disorder.
One trial comparing buspirone to the SSRI sertraline in older adults found that buspirone actually worked faster, showing significant improvement at two and four weeks. By eight weeks, the two medications performed similarly. Typical study durations range from two to eight weeks, with most people noticing meaningful changes within that window. Like SSRIs, buspirone is a daily medication, not something you take only when you feel anxious. It won’t help with a panic attack in the moment, but it can lower your baseline anxiety level over time without the sexual side effects or weight gain that SSRIs commonly cause.
Hydroxyzine: An Antihistamine That Calms Anxiety
Hydroxyzine (sold as Vistaril or Atarax) is an antihistamine, the same class of drug found in allergy medications. It also has a calming effect on the nervous system, and it’s frequently prescribed for anxiety because it works relatively quickly and carries no risk of dependence. For adults with anxiety, the typical dose ranges from 50 to 100 mg taken up to four times daily.
The main downside is drowsiness. Because it’s an antihistamine, sedation is almost a given, which makes it more practical for evening use or for people whose anxiety peaks at bedtime. Some prescribers use it as a safer alternative to benzodiazepines for as-needed anxiety relief, particularly for patients with a history of substance use.
Beta-Blockers for Performance Anxiety
If your anxiety is tied to specific situations, like public speaking, presentations, or performing, a beta-blocker called propranolol may be more useful than a daily medication. Propranolol blocks the physical symptoms of the stress response: rapid heartbeat, shaking hands, sweaty palms, and trembling voice. It crosses into the brain and dampens the release of stress chemicals in regions involved in the fight-or-flight response.
Propranolol doesn’t address the mental experience of worry or dread the way an SSRI does. What it does is break the feedback loop where feeling your heart race makes you more anxious, which makes your heart race faster. For many people with performance anxiety, eliminating the physical symptoms is enough to let them function normally. It’s taken before the anxiety-provoking event rather than daily, making it a practical tool for predictable situations.
What About Gabapentin?
Gabapentin (Neurontin) is an anticonvulsant that gets prescribed off-label for anxiety fairly often, but the evidence behind this use is thin. No randomized controlled trials have tested gabapentin as a standalone or add-on treatment for generalized anxiety disorder. The limited research that does exist covers only situational anxiety, such as nervousness before surgery. Early theories suggested gabapentin had direct anti-anxiety properties, but that evidence remains inconclusive. If a prescriber suggests gabapentin for anxiety, it’s worth asking about the reasoning, since better-studied options exist.
SSRIs During Pregnancy
For people who become pregnant while taking anxiety medication, the question of whether to continue is a real concern. The American College of Obstetricians and Gynecologists issued a 2025 statement confirming that robust evidence shows SSRIs are safe in pregnancy and that most do not increase the risk of birth defects. Equally important, untreated anxiety and depression during pregnancy carry their own risks: preterm birth, low birth weight, impaired bonding with the infant, and in severe cases, suicide. Discontinuing SSRIs due to pregnancy also carries risks. The decision is personal and should involve weighing your specific situation, but the option to continue treatment safely exists.
Stopping Anxiety Medication Safely
When it’s time to come off an SSRI, tapering matters. Withdrawal symptoms can include dizziness, nausea, irritability, and a distinctive “brain zap” sensation often described as a brief electrical shock feeling in the head. Standard guidelines recommend tapering over two to four weeks, stepping down to the lowest available dose before stopping entirely. However, research suggests that slower tapers, stretched over months and reduced to doses well below the standard minimum, are significantly more successful at preventing withdrawal symptoms. If you’ve been on an SSRI for a long time or at a higher dose, a longer taper is worth discussing. Rushing the process is one of the most common reasons people feel terrible after stopping and mistakenly believe they can’t live without the medication.