Compare Elavil vs. Viibryd

Head-to-head comparisons of medication uses, side effects, ratings, and more.

Elavil
(Amitriptyline)

Viibryd
(Vilazodone)

Improves mood and relieves certain kinds of pain. Elavil (Amitriptyline) is an older antidepressant that's sometimes used to treat pain and sleep problems, but it can have more side effects than similar medications.Treats depression. Viibryd (Vilazodone) is a good option to treat depression, but it often causes stomach and intestinal problems, including diarrhea.
Find lowest prices
Powered by GoodRxSave on your next prescription. Be sure you’re getting the lowest price for your medication, even if you have insurance.
Reviews & ratings
Button Group. All currently active
Button Group. All currently active
4.466101694915254Elavil
Reviews for Elavil (Amitriptyline)
52%
of people say Elavil (Amitriptyline) is worth it
34%
say it works well
23%
say it's a big hassle
Reviews for Viibryd (Vilazodone)
67%
+15% vs. Elavil (Amitriptyline)
59%
+25% vs. Elavil (Amitriptyline)
13%
+10% vs. Elavil (Amitriptyline)
Side effects
ElavilViibryd

The Elavil FDA package insert doesn’t have numbers about how common side effects are.

More about Elavil side effects »
  • Diarrhea 19%
  • Nausea 18%
  • Vomiting 4%
  • Dizziness 4%
  • Sleep difficulty 4%
  • Dry mouth 3%
  • Abnormal dreams 3%
  • Tingling sensation 2%
  • Fatigue 1%
  • Impotence 1%
More Viibryd side effects »
How it works
ElavilViibryd
Elavil (Amitriptyline) is a tricyclic antidepressant (TCA). Researchers don't know exactly how it works. It may change serotonin and norepinephrine activity in the brain, which regulates mood and pain perception. It also has sedative effects.Viibryd (Vilazodone) is an antidepressant that is both a selective serotonin reuptake inhibitor (SSRI) and a serotonin receptor agonist. It treats depression by adjusting the levels of serotonin in your brain.
Type of medication
ElavilViibryd
Antidepressant
Tricyclic antidepressant (TCA)
Prescription only
Antidepressant
Partial serotonin receptor agonist
Prescription only
Available as
ElavilViibryd
  • Pill
  • Pill
Used for (click to learn more)
ElavilViibryd
How well it works for depression
The free Iodine Start program helps people track how well they are improving, and find the right antidepressant faster.
The free Iodine Start program (personal reports and coaching) is currently only for antidepressants. For now, you can read our pharmacist info about this medication.Learn more about Elavil (Amitriptyline)The free Iodine Start program (personal reports and coaching) is currently only for antidepressants. For now, you can read our pharmacist info about this medication.Learn more about Viibryd (Vilazodone)
Risk factors for serious side effects
ElavilViibryd
  • Age 24 years or younger
  • History of bipolar disorder
  • At risk for bipolar disorder
  • History of cardiovascular disease
  • Age 65 years or older
  • Age 65 years or older
Detailed Elavil (Amitriptyline) risks & warnings »
  • Age 18 years or younger
  • Taking Viibryd (Vilazodone) with MAOIs
  • Taking Viibryd (Vilazodone) with Zyvox or methylene blue
  • Taking Viibryd (Vilazodone) with other drugs that increase serotonin
  • Taking Viibryd (Vilazodone) with NSAIDs, warfarin, aspirin, or other drugs that affect clotting
  • Women of childbearing age
  • History of glaucoma
  • History of bipolar disorder (mixed/mania)
Detailed Viibryd (Vilazodone) risks & warnings »
Pregnancy category
ElavilViibryd
CFDA pregnancy category (Weigh risks vs. benefits)

Research studies with animals found harmful effects on unborn babies. It hasn’t been properly studied in humans. The benefits might outweigh the risks even if you’re pregnant. Talk with your doctor.

See the FDA package insert
CFDA pregnancy category (Weigh risks vs. benefits)

Research studies with animals found harmful effects on unborn babies. It hasn’t been properly studied in humans. The benefits might outweigh the risks even if you’re pregnant. Talk with your doctor.

See the FDA package insert
Alcohol
No specific alcohol-related info.
  • Need to avoid drinking alcohol while taking Viibryd (Vilazodone).
Food
No specific food-related info.
  • Take Viibryd (Vilazodone) with food at the same time every day.
Kidneys and liver
No specific kidneys and liver-related info.
  • The dose of Viibryd (Vilazodone) doesn’t need to be changed if you have severe kidney disease.
Sex
No specific sex-related info.
  • Compared to other antidepressants, it has a lower risk of weight gain and causing problems with sexual function.
Sleep
  • Low doses of Elavil (Amitriptyline) start working in 45 minutes to help you sleep better.
  • Can cause dizziness, drowsiness, constipation, and weight gain.
  • In some people, antidepressants like Viibryd (Vilazodone) can trigger a manic episode (increased energy, severe trouble sleeping, racing thoughts, reckless behavior, unusually grand ideas, excessive happiness/ irritability, talking faster or louder than usual). Let your doctor know if you've had any manic episodes in the past or were treated for bipolar disorder before taking Viibryd (Vilazodone).
Weight
  • It's more likely to cause sleepiness, nausea, constipation, diarrhea, and weight gain (1 to 5 pounds) than other antidepressants.
  • Can cause dizziness, drowsiness, constipation, and weight gain.
  • Compared to other antidepressants, it has a lower risk of weight gain and causing problems with sexual function.
Upsides and benefits
ElavilViibryd
  • Low doses work well to treat certain kinds of chronic pain. It can take 2 weeks to feel the full effects of the medication.
  • Low doses of Elavil (Amitriptyline) start working in 45 minutes to help you sleep better.
  • Six out of every ten people who use an antidepressant for the first time find that it works for them.
  • Viibryd (Vilazodone) improves depressive symptoms in people with major depressive disorder.
  • The dose of Viibryd (Vilazodone) doesn’t need to be changed if you have severe kidney disease.
  • Compared to other antidepressants, it has a lower risk of weight gain and causing problems with sexual function.
Downsides and risks
ElavilViibryd
  • When used for depression, Elavil (Amitriptyline) causes more side effects and has a higher risk of overdose than other antidepressants. It's usually used when other medications haven't worked.
  • It's more likely to cause sleepiness, nausea, constipation, diarrhea, and weight gain (1 to 5 pounds) than other antidepressants.
  • People age 65 and older have a higher risk for this medication's side effects.
  • Like most antidepressants, it can cause a higher risk of suicidal thoughts and behavior for people age 24 and younger.
  • The first antidepressant you try doesn't always work or it can cause side effects you really don't like. You might need to try a few different medications until you find one that works for you.
  • You shouldn’t take Viibryd (Vilazodone) if you have severe liver problems.
  • Can’t take Viibryd (Vilazodone) with drugs called monoamine oxidase inhibitors (MAOIs).
  • Need to avoid drinking alcohol while taking Viibryd (Vilazodone).
Tips from our pharmacists for people taking the medication
ElavilViibryd
  • Take at bedtime to avoid some of its side effects.
  • Can cause dizziness, drowsiness, constipation, and weight gain.
  • Stop taking it slowly to avoid getting withdrawal symptoms.
  • Tell your doctor if you notice sudden mood changes or unusual thoughts.
  • Take Viibryd (Vilazodone) with food at the same time every day.
  • Your dose will need to be increased slowly over the first 3 weeks to reduce feelings of upset stomach.
  • It can take 4 to 6 weeks to see the full effects, so continue taking it even if you start to feel better.
  • Stopping Viibryd (Vilazodone) suddenly can cause withdrawal symptoms, including anxiety, irritability, headache, and dizziness. Gradually lower your dose over a 1 to 2 week period before stopping it completely.
  • Call your doctor right away if you notice new or worsening symptoms of aggressive or violent behavior, panic attacks, or other unusual changes in behavior or mood.
Learn more
More about ElavilSide effectsReviews & ratingsAlternativesFDA package insert
More about ViibrydSide effectsReviews & ratingsAlternativesFDA package insert