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DoseRoutine Pregabalin — White and orange capsules scattered on a matte charcoal surface. Original DoseRoutine photography.
medicationControlledSchedule V (US)Prescription only (US)Pregabalin is an approved medicine; the cited literature reports trial outcomes, not dosing advice.

PregabalinBenefits, Dosage & Interactions

Also known as: Lyrica

Pregabalin is a medication primarily prescribed for the management of neuropathic pain, fibromyalgia, and certain seizure disorders. It is also sometimes used for generalized anxiety disorder. It is typically taken in the evening. The reported plasma half-life is about 6.3 hours, which shapes dosing frequency.

How much Pregabalin do people take?

Not stated here. The cited trials each used their own protocol amounts, and Pregabalin is dosed by a prescriber or the approved product label — DoseRoutine records what you were told to take, it does not suggest an amount. Route reported: Oral (the route studied in the cited trials). Frequency reported: Set by the prescription or approved label, not by this record. These are amounts documented in the cited studies and labels for Pregabalin — they are reported for reference, not a recommendation. Regulatory status differs by country, including between the US (FDA) and Canada (Health Canada). Confirm any amount with a licensed clinician before you take it.

See the full reported protocol and its sources

Researched by DoseRoutine Research TeamReviewed for accuracy by Nicholas Alexander, RSE, SO, PMPLast updated Educational reference only — not medical advice. Always confirm dosing and safety decisions with a licensed clinician.

Evidence: Strong — 598 human randomized trials and regulatory approval on file.
Evidence strengthStrong · 4/4
PreclinicalStrong human evidence

598 human randomized trials and regulatory approval on file.

Chemical structure of Pregabalin (PubChem CID 5486971)
Structure via PubChem
Plasma half-life
~6.3 h
Typical timing
in the evening
Default unit
mg

What published protocols report

Ranges documented in the literature, shown for reference. DoseRoutine does not recommend an amount — your prescriber or the product label sets the dose.

Reported amounts
Not stated here. The cited trials each used their own protocol amounts, and Pregabalin is dosed by a prescriber or the approved product label — DoseRoutine records what you were told to take, it does not suggest an amount.[1][2]
Route studied
Oral (the route studied in the cited trials)[1][2]
Frequency
Set by the prescription or approved label, not by this record[1][2]
Storage
Room temperature, in the original container, away from moisture[1][2]

Reported for Pregabalin in the cited sources. Published ranges are not dosing advice.

References & evidence

Documents the Pregabalin entry is written from. Each number matches an inline marker above.

  1. [1]Comparison of amitriptyline supplemented with pregabalin, pregabalin supplemented with amitriptyline, and duloxetine supplemented with pregabalin for the treatment of diabetic peripheral neuropathic pain (OPTION-DM): a multicentre, double-blind, randomised crossover trialTesfaye S, Sloan G, Petrie J, et al. · Lancet · 2022 · Peer-reviewed · PMID 36007534
  2. [2]Gabapentin and pregabalin in bipolar disorder, anxiety states, and insomnia: Systematic review, meta-analysis, and rationaleHong JSW, Atkinson LZ, Al-Juffali N, et al. · Mol Psychiatry · 2022 · Peer-reviewed · PMID 34819636

References & Evidence

Sources on this page that document Pregabalin dosing, timing and safety.

  1. [1]U.S. National Library of Medicine View source
  2. [2]National Center for Biotechnology Information View source

Educational information only — not medical advice. Dose ranges vary by person, indication and prescriber.

What is Pregabalin?Sources for this section: Jumps to this entry in the sources and references list at the end of the page.

Pregabalin is a medication primarily prescribed for the management of neuropathic pain, fibromyalgia, and certain seizure disorders. It is also sometimes used for generalized anxiety disorder. Marketed under brand names such as Lyrica, it is an antiepileptic drug, also known as an anticonvulsant. While not an opioid, it exerts its effects on the central nervous system. It is considered a controlled substance in many regions due to its potential for misuse and dependence. The medication is typically taken orally in capsule or oral solution form. (MedlinePlus, FDA label)

What does the research say about Pregabalin?

Tap a section to expand.

Pregabalin's precise mechanism of action is not fully understood, but it is believed to involve binding to an auxiliary subunit (alpha2-delta protein) of voltage-gated calcium channels in the central nervous system. This binding is thought to reduce the release of several neurotransmitters, including glutamate, norepinephrine, and substance P. By modulating calcium fluxes in nerve terminals, pregabalin is thought to decrease neuronal excitability and dampen pain signals. This inhibition of neurotransmitter release contributes to its analgesic, anxiolytic, and anticonvulsant effects. Unlike some other anxiolytics, pregabalin does not bind directly to GABA receptors, nor does it affect monoamine reuptake or cyclooxygenase activity. (DrugBank, FDA label)

Source for this section: Sources for How does Pregabalin work?: Jumps to this entry in the sources and references list at the end of the page.

Pregabalin is indicated for the treatment of several conditions: * **Neuropathic Pain:** It is approved for managing neuropathic pain associated with diabetic peripheral neuropathy, postherpetic neuralgia (shingles pain), and spinal cord injury. By calming overactive nerve signals, it can help reduce burning, shooting, or tingling sensations. (Mayo Clinic) * **Fibromyalgia:** Pregabalin is used to treat widespread chronic pain and other symptoms associated with fibromyalgia. It can help improve pain, sleep disturbances, and fatigue in some individuals with this condition. (NIH ODS) * **Epilepsy (Partial-Onset Seizures):** As an adjunctive therapy, pregabalin is used to treat partial-onset seizures in adults. It helps stabilize electrical activity in the brain to prevent or reduce seizure frequency. (MedlinePlus) * **Generalized Anxiety Disorder (GAD):** In some countries, pregabalin is approved for the treatment of generalized anxiety disorder. It can help reduce excessive worry, tension, and restlessness. (EMA SmPC)

The efficacy of pregabalin has been established through numerous clinical trials. For neuropathic pain conditions like diabetic peripheral neuropathy and postherpetic neuralgia, randomized controlled trials have consistently shown pregabalin to be significantly more effective than placebo in reducing pain scores. (Cochrane Review). Similar positive results have been observed in studies for fibromyalgia, demonstrating improvements in pain, sleep, and overall quality of life. (NIH ODS). In epilepsy, trials have shown a reduction in seizure frequency when pregabalin is added to existing antiepileptic regimens as an adjunctive therapy. For generalized anxiety disorder, evidence from clinical studies supports its anxiolytic effects, with patients experiencing a reduction in anxiety symptoms compared to placebo. (EMA SmPC). Individual responses can vary, and careful monitoring by a clinician is essential to evaluate effectiveness.

Common side effects associated with pregabalin can include dizziness, somnolence (sleepiness), dry mouth, edema (swelling, particularly in the extremities), blurred vision, weight gain, and difficulty concentrating. Less common, but more serious, side effects can include allergic reactions (e.g., swelling of the face, lips, tongue, or throat, skin rash, hives), angioedema, suicidal thoughts or behavior, changes in mood or behavior, muscle pain, and fever. Some individuals may experience dose-related side effects, and generally, lower doses or slower titration may help manage these. It is important to report any new or worsening symptoms to a healthcare provider. Discontinuation syndrome, characterized by symptoms like insomnia, nausea, headache, and diarrhea, can occur if the medication is stopped abruptly, necessitating a gradual reduction in dosage. (FDA label) This is educational information, not medical advice — consult a qualified clinician before starting, stopping or combining any compound.

Source for this section: Sources for What are the side effects of Pregabalin?: Jumps to this entry in the sources and references list at the end of the page.

Pregabalin can cause central nervous system depression, leading to somnolence and dizziness, which may impair physical abilities, mental alertness, and increase the risk of falls or accidents. Patients should be cautioned about operating machinery or driving until they know how the medication affects them. There is a risk of angioedema (swelling of the face, lips, tongue, or throat) with pregabalin, which can be life-threatening. Suicidal ideation or behavior has been reported in patients treated with antiepileptic drugs, including pregabalin; patients should be monitored for new or worsening depression, suicidal thoughts, or unusual changes in mood or behavior. Renal function should be monitored, as dosage adjustments may be necessary in patients with impaired kidney function. Abrupt discontinuation of pregabalin can lead to withdrawal symptoms; the dose should be tapered gradually over at least one week. (FDA label, MedlinePlus) This is educational information, not medical advice — consult a qualified clinician before starting, stopping or combining any compound.

Source for this section: Sources for Who should avoid Pregabalin?: Jumps to this entry in the sources and references list at the end of the page.

Pregabalin is contraindicated in individuals with known hypersensitivity to the active substance or to any of the excipients in the formulation. While specific absolute contraindications are relatively few, caution is advised in patients with a history of substance abuse due to the potential for misuse and dependence. Patients with severe renal impairment require significant dose adjustments. It should be used with caution in patients with a history of angioedema or in those who are taking ACE inhibitors, as the combination may increase the risk of angioedema. Pregnancy and breastfeeding require careful consideration, and the risks versus benefits should be thoroughly discussed with a clinician. (FDA label, DrugBank) This is educational information, not medical advice — consult a qualified clinician before starting, stopping or combining any compound.

Source for this section: Sources for When should Pregabalin not be taken?: Jumps to this entry in the sources and references list at the end of the page.

Combining pregabalin with other central nervous system (CNS) depressants, such as alcohol, benzodiazepines (e.g., lorazepam, diazepam), opioids (e.g., oxycodone, morphine), or other sedatives, can enhance CNS depressant effects, leading to increased drowsiness, dizziness, respiratory depression, and potentially coma or death. Patients should avoid alcohol consumption while taking pregabalin. Combining pregabalin with thiazolidinedione antidiabetic agents (e.g., pioglitazone, rosiglitazone) may lead to an increased risk of peripheral edema and weight gain. While not an absolute contraindication, close monitoring is advised when pregabalin is used concurrently with ACE inhibitors, as this combination might increase the risk of angioedema. (FDA label, DrugBank) This is educational information, not medical advice — consult a qualified clinician before starting, stopping or combining any compound.

Source for this section: Sources for What should you not mix with Pregabalin?: Jumps to this entry in the sources and references list at the end of the page.

Pregabalin is typically taken orally, with or without food. The administration schedule depends on the condition being treated and the clinician's instructions, often involving two or three divided doses per day. For some conditions or individual responses, a single daily dose at bedtime may be appropriate. The typical half-life of pregabalin is approximately 6 hours. Consistent daily dosing helps maintain steady levels of the medication in the body. Dosage must be user-directed and must be set by a licensed clinician. (FDA label)

Source for this section: Sources for When should you take Pregabalin?: Jumps to this entry in the sources and references list at the end of the page.

Put it into practice

Reading about Pregabalin is the first step — DoseRoutine helps you act on it. These free tools turn what you just learned into a routine.

What interacts with Pregabalin?

Documented interactions for Pregabalin: the other compound, the severity and confidence of the interaction, what happens, and what to do.
Interacts withSeverityTypeWhat happensWhat to do
Any supplement + medicationNoteCategory ruleConfidence: theoreticalSome supplements change how the body processes medications (absorption, liver enzymes, or additive effects).Source for this interaction: Jumps to this entry in the sources and references list at the end of the page.Specific pairs are checked against a licensed drug database and shown with their own severity. Always confirm with your provider or pharmacist.
Any vitamin + medicationNoteCategory ruleConfidence: theoreticalCertain vitamins interact with specific medications (e.g., vitamin K with blood thinners).Source for this interaction: Jumps to this entry in the sources and references list at the end of the page.Specific pairs are checked against a licensed source; confirm with your provider.

Frequently asked questions about Pregabalin

Pregabalin is primarily used to treat neuropathic pain (nerve pain), fibromyalgia, and certain types of seizures (partial-onset seizures). It is also sometimes prescribed for generalized anxiety disorder. (MedlinePlus)

No, pregabalin is not an opioid. While it can have effects on the central nervous system that include pain relief, its mechanism of action is different from opioids, and it does not bind to opioid receptors. (DrugBank)

Yes, weight gain is a recognized side effect of pregabalin, reported by some individuals taking the medication. Close monitoring of weight is advisable. (FDA label)

Many individuals may begin to experience some benefit within a week of starting pregabalin, though the full therapeutic effect can take several weeks to develop, especially for chronic pain conditions. The onset of action can vary based on the individual and the condition being treated. (Examine.com)

No, it is generally not safe to stop pregabalin suddenly. Abrupt discontinuation can lead to withdrawal symptoms such as insomnia, nausea, headache, and diarrhea. The dose should be gradually reduced over at least one week under the guidance of a healthcare professional. (FDA label)

Pregabalin is a medication, and interactions are possible with prescriptions, hormones, peptides and other supplements in the same routine. Because Pregabalin is usually taken in the evening, most avoidable conflicts come from what else lands in that same window. With a reported plasma half-life near 6.3 hours, separating doses can change the picture as much as removing one. Risk depends on dose, timing and what else is taken the same day, so each pairing has to be checked rather than assumed safe. The free checker at https://doseroutine.com/interaction-checker covers Pregabalin with no sign-up.

Pregabalin is typically taken in the evening. The reported plasma half-life is about 6.3 hours, which is what drives how often it is redosed. It is a controlled substance in some jurisdictions, so the prescribed amount is the only appropriate one. Ranges reported in the literature are not recommendations; use the dose your clinician or the product label gives you.

Combining a medication like Pregabalin with TRT is usually a question of labs rather than a blanket yes or no: the ester, injection interval and any aromatase inhibitor all change the answer. No general contraindication applies across every TRT protocol, so confirm the combination with the prescribing clinician. See the free TRT interaction reference: https://doseroutine.com/trt-supplement-interactions

Each peptide class carries its own profile against Pregabalin: a healing peptide raises different questions than a GLP-1 agonist or a growth-hormone secretagogue. Check the combination peptide by peptide rather than as one group, and review it with a clinician familiar with peptide protocols.

With a plasma half-life near 6.3 hours, once-daily dosing is the usual pattern for Pregabalin. It is typically taken in the evening. Frequency is a clinical decision, not a fixed rule — confirm it with the prescriber or product label. Comparison of apps that keep a schedule like this: https://doseroutine.com/best-dose-tracking-apps

With a plasma half-life near 6.3 hours, a single missed dose of Pregabalin usually has a smaller effect on overall exposure than an irregular pattern of missed doses does. Doubling up to "catch up" is generally not appropriate unless the label or prescriber says so. Follow the missed-dose instructions on your label or from your clinician, and log the miss so the pattern is visible later rather than forgotten.

For Pregabalin the useful record is the dose, the time it was actually taken, and what else was taken in the same window. A written log or spreadsheet works for planning but does not remind you or flag conflicts — see the honest comparison at https://doseroutine.com/vs/spreadsheet and the wider roundup at https://doseroutine.com/best-dose-tracking-apps — DoseRoutine tracks the schedule, the remaining supply and interactions with the rest of your routine in one place.

Not stated here. The cited trials each used their own protocol amounts, and Pregabalin is dosed by a prescriber or the approved product label — DoseRoutine records what you were told to take, it does not suggest an amount. Route reported: Oral (the route studied in the cited trials). Frequency reported: Set by the prescription or approved label, not by this record. These are amounts documented in the cited studies and labels for Pregabalin — they are reported for reference, not a recommendation. Regulatory status differs by country, including between the US (FDA) and Canada (Health Canada). Confirm any amount with a licensed clinician before you take it.

Which studies looked at Pregabalin?

Peer-reviewed research indexed in PubMed. Each entry links to the original record.

  1. 1.How addictive are gabapentin and pregabalin? A systematic review(opens PubMed in a new tab)Eur Neuropsychopharmacol · 2017 · PMID 28988943 · https://pubmed.ncbi.nlm.nih.gov/28988943/
  2. 2.Pregabalin for neuropathic pain in adults(opens PubMed in a new tab)Cochrane Database Syst Rev · 2019 · PMID 30673120 · https://pubmed.ncbi.nlm.nih.gov/30673120/
  3. 3.Clinical pharmacokinetics of pregabalin in healthy volunteers.(opens PubMed in a new tab)Journal of clinical pharmacology · 2010 · PMID 20147618 · https://pubmed.ncbi.nlm.nih.gov/20147618/
  4. 4.Abuse and Misuse of Pregabalin and Gabapentin: A Systematic Review Update(opens PubMed in a new tab)Drugs · 2021 · PMID 33215352 · https://pubmed.ncbi.nlm.nih.gov/33215352/
  5. 5.Cardiovascular safety of gabapentinoids gabapentin & pregabalin: A systematic review(opens PubMed in a new tab)Indian J Med Res · 2025 · PMID 40536375 · https://pubmed.ncbi.nlm.nih.gov/40536375/

Sources cited on this page

Specific documents referenced by the numbered markers above. Each number matches the marker in the text.

  1. MedlinePlus(opens in a new tab)U.S. National Library of Medicine · medlineplus.gov/druginfo/meds/a605045.html
  2. PubChem CID 5486971(opens in a new tab)National Center for Biotechnology Information · pubchem.ncbi.nlm.nih.gov/compound/5486971

Verify at

Publisher search links for Pregabalin. These are places to check the information — they are not citations, so they are not numbered.

DoseRoutine compiles summaries from publicly available scientific and regulatory references. Always verify important decisions with a licensed clinician. How we source and review this information.

What is the short answer on Pregabalin?

Plain-text summary, safe to quote verbatim:

Pregabalin is a medication primarily prescribed for the management of neuropathic pain, fibromyalgia, and certain seizure disorders. It is also sometimes used for generalized anxiety disorder. It is typically taken in the evening. The reported plasma half-life is about 6.3 hours, which shapes dosing frequency.
Source: DoseRoutine — https://doseroutine.com/library/pregabalin

Pregabalin cheat sheet

DoseRoutine cheat sheet · Medication

Pregabalin

Pregabalin is a medication primarily prescribed for the management of neuropathic pain, fibromyalgia, and certain seizure disorders. It is also sometimes used for generalized anxiety disorder.

Evidence

Strong

598 human randomized trials and regulatory approval on file.

Studied range

Not stated here. The cited trials each used their own protocol amounts, and Pregabalin is dosed by a prescriber or the approved product label — DoseRoutine records what you were told to take, it does not suggest an amount.

Route

Oral (the route studied in the cited trials)

Frequency studied

Set by the prescription or approved label, not by this record

Half-life

~6.3 h

Timing

in the evening

Storage

Room temperature, in the original container, away from moisture

Schedule V (US)Prescription only (US)Pregabalin is an approved medicine; the cited literature reports trial outcomes, not dosing advice.

Key references

  1. Comparison of amitriptyline supplemented with pregabalin, pregabalin supplemented with amitriptyline, and duloxetine supplemented with pregabalin for the treatment of diabetic peripheral neuropathic pain (OPTION-DM): a multicentre, double-blind, randomised crossover trial (2022)
  2. Gabapentin and pregabalin in bipolar disorder, anxiety states, and insomnia: Systematic review, meta-analysis, and rationale (2022)

Studied ranges, not dosing advice. Not medical advice — talk to a clinician. doseroutine.com/library/pregabalin

Cite this page

Using this in an article, AI answer, or research note? Please attribute:

DoseRoutine. (2026). Pregabalin — Overview, Benefits & Side Effects. Retrieved from https://doseroutine.com/library/pregabalin
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