Lybet contains pregabalin, in strengths including 25 mg. It treats nerve pain — diabetic neuropathy, post-shingles pain and sciatica — and is also used for epilepsy and generalised anxiety disorder. It causes drowsiness and dizziness, and must not be stopped abruptly.
What is Lybet?
Lybet contains pregabalin, available in strengths from 25 mg upward. It is a Schedule 5 medicine, and the same ingredient is sold as Lyrica, Nurika and Pregabalin.
Pregabalin binds to a subunit of calcium channels on nerve endings, reducing the release of excitatory neurotransmitters. In practical terms it damps down over-excitable nerve signalling.
That mechanism explains why one medicine treats three apparently unrelated conditions. Nerve pain arises from damaged nerves firing abnormally. Epilepsy involves excessive synchronised nerve firing. Anxiety involves over-activity in circuits governing threat and arousal. All three are problems of excessive nerve excitability, and pregabalin reduces it.
Despite its structural resemblance to GABA, it does not act on GABA receptors — the name is a chemical relic rather than a description of how it works.
Nerve pain behaves differently from ordinary pain, which is why an ordinary painkiller is the wrong tool for it. Paracetamol and anti-inflammatories do relatively little for burning, shooting, electric-shock or pins-and-needles pain from a damaged nerve. Pregabalin, and medicines like amitriptyline, work on the abnormal signalling itself.
25 mg is a low starting strength. Pregabalin is deliberately started low and increased gradually, which limits the dizziness and drowsiness that otherwise make it hard to tolerate.
What is Lybet commonly used for?
- Neuropathic (nerve) pain — diabetic peripheral neuropathy, post-herpetic neuralgia after shingles, sciatica, nerve injury, and pain after surgery involving nerves.
- Fibromyalgia.
- Epilepsy, as add-on treatment for partial seizures.
- Generalised anxiety disorder.
- Central neuropathic pain, including after spinal cord injury.
Two practical points.
Give it time and expect a slow build. Pregabalin is started low and increased over weeks. Judging it after a few days at a starting amount is the commonest reason people conclude it does not work — the early dizziness arrives before the benefit does.
Nerve pain is rarely abolished entirely. A realistic aim is a meaningful reduction — enough to sleep, to work, to move — rather than complete relief. Combining it with physiotherapy, graded activity and, where relevant, better diabetes control usually achieves more than the medicine alone.
How Lybet fits into this medicine category
| Group | Examples | Role |
|---|---|---|
| Gabapentinoids | Pregabalin (Lybet, Lyrica, Nurika), gabapentin | Nerve pain, epilepsy, anxiety |
| Tricyclics | Amitriptyline (Trepiline) | Nerve pain, migraine prevention, depression |
| SNRIs | Duloxetine, venlafaxine | Nerve pain and depression |
| Other anticonvulsants | Lamotrigine, valproate, clobazam (Urbanol) | Epilepsy |
| Simple analgesics and NSAIDs | Paracetamol, ibuprofen | Ordinary pain; poor for nerve pain |
If pregabalin does not suit you, amitriptyline or duloxetine are the usual alternatives for nerve pain — a switch worth discussing rather than giving up. See the mental health and neurology medicines hub.
What to check before using Lybet
Do not drive until you know how it affects you. Dizziness and drowsiness are common, particularly at the start and after each increase.
Do not drink alcohol, which adds substantially to the sedation.
Never stop abruptly, particularly if you take it for epilepsy — withdrawal can trigger seizures.
Tell your prescriber or pharmacist if you:
- Have kidney disease. This matters more than almost anything else here — pregabalin is cleared almost entirely by the kidneys, and the amount must be reduced in kidney impairment. Failing to adjust it causes marked sedation and confusion.
- Have breathing problems — sleep apnoea, COPD, severe asthma.
- Take an opioid such as tramadol or codeine, or a benzodiazepine. Pregabalin combined with opioids increases the risk of serious respiratory depression, and this combination has been associated with deaths.
- Have a history of dependence on any substance.
- Have heart failure.
- Are pregnant, planning pregnancy or breastfeeding.
- Are older, where dizziness, confusion and falls are markedly more likely.
- Have depression or thoughts of self-harm.
- Have diabetes — weight gain on pregabalin may require diabetes treatment to be reviewed.
Follow the dispensing label exactly. This page does not set doses.
Possible cautions and when to ask a pharmacist or doctor
Do not stop abruptly. Withdrawal causes anxiety, insomnia, nausea, sweating, headache and — in people with epilepsy — seizures. Coming off pregabalin is tapered over at least a week, usually longer.
Dependence is now recognised. Pregabalin was initially regarded as carrying little misuse potential; that view has changed, and it is a controlled medicine in South Africa for that reason. Needing more than prescribed, running out early, or using it for its effects rather than the condition are worth raising. This is common and treatable.
Dizziness, drowsiness and unsteadiness are the commonest effects and usually ease as the body adjusts. In older adults they are a genuine falls risk.
Weight gain and swelling of the ankles are frequent with continued use.
Blurred vision occurs in some people and should be reported.
Mood changes and thoughts of self-harm are recognised with antiepileptic medicines. Report low mood or such thoughts promptly.
Review long-term use. For chronic pain, periodically check whether it is still delivering enough benefit to justify continuing.
Seek urgent medical attention for slow, shallow or difficult breathing — particularly if you also take an opioid; extreme drowsiness or difficulty waking someone; a seizure that is new or different; swelling of the face, lips or tongue; a rash that blisters or peels; marked confusion; a fall with injury; or thoughts of self-harm.
Related medicine guides
Frequently asked questions
What is Lybet 25 mg used for? Nerve pain — diabetic neuropathy, post-shingles pain, sciatica — and also epilepsy and generalised anxiety disorder. It contains pregabalin, and 25 mg is a low starting strength.
Is it the same as Lyrica? The active ingredient is the same — pregabalin. The brand differs.
How long before it works? It is started low and increased over weeks. Judging it after a few days at a starting amount is the usual reason people think it failed.
Why is my dose low? Pregabalin is deliberately started low to limit dizziness and drowsiness, then built up gradually.
Can I stop taking it suddenly? No. Withdrawal causes anxiety, insomnia and, in epilepsy, seizures. It must be tapered.
Is it addictive? Dependence is recognised, which is why it is a controlled medicine. Raise it with your doctor if you find yourself needing more.