Category- Allopathy
About Flupirtine 100mg
Flupirtine 100mg tablet is used to treat moderate to severe pain, including muscle pain, joint pain, nerve-related pain, headache, and post-surgical pain. It works by opening potassium channels in nerve cells, which stabilizes nerve activity, reduces pain signals, and also provides muscle relaxation. Common side effects of Flupirtine 100mg tablet include dizziness, drowsiness, fatigue, nausea, and dry mouth.
It should be used only under medical supervision, as doses above 600 mg per day can cause serious toxicity, especially severe liver damage with symptoms like vomiting, confusion, and yellowing of the skin. It is not recommended for people with liver disease, chronic alcohol use, or those taking other liver-affecting drugs, and should be avoided in pregnancy and breastfeeding unless advised by a doctor.
Medicine Highlights
| Uses | 1. To treat moderate to severe pain 2. To treat musculoskeletal pain (muscle and joint pain) 3. To treat headache 4. To treat postoperative pain (pain after surgery) 5. To treat nerve-related pain (neuropathic pain) |
| Common Side Effects | 1. Dizziness 2. Drowsiness 3. Fatigue (tiredness) 4. Nausea 5. Dry mouth 6. Abdominal discomfort 7. Loss of appetite |
| Additional Information | This medicine should only be used under medical supervision. |
| Storage | 1. The medicine should be stored at room temperature. 2. Keep away from sunlight and moisture. 3. Keep away from the reach of children |
| How to Take This Medicine | Take this medicine orally with a sip of water. |
Flupirtine 100mg Uses
Flupirtine 100 mg tablet is used to treat following conditions:
- Moderate to severe pain
- Muscle pain and Joint pain
- Headache
- Postoperative pain
- Neuropathic pain
- Muscle spasm-related pain
Directions for Use
- Take Flupirtine 100 mg exactly as prescribed by your doctor, at the same time each day.
- Do not stop taking Flupirtine 100 mg without your doctor’s approval, even if you feel better.
- If you forget to take Flupirtine 100 mg , take it as soon as you remember. If it’s almost time for your next dose, skip the missed dose.
Flupirtine 100mg Side Effects
More Common
- Dizziness
- Drowsiness
- Fatigue
- Nausea
- Dry mouth
- Loss of appetite
Less Common
- Severe allergic reaction (rash, itching, swelling)
- Liver problems (yellowing of skin or eyes, dark urine)
- Confusion
- Visual disturbances
How Flupirtine 100mg Works
Flupirtine 100 mg tablet works by acting on specific potassium channels in nerve cells, which helps stabilize nerve activity and reduce pain signals. It also indirectly relaxes muscles by reducing excessive nerve stimulation. Unlike typical painkillers, it does not act through inflammation pathways but instead works centrally in the brain and spinal cord to relieve pain and muscle tension.
Safety Measures and Warning
Allergic Reactions
If you are allergic to Flupirtine 100mg, this can cause serious allergic reactions such as skin rash, itching, swelling of the face or throat, breathing difficulty, or severe reactions. Hence, inform your doctor if you have any history of allergy to painkillers before taking this medicine.
Kidney Disease
If you have kidney problems, this medicine may worsen kidney function and reduce urine output. Hence, inform your doctor so the dose can be adjusted or avoided if necessary.
Liver Disease
If you have liver disease, this medicine may affect liver function and cause complications. Hence, inform your doctor before taking it.
Pregnancy
Taking this medicine during the last trimester of pregnancy may harm the unborn baby. Hence, consult your doctor before use.
Flupirtine 100mg Interaction with Food Products
Flupirtine 100 mg tablet should be taken after food to reduce stomach discomfort. Avoid alcohol as it increases the risk of liver damage and side effects like dizziness and drowsiness.
Flupirtine 100mg Interaction with Other Medications
Avoid taking Flupirtine 100mg with the following medicines, as it may increase or decrease the desired effect, or in worse cases, it could be fatal:
Flupirtine 100mg Chemical Structure
IUPAC (International Union of Pure and Applied Chemistry) Name
Flupirtine: ethyl N-[2-amino-6-[(4-fluorophenyl)methylamino]-3-pyridinyl]carbamate
Intake routine/cycle
Daily dose
Take Flupirtine 100mg exactly as your doctor recommends. The dose may change based on your condition and how well you respond. Do not take more than prescribed without consulting your doctor.
Missed Dose
If you forget to take your medicine, take the medication as soon as you remember. If it’s nearly time for your next dose, skip the missed one and continue with your regular schedule. Always consult the doctor before making any changes to your dosage.
Overdose
It is not recommended to take Flupirtine more than 600 mg/day. Taking more than the prescribed dose can cause severe drowsiness, confusion, and serious liver damage. Symptoms may include nausea, vomiting, and yellowing of the skin. Seek immediate medical attention if overdose is suspected.
Storage
- Store the medicine at room temperature
- Keep away from sunlight and moisture
- Keep out of reach of children
FAQ’s
What are the uses of Flupirtine 100 mg?
Flupirtine 100 mg is used to treat moderate to severe pain such as muscle pain, joint pain, nerve-related pain, headache, and pain after surgery. It also helps relieve pain caused by muscle spasms due to its muscle-relaxing effect.
What class of drug Flupirtine 100 mg belongs to?
Flupirtine 100 mg belongs to the class of centrally acting non-opioid analgesics (pain relievers). It is also known as a selective neuronal potassium channel opener.
What are the side effects of Flupirtine 100 mg?
Common side effects of Flupirtine 100 mg include dizziness, drowsiness, fatigue, nausea, dry mouth, and loss of appetite. In some cases, it may cause serious liver problems, with symptoms like yellowing of the skin or eyes, dark urine, and unusual tiredness.
What is the mechanism of action of Flupirtine 100 mg?
Flupirtine 100 mg works by opening potassium channels in nerve cells, which stabilizes nerve activity and reduces pain signal transmission to the brain. It also decreases excessive nerve stimulation, helping in muscle relaxation and pain relief.
Reference
- PubChem. Flupirtine [Internet]. Nih.gov. PubChem; 2026 [cited 2026 Apr 16]. Available from
- Harish S, Bengalorkar G, Bhuvana K, Kumar T. Flupirtine : Clinical pharmacology. Journal of Anaesthesiology Clinical Pharmacology [Internet]. 2012;28(2):172. Available from
- Flupirtine: Uses, Interactions, Mechanism of Action | DrugBank Online [Internet]. Drugbank.com. DrugBank; 2019. Available from
Authors
Pranathi is a final year Pharm D student at Chalapathi Institute of Pharmaceutical Sciences. She loves learning and applying her knowledge in pharmacy and has a passion for writing, which allows her to express ideas clearly and creatively. She enjoys combining her technical skills with her love for writing and communication to make a meaningful impact. Currently she is working on a research paper about “Consanguineous marriages and its impact on children’s health” which will be published by the end of 2025.