Category- Allopathy
Medicine Highlights
| Uses | 1. To control nerve pain caused after herpes 2. To treat restless leg syndrome 3. To control seizures 4. To treat nerve and muscle pains (fibromyalgia) 5. To treat diabetic nerve pain 6. To treat sleep disturbances linked to nerve pain |
| Common Side Effects | 1. Dizziness 2. Sleepiness 3. Headache 4. Tiredness 5. Fluid retention 6. Nausea 7. Blurred vision 8. Dry mouth 9. Weight gain |
| Additional Information | Avoid driving or hazardous activity until you know how gabapentin will affect you. Dizziness or drowsiness can cause falls, accidents, or severe injuries. |
| 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. |
Gabapentin + Methylcobalamin Uses
Gabapentin 300 mg and methylcobalamin 500 mcg are oral combination medicines belonging to the category of GABA analogs and vitamin supplements and are used for the following indications:
- Nerve pain caused after herpes
- Restless leg syndrome
- Diabetic nerve pains
- Seizures
- Musculoskeletal pain (Fibromyalgia)
Gabapentin + Methylcobalamin side effects
More Common
- Dizziness
- Sleepiness and tiredness
- Swelling of hands, legs, or feet
- Trouble with balance or coordination
- Uncontrollable eye movements
- Infection and fever
- Nausea and vomiting
- Aggressive behavior
- Diarrhea
- Loss of hunger
Less Common
- Breathing problems or wheezing
- Racing heart
- Fever or general ill feeling
- Swollen lymph nodes
- Swelling of the face, lips, mouth, tongue, or throat
- Trouble swallowing or throat tightness
- Itching, skin rash, or pale red bumps on the skin called hives
- Nausea or vomiting
- Dizziness, feeling lightheaded, or fainting
- Stomach cramps
- Joint pain
- Suicidal thoughts
- Hallucinations
- Dizziness or confusion
- Blurry vision
- Slurred speech
- Sweating
- Feeling shakiness
How Gabapentin + Methylcobalamin works
Gabapentin and methylcobalamin work by calming overactive nerves and nourishing nerve cells. Gabapentin resembles a natural calming chemical in the brain called GABA, and helps control seizures and nerve pain by attaching to specific points called α2δ subunits on nerve cells. This helps increase calming signals and reduces the effects of glutamate, which is responsible for triggering nerve excitement. By doing this, gabapentin helps settle down brain activity in conditions like epilepsy or nerve-related pain. Methylcobalamin, which is a form of vitamin B12, supports the body’s nerve health by helping cells function better and producing enzymes that keep nerves strong and responsive. Together, they reduce nerve pain, improve nerve repair, and help prevent abnormal nerve signals.
Safety Measures and Warning
Pregnancy
There are no studies stating that gabapentin & methylcobalamine affects the baby directly. But there are animal studies showing that gabapentin affects the baby’s development. Get a recommendation from the doctor before using it
Breastfeeding
Gabapentin and methylcobalamin pass into breast milk and can cause toxicity, so tell your healthcare provider if you are breastfeeding or plan to breastfeed. Your healthcare provider will advise you if you should stop breastfeeding or stop it.
Kidney and Liver Problems
Gabapentin and methylcobalamin are known to be safe for use in liver and kidney disease patients. If you have any serious liver and kidney problems. Consult a doctor before using them.
Past Mental Health Issues
Gabapentin directly acts on the brain and causes different effects like sedation, drowsiness, and suicidal thoughts. inform the doctor about your past mental health issues before using it
Gabapentin + Methylcobalamin Interaction with Food Product
Avoid consuming alcohol and smoking simultaneously as it may affect the drug’s action and show an effect on blood glucose levels.
Gabapentin + Methylcobalamin Interaction with Other Medicines
Avoid taking Gabapentin 300 and methylcobalamine 500 mcg with the following medicines, as it may increase or decrease the desired effect, or in worse cases, it could be fatal:
Gabapentin + Methylcobalamin Chemical Structure
IUPAC (International Union of Pure and Applied Chemistry)/ Chemical name
Gabapentin- 1-(aminomethyl)cyclohexane acetic acid
Methylcobalamine- Coα-[α-(5,6-dimethylbenzimidazolyl)]-Coβ-methylcobamide
Intake routine/cycle
Daily Dose
Take Gabapentin 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
Don’t take more than 900 mg of Gabapentin and 2.5mg of methylcobalamine per day, as it may cause severe overdosing effects like extreme drowsiness, confusion, unconsciousness, sweating, double vision, low blood pressure, and slurred speech. Immediately seek medical attention and provide the patient sufficient care
Storage
- Store the medicine at room temperature
- Keep away from sunlight and moisture
- Keep out of reach of children
Directions for use
- If you forget to take the medicine, take it as soon as you remember, unless it’s almost time for the next one, then just skip it.
- This gabapentin + methylcobalamin should be taken after meals or as advised by your doctor.
- Follow your doctor’s instructions on the dosage and timing of this medication.
- Swallow gabapentin and methylcobalamin with a glass of water. Do not crush, break, or chew it.
Gabapentin + Methylcobalamin Summary
Gabapentin is a GABA analog, which means it has a similar structure to GABA, which is a chemical that calms the nerve signals. It is a medication used mainly to manage nerve-related problems like nerve pain after herpes, diabetic nerve pain, fibromyalgia, and as an additional treatment for seizures in epilepsy. It may also be prescribed by doctors for restless legs syndrome or certain sleep disturbances linked to nerve issues. On the other hand, vitamin B-12, known as methylcobalamine, plays an essential role in red blood cell formation, cell metabolism, nerve function, and the production of DNA, the molecules inside cells that carry genetic information. Common side effects of gabapentin and methylcobalamine include drowsiness, dizziness, fatigue, and unsteady movements; some people may notice swelling in the hands or feet or mild mood changes, loss of hunger (anorexia), diarrhea, headache, nausea, and vomiting.FAQ’s
FAQ’s
What are the side effects of gabapentin 100 mg?
Gabapentin is an analog of the GABA neurotransmitter used to control epilepsy. It has some common side effects like dizziness, drowsiness, infections, aggressive behavior, sleepiness, or tiredness.
What is the gabapentin category?
Gabapentin belongs to the category of GABA analogs, which are used to control seizures and many nerve pains.
Can we use methylcobalamin for nerve pain?
Yes, it is used as a combination medication with gabapentin to support the action of gabapentin to treat nerve pains
What is the methylcobalamin brand name in India?
Methylcobalamin has different brand names that are endorsed by marketing companies, but the salt name remains the same. Many of the brands fail to pass the CDSCO standard quality test, and it’s the time when Saya Care steps in, and we provide the medicine with a quality test report.
Reference
- National Center for Biotechnology Information. PubChem Compound Summary for CID 3446, Gabapentin [Internet]. Bethesda (MD): National Library of Medicine (US); [cited 2025 Jul 7]. Available from.
- Drug Bank Online. Gabapentin (DB00996) [Internet]. Edmonton (AB): DrugBank; [cited 2025 Jul 7]. Available from.
- Mayo Foundation for Medical Education and Research. Gabapentin (Oral Route) Description and Brand Names [Internet]. Rochester (MN): Mayo Clinic; [cited 2025 Jul 7]. Available from.
- WebMD. Gabapentin Oral: Uses, Side Effects, Interactions, Pictures, Warnings & Dosing [Internet]. New York (NY): WebMD LLC; [cited 2025 Jul 7]. Available from.
- Drugs.com. Gabapentin: Uses, Dosage, Side Effects, Warnings [Internet]. [cited 2025 Jul 7]. Available from.
- Mayo Clinic Staff. Vitamin B-12. Mayo Clinic. 2023 [cited 2025 Jul 7]. Available from.
- Drugs.com. Methylcobalamin. Drugs.com. 2024 Nov 19 [cited 2025 Jul 7]. Available from.
Authors
Siva Krishna Adithya Bhumireddy completed a Bachelor of Pharmacy from GIET School of Pharmacy, affiliated with Andhra University, and from his 3rd year of graduation, he was working as a freelance medical and publication writer. Having expertise in systematic reviews and clinical research. With his keen interest and skills in research and documentation practices, he also reviewed more than 150 manuscripts from international journals like Elsevier, Springer Nature, and Sage Journals, and all the manuscripts were indexed and appeared in PubMed, Scopus, and Web of Science databases, and he received honorary recognition letters and certificates from all of them. Siva Krishna Adithya also published a few systematic, narrative reviews and a few chapters of international expertise.