Introduction of gabapentin:

Gabapentin 100mg is a prescription medication that was initially developed to treat epilepsy. It is classified as an anticonvulsant or antiepileptic drug. Over time, it has been found to be effective for other conditions, particularly nerve-related pain.

Key Uses:

1. Epilepsy: Gabapentin 100mg helps in controlling seizures by stabilizing electrical activity in the brain.
2. Neuropathic Pain: It is commonly used to treat nerve pain caused by conditions like diabetic neuropathy, postherpetic neuralgia (shingles), and fibromyalgia.
3. Restless Legs Syndrome (RLS): It is sometimes prescribed for this condition, which causes uncomfortable sensations in the legs and an urge to move them.
4. Anxiety Disorders: Though not its primary use, it is occasionally prescribed off-label for anxiety, especially generalized anxiety disorder (GAD).

Mechanism of Action:

Gabapentin 100mg works by affecting calcium channels in the brain, though its exact mechanism in treating conditions like epilepsy and neuropathic pain is not fully understood. It does not affect the brain’s GABA (gamma-aminobutyric acid) receptors directly, despite the similarity in name.

Common Side Effects:

• Drowsiness
• Dizziness
• Fatigue
• Coordination problems
• Swelling in the limbs

Precautions:

• Dependence & Misuse: Gabapentin 100mg has a potential for misuse and dependence, especially when taken in high doses or combined with other sedatives.
• Withdrawal: Abrupt discontinuation of it can cause withdrawal symptoms, including anxiety, insomnia, and nausea.

It is important to take it exactly as prescribed and under a healthcare provider’s supervision, especially since it can interact with other medications.